2012 Mercedes-benz GL Class Owners Manual

warning lamp is lit. G WARNING The belt buckle tensioners on the front seats only function if the belt buckles can be pulled down unobstructed. They must not be restricted in any way. Therefore, do not grab the belt buckles and do not place any objects under the belt buckles. Otherwise, the tensioning of the belt by the buckle is restricted or will not function, and will not provide any additional protection. G WARNING Pyrotechnical ETDs/belt buckle tensioners that were activated must be replaced. For your safety, when disposing of the pyrotechnic ETDs/belt buckle tensioners always follow our safety instructions. These instructions are available from any authorized Mercedes-Benz Center. The PRE-SAFE® system is equipped with electrically reversible pre-tensioners that do not need replacing after deployment.

! If the front-passenger seat is not

occupied, do not engage the seat belt tongue in the buckle on the front- passenger seat. Otherwise, the Emergency Tensioning Device/belt buckle tensioner

could be triggered in the event of an accident.

Children in the vehicle Child restraint systems Important safety notes We recommend that all infants and children be properly secured in an infant or child restraint system at all times while the vehicle is in motion. The use of seat belts and infant and child restraint systems is required by law in all 50
states, the District of Columbia, the U.S. territories and all Canadian provinces. Infants and children must always be seated in an appropriate infant or child restraint system recommended for the size and weight of the child. The infant or child restraint system must be properly secured in accordance with the manufacturer's instructions. All infant or child restraint systems must meet U.S. Federal Motor Vehicle Safety Standards 213
and 225 and Canadian Motor Vehicle Safety Standards 213 and 210.2. An information label on the child restraint system indicates whether it meets these standards. This information is also provided in the installation instructions supplied with the child restraint system. Always read and follow the manufacturer's instructions when using an infant or child restraint system or booster seat. Observe all warning signs in the vehicle interior and on the infant or child restraint. G WARNING Accident statistics show that children secured in the rear seats are safer than children secured in the front-passenger seat. For this reason, we strongly advise that you always secure children in the rear seats. Regardless of the seat position, children under 12 years must be secured correctly in a suitable infant or child restraint system or

Children in the vehicle

61

booster seat suitable for the size and weight of the child. The infant or child restraint system must be correctly secured using the vehicle's seat belt, the seat belt and Top Tether belt or the lower anchorages and the Top Tether belt in complete accordance with the child seat manufacturer's instructions. Occupants, in particular children, must sit as upright as possible, fasten the seat belt correctly and use a suitable infant restraint system, child restraint system or booster seat suitable for the size and weight of the child. Children can be seriously or even fatally injured by an air bag deploying. Observe the following important information if it is absolutely necessary to carry a child on the front-passenger seat: RUSA only: Your vehicle is equipped with air

bag technology that is designed to deactivate the front-passenger front air bag, when the system on the front- passenger seat detects the weight of a typical 12-month old child in a standard child restraint.

RUSA only: For children that weigh more

than a typical 12-month old child, the front- passenger front air bag can be activated or deactivated. Always make sure that the 42 indicator lamp is illuminated indicating that the front- passenger front air bag is deactivated. RCanada only: Children 12 years old and

under may ride on the front seat if a BabySmart™ compatible child restraint system is installed on the front-passenger seat. Use only Mercedes-Benz approved BabySmart™ compatible child restraint systems. A BabySmart™ compatible child restraint system will deactivate the front- passenger front air bag when installed correctly. The front-passenger front air bag will not be deactivated if the child restraint systems that are installed are not BabySmart™ compatible or if BabySmart™ compatible child restraint systems are not

62

Children in the vehicle

installed correctly. If the front-passenger front air bag is deployed in a collision, the child could be struck by the air bag. This could lead to serious or fatal injury.

RA child in a rear-facing child restraint on the

front-passenger seat will be seriously injured or even killed if the front-passenger front air bag inflates in a collision which could occur under some circumstances, even with the air bag technology installed in your vehicle. The only way to completely rule out this risk is by making sure you never place a child in a rearward-facing child restraint system on the front- passenger seat. For this reason, we strongly advise that you always carry children in a rearward-facing child restraint system on a rear seat.

RIf you must install a rear-facing child restraint on the front-passenger seat because circumstances require you to do so, make sure the 42
indicator lamp is illuminated, indicating that the front-passenger front air bag is deactivated. If the 42
indicator lamp does not light up or goes out when the child restraint system is installed, check the anchorages of the restraint system. Check the 42
indicator lamp regularly while driving to ensure that the 42 indicator lamp is illuminated. If the 42
indicator lamp lights up or remains out, you may only carry a child on the front- passenger seat once the system has been repaired. A child in a rear-facing child restraint on the front-passenger seat will be seriously injured or even killed if the front-passenger front air bag inflates.

Rwhen securing a child in a child restraint system on the front-passenger seat, you must: - move the front-passenger seat as far

back as possible

- use a child restraint system that is

suitable for the age, size and weight of the child

- observe the manufacturer's installation instructions in order to install and secure the child restraint system correctly. RFor children larger than the typical 12-

month-old child, the front-passenger front air bag can be activated or deactivated. G WARNING Infants and small children should never share a seat belt with another occupant. During an accident, they could be crushed between the occupant and seat belt. A child's risk of serious or fatal injuries is significantly increased if the child restraints are not properly secured in the vehicle and/ or the child is not properly secured in the child restraint. Children too big for a toddler restraint must ride in seats using regular seat belts. Position the shoulder belt across the chest and shoulder, not face or neck. A booster seat may be necessary to achieve proper seat belt positioning for children over 41 lb (18 kg) until they reach a height where a lap/shoulder belt fits properly without a booster. When the child restraint is not in use, remove it from the vehicle or secure it with the seat belt to prevent the child restraint from becoming a projectile in the event of an accident.

If an infant or child is traveling in the vehicle: X Secure the infant or child with an

appropriate infant or child restraint

recommended for the child's age and weight.

X Make sure that the infant or child is

properly secured at all times while the vehicle is in motion. G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, even if they are secured in a child restraint system, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. The children could: Rinjure themselves on parts of the vehicle Rbe seriously or fatally injured through

excessive exposure to extreme heat or cold Rinjure themselves or cause an accident with

vehicle equipment that can be operated even if the SmartKey is removed from the ignition lock or removed from the vehicle, such as seat adjustment, steering wheel adjustment, or the memory function

If children open a door, they could injure other persons or get out of the vehicle and injure themselves or be injured by following traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and the child could be burned on these parts. G WARNING Do not carry heavy or hard objects in the passenger compartment or trunk unless they are firmly secured in place. Unsecured or improperly positioned cargo increases a child's risk of injury in the event of Rstrong braking maneuvers Rsudden changes of direction Ran accident

Children in the vehicle

63

Special seat belt retractor All seat belts except the driver's seat belt are equipped with a special seat belt retractor. When activated, the special seat belt retractor ensures the seat belt will not slacken once the child restraint system has been secured. Installing a child restraint system: X Always comply with the manufacturer's

installation instructions.

X Pull the seat belt smoothly from the inertia

reel.

X Engage the seat belt tongue in the belt

buckle.

Activating the special seat belt retractor: X Pull the seat belt out fully and let the inertia

reel retract it again. While the seat belt is retracting, you should hear a ratcheting sound. The special seat belt retractor is enabled.

X Push down on the child restraint system to

take up any slack.

Removing a child restraint system/ deactivating the special seat belt retractor: X Always comply with the manufacturer's

installation instructions.

X Press the seat belt release button and guide the belt tongue to the belt outlet. The special seat belt retractor is deactivated. G WARNING Never release the seat belt buckle while the vehicle is in motion, since the special seat belt retractor will be deactivated.

LATCH-type (ISOFIX) child seat anchors in the rear G WARNING Children that are too large for a child restraint must travel in seats using normal seat belts. Position shoulder belt across the chest and shoulder, not face or neck.

64

Children in the vehicle

In order to attain the correct seating position for children weighing over 41 lb (18 kg), it may be necessary to use a booster seat until they reach a height where a normal lap/shoulder seat belt lies properly across their bodies without the need for a booster seat. Install the child restraint system according to the manufacturer's instructions. The child restraint system must be installed firmly on both brackets. An incorrectly installed child restraint system can come loose in the event of an accident, causing the child to be severely or fatally injured. Child restraint systems/child restraint retaining brackets that are damaged or have suffered damage due to an impact must be replaced.

LATCH-type (ISOFIX) is a standardized securing system for specially designed child restraint systems on the rear seats. Securing rings for two LATCH-type (ISOFIX) child restraint systems are installed on the left and right: Ron the rear seat backrests of the outer

seats in the second row

Ron the backrests of the seats in the third

row of seats

Secure non LATCH-type (ISOFIX) child restraint systems using the vehicle's seat belt system. Always install child restraint systems according to the manufacturer's instructions. ! When installing the child restraint system, make sure that the seat belt for the center seat does not get trapped. Otherwise, the seat belt could be damaged.

X Remove covers :.

; Securing rings X Install the LATCH-type (ISOFIX) child

restraint system. Comply with the manufacturer's instructions when doing so.

Top Tether G WARNING Always lock the rear seat backrests in their upright position when the rear seats are occupied by passengers. Lock the rear seat backrests in their upright position before installing the Top Tether straps or when the cargo compartment is not in use. Make sure that rear seat backrests are secured properly by pushing and pulling on the seat backrests. If the seat backrest is not locked properly, the seat backrest could fold forward. The child restraint system is no longer supported properly or held in position and can no longer fulfill its function. This could cause serious or even fatal injuries.

Top Tether provides an additional connection between the child restraint system secured with ISOFIX and the rear seat. It helps reduce the risk of injury even further. The Top Tether anchorages for the second row of seats are located on the rear of the rear seat backrests. For the third row of seats, use the cargo tie-down rings in the trunk floor.

Children in the vehicle

65

X Remove respective covering cap : of the

Top Tether anchorage.

X Place covering cap : in a suitable place

(e.g. in the glove box).

X Move the head restraint upwards. X Install the LATCH-type (ISOFIX) child

restraint system with Top Tether. Comply with the manufacturer's installation instructions when doing so.

X Route Top Tether belt ? under the head restraint between the two head restraint bars.

X Route Top Tether belt ? downward

between the cargo compartment cover and the rear seat backrest.

X Hook Top Tether hook = of Top Tether belt ? into Top Tether anchorage ;. Ensure that: RTop Tether hook = is hooked into Top

Tether anchorage ; as shown. RTop Tether belt ? is not twisted. RTop Tether belt ? is routed between the

rear seat backrest and the cargo

66

Children in the vehicle

compartment cover if the cargo compartment cover is installed.

RTop Tether belt ? is routed between the

rear seat backrest and the cargo net if the cargo net is installed.

X Tension Top Tether belt ?. Comply with

the manufacturer's installation instructions when doing so.

X Move the head restraint back down again slightly if necessary (Y page 102). Make sure that you do not interfere with the correct routing of Top Tether belt ?.

Child-proof locks for the rear doors G WARNING Children could open a rear door from inside the vehicle. This could result in serious injuries or an accident. Therefore, when children ride in the rear always secure the rear doors with the child-proof locks.

You secure each door individually with the child-proof locks on the rear doors. A door secured with a child-proof lock cannot be opened from inside the vehicle. When the vehicle is unlocked, the door can be opened from the outside.

Child-proof locks Important safety notes G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle, even if they are secured in a child restraint system, or with access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. The children could: Rinjure themselves on parts of the vehicle Rbe seriously or fatally injured through

excessive exposure to extreme heat or cold Rinjure themselves or cause an accident with

vehicle equipment that can be operated even if the SmartKey is removed from the ignition lock or removed from the vehicle, such as seat adjustment, steering wheel adjustment, or the memory function

If children open a door, they could injure other persons or get out of the vehicle and injure themselves or be injured by following traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and the child could be burned on these parts.

X To activate: press the child-proof lock lever down in the direction of arrow ;. X Make sure that the child-proof locks are

working properly.

X To deactivate: press the child-proof lock

lever up in the direction of arrow :.

Override feature for the rear side windows G WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window.

Driving safety systems

67

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

i Canada only:

This device complies with RSS-Gen of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

Driving safety systems Driving safety systems overview In this section, you will find information about the following driving safety systems: RABS (Anti-lock Braking System) RBAS (Brake Assist System) RESP® (Electronic Stability Program) REBD (Electronic Brake force Distribution) RDistance warning function (vehicles with

DISTRONIC)

X To activate/deactivate: press switch :. Switch : is pushed in or extended. If the switch has engaged, operation of the rear side windows is deactivated. Operation is then only possible using the switches in the driver's door.

Panic alarm

X To activate: press ! button : for at

least one second. An alarm sounds and the exterior lighting flashes.

X To deactivate: press ! button :

again.

or X Insert the SmartKey into the ignition lock. or X Press the KEYLESS-GO Start/Stop button.

The KEYLESS-GO key must be in the vehicle.

i USA only:

68 Driving safety systems

Important safety notes G WARNING The following factors increase the risk of accidents: RExcessive speed, especially in turns RWet and slippery road surfaces RFollowing another vehicle too closely The driving safety systems described in this section cannot reduce these risks or prevent the natural laws of physics from acting on the vehicle. They cannot increase braking or steering efficiency beyond that afforded by the condition of the vehicle brakes and tires or the traction afforded. Only a safe, attentive, and skillful driver can prevent accidents. The capabilities of a vehicle equipped with the driving safety systems described in this section must never be exploited in a reckless or dangerous manner which could jeopardize the user's safety or the safety of others. Always adjust your driving style to the prevailing road and weather conditions and keep a safe distance to other road users and objects on the street. If a driving system malfunctions, other driving safety systems may also switch off. Observe indicator and warning lamps that may come on as well as messages in the multifunction display that may appear.

i Please note that the driving safety

systems described only work as effectively as possible when there is adequate contact between the tires and the road surface. Pay particular attention to the information regarding tires, recommended minimum tire tread depths etc. in the "Wheels and tires" section (Y page 338). In wintry driving conditions, always use winter tires (M+S tires) and if necessary, snow chains. Only in this way will the driving safety systems described in this section work as effectively as possible.

ABS (Anti-lock Braking System) Important safety notes i Observe the "Important safety notes"

section (Y page 68).

ABS regulates brake pressure in such a way that the wheels do not lock when you brake. This allows you to continue steering the vehicle when braking. ABS works from a speed of about 5 mph(8 km/h) upwards, regardless of road- surface conditions. ABS works on slippery surfaces, even when you only brake gently. G WARNING If the ABS malfunctions, other driving systems such as the BAS or the ESP® are also switched off. Observe indicator and warning lamps that may come on as well as messages in the multifunction display that may appear. If the ABS malfunctions, the wheels may lock during hard braking, reducing the steering capability and extending the braking distance.

The ! warning lamp in the instrument cluster lights up when the ignition is switched on. It goes out when the engine is running.

Braking If ABS intervenes when braking, you will feel a pulsing in the brake pedal. X If ABS intervenes: continue to depress the

brake pedal with force until the braking situation is over.

X To make a full brake application:

depress the brake pedal with full force.

The pulsating brake pedal can be an indication of hazardous road conditions, and functions as a reminder to take extra care while driving. G WARNING Do not pump the brake pedal. Use firm, steady brake pedal pressure instead. Pumping the brake pedal defeats the purpose of the ABS

and significantly reduces braking effectiveness.

Off-road ABS An ABS mode specifically suited to off-road terrain is activated automatically if the off- road drive program (Y page 206) is activated or the LOW RANGE (Y page 206) off-road gear is selected. At speeds below 18 mph(30 km/h), the front wheels lock periodically when braking. The digging-in effect achieved in the process reduces the stopping distance on off-road terrain. This limits steering capability.

BAS (Brake Assist System) i Observe the "Important safety notes"

section (Y page 68).

BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus shortening the stopping distance. X Keep the brake pedal firmly depressed until

the emergency braking situation is over. ABS prevents the wheels from locking. The brakes will function as usual once you release the brake pedal. BAS is deactivated. G WARNING If the BAS malfunctions, the brake system still functions, but without the additional brake boost available that the BAS would normally provide in an emergency braking maneuver. Therefore, the braking distance may increase.

ESP® (Electronic Stability Program) Important safety notes i See the "Important safety notes" section

(Y page 68).

If ESP® detects that the vehicle is deviating from the direction desired by the driver, one

Driving safety systems

69

or more wheels are braked to stabilize the vehicle. If necessary, the engine output is also modified to keep the vehicle on the desired course within physical limits. ESP® assists the driver when pulling away on wet or slippery roads. ESP® can also stabilize the vehicle during braking. If ESP® intervenes, the ÷ ESP® warning lamp flashes in the instrument cluster. G WARNING Under no circumstances should you deactivate ESP® when the ÷ ESP® warning lamp in the instrument cluster flashes. Proceed as follows: Rwhen driving off, apply as little throttle as

possible.

Rwhile driving, ease up on the accelerator

pedal.

Radapt your speed to suit the prevailing road

and weather conditions.

Failure to observe these guidelines could cause the vehicle to skid. ESP® cannot prevent accidents resulting from excessive speed.

! Only operate the vehicle for a maximum

of ten seconds on a brake test dynamometer. Switch off the ignition. Application of the brakes by ESP® may otherwise destroy the brake system.

! Function or performance tests may only be performed on a 2-axle dynamometer. If you wish to operate the vehicle on such a dynamometer, please consult an authorized Mercedes-Benz Center beforehand. You could otherwise damage the drive train or the brake system.

i Only use wheels with the recommended

tire sizes. Only then will ESP® function properly.

70 Driving safety systems

4ETS (Electronic Traction System) i Observe the "Important safety notes"

section (Y page 68).

Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and accelerate on slippery surfaces, for example if the road surface is slippery on one side. In addition, more drive torque is transferred to the wheel or wheels with traction. Traction control remains active if you deactivate ESP®. X Activate the off-road drive program

(Y page 206) or engage the LOW RANGE (Y page 206) off-road gear if appropriate for the driving conditions. G WARNING Traction control cannot reduce the risk of an accident if you drive too fast. Traction control cannot override the laws of physics.

Off-road 4ETS (Electronic Traction System) A 4ETS system specifically suited to off-road terrain is activated automatically if the off- road drive program is activated (Y page 206) or the LOW RANGE (Y page 206) off-road gear is selected.

Deactivating/activating ESP® i Observe the "Important safety notes"

section (Y page 68). G WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do not deactivate ESP® when the emergency or spare wheel is mounted.

ESP® is activated automatically when the engine is started. It may be best to deactivate ESP® in the following situations: Rwhen using snow chains Rin deep snow Ron sand or gravel G WARNING Switch on ESP® immediately if one of the previously stated conditions is no longer met. Otherwise, ESP® cannot stabilize the vehicle if it begins to lurch or when a wheel spins.

When you deactivate ESP®: RESP® no longer improves driving stability. Rthe engine's torque is no longer limited and the drive wheels can spin. The spinning of the wheels results in a cutting action, which provides better grip.

Rtraction control is still activated. RESP® still provides support when you

brake.

If ESP® is deactivated and one or more wheels start to spin, the ÷ ESP® warning lamp in the instrument cluster flashes. In such situations, ESP® will not stabilize the vehicle.

X To deactivate: press button :.

The å ESP® OFF warning lamp in the instrument cluster lights up.

G WARNING When the å ESP® OFF warning lamp is lit, ESP® is deactivated. If the ÷ ESP® warning lamp and the å ESP® OFF warning lamp remain lit, ESP® is not available due to a malfunction. When ESP® is deactivated or not operational, vehicle stability in standard driving maneuvers is reduced. Adapt your speed and driving to the prevailing road conditions and to the non-operating status of the ESP®.

! Avoid spinning the driven wheels for an extended period with ESP® deactivated. You could otherwise damage the drivetrain.

X To activate: press button :.

The å ESP® OFF warning lamp in the instrument cluster goes out.

Off-road ESP® An ESP® system specifically suited to off-road terrain is activated automatically if the off- road drive program is activated (Y page 206)or if the LOW RANGE (Y page 206) off-road gear is selected. It intervenes with a delay if there is oversteering or understeering, thus improving traction.

ESP® trailer stabilization If your vehicle with trailer (vehicle/trailer combination) begins to lurch, you can only stabilize the vehicle/trailer combination by depressing the brake firmly. In this situation, ESP® assists you and can detect if the vehicle/trailer combination begins to lurch. ESP® slows the vehicle down by braking and limiting the engine output until the vehicle/trailer combination has stabilized. Trailer stabilization is active from a speed of approximately 40 mph(65 km/h).

Driving safety systems

71

G WARNING The system will not be able to assist when the trailer jackknifes Rif the ESP® has switched off due to a

malfunction

Ron wet or icy roads Ron roads with slippery surface Rin sand or gravel Trailers with a high center of gravity may tip over before the system recognizes swaying of the trailer.

Trailer stabilization does not work if ESP® is deactivated or disengaged because of a malfunction.

EBD (electronic brake force distribution) i Observe the "Important safety notes"

section (Y page 68).

EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. G WARNING If EBD has malfunctioned, the braking system remains available with full brake boosting effect. However, the rear wheels can still lock, e.g. under full braking. This could cause you to lose control of your vehicle and cause an accident. You should therefore adapt your driving style to the different handling characteristics.

X Observe the notes on warning and indicator

lamps (Y page 260) as well as display messages (Y page 235).

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Theft deterrent locking systems

Distance warning function (vehicles with DISTRONIC) This function provides a warning from a speed of approximately 20 mph(30 km/h), if: Rfor a period of several seconds, the

distance to the vehicle in front is too short for the speed at which you are traveling. The · distance warning lamp in the instrument cluster will light up.

Ryou are rapidly approaching the vehicle in

front. An intermittent warning tone will then sound and the · distance warning lamp will light up in the instrument cluster. You must apply the brakes yourself in order to maintain the appropriate distance to the vehicle in front and prevent a collision. G WARNING If the distance warning lamp · in the instrument cluster comes on while driving and/or an intermittent warning sounds, immediate attention on the part of the driver is required. As required by the traffic situation, apply the brakes and navigate around a possible obstacle. However, do not drive by relying on the distance warning function, as this will result in an emergency braking application. This will not always enable you to avoid a collision, especially when traveling on varying road surface conditions and with varying driver reaction. Complex driving situations are not always fully recognized by the distance warning function. This could result in wrong or missing distance warnings.

X To activate/deactivate: activate or

deactivate the distance warning function in the on-board computer (Y page 228). After activation, the Ä symbol is displayed in the lower multifunction display.

Theft deterrent locking systems Immobilizer The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started by anyone with a valid SmartKey that is left inside the vehicle. X To activate with the SmartKey: remove

the SmartKey from the ignition lock.

X To activate with KEYLESS-GO: switch the

ignition off and open the driver's door. X To deactivate: switch on the ignition. i The immobilizer is always deactivated

when you start the engine. In the event that the engine cannot be started when the starter battery is fully charged, the immobilizer may be faulty. Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in USA) or 1-800-387-0100 (in Canada).

ATA (Anti-Theft Alarm system) A visual and audible alarm is triggered if the alarm system is armed and you open: Ra door Rthe vehicle with the mechanical key Rthe tailgate Rthe hood The alarm is not switched off, even if you close the open door that has triggered it, for example.

i If the alarm stays on for more than 30

seconds, the emergency call system mbrace (USA only) or TELE AID (Canada only) initiates a call to the Customer Assistance Center automatically. The emergency call system initiates the call provided that: Ryou have subscribed to the mbrace/

TELE AID service.

Theft deterrent locking systems

73

X To stop the alarm using KEYLESS-GO:

grasp the outside door handle. The SmartKey must be outside the vehicle. The alarm is switched off.

or X Press the Start/Stop button on the

dashboard. The SmartKey must be inside the vehicle. The alarm is switched off.

Rthe mbrace/TELE AID service has been

activated properly.

Rthe required mobile phone, power supply

and GPS are available.

X To arm: lock the vehicle with the SmartKey

or KEYLESS-GO. Indicator lamp : flashes. The alarm system is armed after approximately 10
seconds.

X To deactivate: unlock the vehicle with the

SmartKey or KEYLESS-GO.

X To stop the alarm using the SmartKey: insert the SmartKey into the ignition lock. The alarm is switched off.

or X Press the % or & button on the

SmartKey. The alarm is switched off.

74

Useful information .............................. 76
SmartKey ............................................. 76
Doors .................................................... 83
Cargo compartment ............................ 85
Side windows ...................................... 90
Sliding sunroof .................................... 93

75

76

SmartKey

Useful information

i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.

i Please read the information on qualified

specialist workshops (Y page 24).

SmartKey Important safety notes G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme

heat or cold

Rinjure themselves or have an accident with

vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.

If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very

hot, and a child could be burned on these parts. G WARNING If a key ring is too heavy or too large, the weight acting on the key could cause it to turn in the ignition lock or catch on the steering wheel. This could cause the engine to be switched off suddenly. You could lose control of the vehicle and cause an accident. Do not attach any heavy or large key rings to the key that is inserted in the ignition.

General information If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. X Check the battery in the SmartKey and

replace it if necessary (Y page 80). X Unlock the driver's door using the

mechanical key (Y page 85). X Lock the vehicle (Y page 85). X Have the starter battery and battery contacts checked at an authorized Mercedes-Benz Center.

If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.

SmartKey functions General notes i USA only:

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation.

Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

i Canada only:

This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. this device must accept any interference received, including interference that may cause undesired operation of the device. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

Locking and unlocking centrally The SmartKey centrally locks/unlocks: Rthe doors Rthe tailgate Rthe fuel filler flap

: & Locks the vehicle ; F Opens/closes the tailgate = % Unlocks the vehicle When unlocking, the turn signals flash once. When locking, they flash three times.

SmartKey

77

When it is dark, the surround lighting also comes on if it is activated in the on-board computer (Y page 225). You can also set an audible signal to confirm that the vehicle has been locked or unlocked. The audible signal can be activated and deactivated using the on-board computer (Y page 226). X To unlock centrally: press the %

button.

If you do not open the vehicle within approximately 40 seconds of unlocking: Rthe vehicle is locked again. Rthe theft deterrent locking system is armed

again.

X To lock centrally: press the & button.

KEYLESS-GO General notes i USA only:

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

i Canada only:

This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference, and

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SmartKey

2. this device must accept any interference received, including interference that may cause undesired operation of the device. Any unauthorized modification to this device could void the user’s authority to operate the equipment. The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

Important notes on the use of KEYLESS- GO RThe KEYLESS-GO key can be used like a

conventional key.

RYou can combine KEYLESS-GO functions

with those of a conventional key, e.g. unlock with KEYLESS-GO and lock with the & button.

RAlways carry your KEYLESS-GO key on your

person.

RDo not keep the KEYLESS-GO key together

with: - electronic devices, e.g. a mobile phone

or another key

- metallic objects, e.g. coins or metal foil. This can affect the functionality of KEYLESS-GO.

RWhen locking and unlocking using

KEYLESS-GO, the distance between the SmartKey and the corresponding door handle must not exceed 3 ft (1 m).

RIf the vehicle is parked for more than 72 hours, the KEYLESS-GO function is deactivated. Pull the outer door handle and switch on the ignition to reactivate the KEYLESS-GO function.

RIf the KEYLESS-GO key is removed from the vehicle, it is possible that the system may not recognize the SmartKey. The vehicle

can then not be locked or started using KEYLESS-GO.

RIf the KEYLESS-GO key has been removed from the vehicle, e.g. if a passenger leaves the vehicle with a KEYLESS-GO key:

if the Start/Stop button is pressed or if an attempt is made to lock the vehicle with the locking button on the outer door handle, the Key Not Detected message appears in the multifunction display - while the engine is running, the red Key Not Detected message will appear in the multifunction display as you pull away. Find the KEYLESS-GO key and change its position in the vehicle. Carry the KEYLESS-GO key in your shirt pocket, for example.

RIf you have started the engine with the Start/Stop button, you can switch it off again by: - pressing the Start/Stop button again inserting the KEYLESS-GO key into the ignition lock if the vehicle is stationary and the automatic transmission is in park position P.

RYou could unlock the vehicle by mistake if the distance between the KEYLESS-GO key and the vehicle is less than 3 ft (1 m) and: - an exterior door handle is hit by a water

jet or

- you clean an exterior door handle.

RBear in mind that the engine can be started by any of the vehicle occupants if there is a KEYLESS-GO key in the vehicle.

X To unlock the vehicle: touch the inner

surface of the door handle.

X To lock the vehicle: press locking

button :.

X Convenience closing feature: press

locking button : for an extended period (Y page 92).

If you pull on the handle of the tailgate, only the cargo compartment of the vehicle is unlocked.

Changing the settings of the locking system You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. X To change the setting: press and hold

down the % and & buttons simultaneously for approximately six seconds until the battery check lamp (Y page 80) flashes twice.

i If the setting of the locking system is changed within the signal range of the vehicle, pressing the & or % button locks or unlocks the vehicle.

The SmartKey now functions as follows: X To unlock the driver's door: press the

% button once.

X To unlock centrally: press the %

button twice.

X To lock centrally: press the & button.

SmartKey

79

The KEYLESS-GO function is changed as follows: X To unlock the driver's door: touch the inner surface of the door handle on the driver's door.

X To unlock centrally: touch the inner

surface of the door handle on the front- passenger door or the rear door.

X To lock centrally: press the locking button

on one of the door handles.

Restoring the factory settings X Press the % and & buttons

simultaneously for approximately six seconds until the battery check lamp flashes twice.

Mechanical key General notes If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered (Y page 72). There are several ways to turn off the alarm: X To turn the alarm off with the

SmartKey: press the % or & button on the SmartKey.

or X Insert the SmartKey into the ignition lock. or X To deactivate the alarm with KEYLESS-

GO: press the Start/Stop button in the ignition lock. The SmartKey must be in the vehicle.

or X Lock or unlock the vehicle using KEYLESS-

GO. The SmartKey must be outside the vehicle.

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SmartKey

Removing the mechanical key

Checking the battery

X Push release catch : in the direction of the arrow and at the same time, remove mechanical key ; from the SmartKey.

SmartKey battery Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. G WARNING Batteries contain toxic and caustic substances. For this reason, keep batteries out of the reach of children. If a battery has been swallowed, seek medical help immediately. G WARNING The SmartKey batteries contain perchlorate material, which may require special handling and regard for the environment. Observe government disposal guidelines. California residents, see www.dtsc.ca.gov/ HazardousWaste/Perchlorate/ index.cfm.

X Press the & or % button.

The SmartKey battery is working properly if battery check lamp : lights up briefly. If battery check lamp : does not light up briefly during the test, the SmartKey battery is discharged. X Changing the battery (Y page 80) i The battery can be obtained from any

authorized Mercedes-Benz Center.

i If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the & or % button locks or unlocks the vehicle.

Changing the battery You require a CR 2025 3 V cell battery. X Take the mechanical key out of the

SmartKey (Y page 79).

X Press mechanical key ; into the opening

in the SmartKey in the direction of the

arrow until battery tray cover : opens. When doing so, do not hold cover : shut.

X Remove battery tray cover :.

SmartKey

81

X Repeatedly tap the SmartKey against your

palm until battery = falls out.

X Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.

X Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.

X Insert the front tabs of battery tray cover : and then press to close it. X Insert the mechanical key into the

SmartKey.

X Check the function of all SmartKey buttons

on the vehicle.

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SmartKey

Problems with the SmartKey Problem You cannot lock or unlock the vehicle using the SmartKey.

Possible causes/consequences and M Solutions The SmartKey battery is discharged or nearly discharged. X Try again to lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the %/ & button.

If this does not work: X Check the SmartKey battery and replace it if necessary

(Y page 80).

the mechanical key.

X Lock (Y page 85) or unlock (Y page 85) the vehicle using

You can no longer lock or unlock the vehicle using KEYLESS-GO.

The SmartKey is faulty. X Lock (Y page 85) or unlock (Y page 85) the vehicle using

the mechanical key.

X Have the SmartKey checked at a qualified specialist workshop. KEYLESS-GO is in standby mode because the vehicle has not been unlocked for an extended period. X Pull the door handle twice and then insert the SmartKey into the

ignition lock.

There is interference from a powerful source of radio waves. X Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the %/& button.

There is a malfunction with KEYLESS-GO. X Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the %/& button.

X Have KEYLESS-GO checked at a qualified specialist workshop. If this does not work: X Check the SmartKey battery and replace it if necessary

(Y page 80).

the mechanical key.

X Lock (Y page 85) or unlock (Y page 85) the vehicle using

You have lost a SmartKey.

X Have the SmartKey canceled at an authorized Mercedes-Benz

Center.

X Report the loss immediately to the vehicle insurers. X If necessary, have the locks changed as well.

Doors

83

Problem You have lost the mechanical key.

The engine cannot be started using the SmartKey.

Possible causes/consequences and M Solutions X Report the loss immediately to the vehicle insurers. X If necessary, have the locks changed as well. The on-board voltage is too low. X Switch off non-essential consumers, e.g. seat heating or interior

lighting, and try to start the engine again.

If this does not work: X Check the starter battery and charge it if necessary

(Y page 326).

or X Jump-start the vehicle (Y page 329). or X Consult a qualified specialist workshop. A door is open. Therefore, the SmartKey cannot be detected as easily. X Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves. X Start your vehicle with the SmartKey in the ignition lock.

The engine cannot be started using KEYLESS- GO. The SmartKey is in the vehicle.

Doors Important safety notes G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme

heat or cold

Rinjure themselves or have an accident with

vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the

seat adjustment, steering wheel adjustment or memory function.

If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and a child could be burned on these parts. G WARNING Do not carry heavy or hard objects in the passenger compartment or cargo compartment unless they are firmly secured in place.

84 Doors

Unsecured or improperly positioned cargo increases a child's risk of injury in the event of Rstrong braking maneuvers Rsudden changes of direction Ran accident

Unlocking and opening doors from the inside You can open a door from inside the vehicle even if it has been locked. You can only open the rear doors from inside the vehicle if they are not secured by the child-proof locks (Y page 66). Only open the door when the traffic situation permits. If the vehicle was previously locked with the SmartKey or with KEYLESS-GO, opening the vehicle from the inside will activate the anti- theft alarm system. Switch off the alarm (Y page 72).

X Pull door handle ;.

If the door is locked, locking knob : pops up. The door is unlocked and can be opened.

Centrally locking and unlocking the vehicle from the inside You can centrally lock or unlock the vehicle from the inside.

The central locking/unlocking button does not lock or unlock the fuel filler flap. The buttons are located on both front doors. i You cannot unlock the vehicle centrally

from the inside if the vehicle has been locked with the SmartKey or KEYLESS-GO.

i It is only possible to lock the vehicle centrally if the front-passenger door is closed.

X To unlock: press button :. X To lock: press button ;.

If all the doors and the tailgate are closed, the vehicle locks.

You can open a front door from inside the vehicle even if it has been locked. Only open the door when the traffic situation permits. If the vehicle has been locked with the central locking button: Rand the SmartKey is set to its factory

setting, the entire vehicle is unlocked if a front door is opened from the inside

Rand the SmartKey is set to an individual

setting, only the front door that is opened from inside the vehicle is unlocked.

If the vehicle has been locked centrally with the SmartKey or with KEYLESS-GO, it is not unlocked when the release button for the central locking is used.

Automatic locking feature The vehicle locks automatically when the ignition is switched on and the wheels of the

vehicle are turning at a speed of more than 9 mph (15 km/h). You could therefore be locked out when: Rthe vehicle is being pushed. Rthe vehicle is being towed. Rthe vehicle is being tested on a

dynamometer.

You can switch the automatic locking function on and off using the on-board computer (Y page 226).

Unlocking the driver's door (mechanical key) If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered (Y page 72). X Take the mechanical key out of the

SmartKey (Y page 79).

X Insert the mechanical key into the lock of

the driver's door as far as it will go.

X Firmly turn the mechanical key counter- clockwise as far as it will go to position 1 and hold it in this position.

X Pull the door handle quickly.

The locking knob pops up. The door is unlocked.

X Turn the mechanical key back and remove

it.

Cargo compartment

85

X Pull the door handle again. X Insert the mechanical key into the

SmartKey.

Locking the vehicle If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. X Close the front-passenger door, the rear door on the front-passenger side and the tailgate.

X Open the driver’s door and the rear door on

the driver’s side.

X Press the locking button on the driver’s

door (Y page 84). The locking knobs in the front-passenger door and in the rear doors drop down.

X Press down the locking knobs in the front-

passenger and rear doors manually, if necessary.

X Close the driver's door from the outside. X Press down the locking knob of the driver's door by reaching in through the open rear door.

i Make sure that you have the SmartKey on your person and that it has not been left in the vehicle.

X Close the rear door on the driver’s side. X Make sure that the doors and the tailgate

are locked.

i If you lock the vehicle as described above,

the fuel filler flap is not locked. The anti- theft alarm system is not armed.

Cargo compartment Important safety notes Do not leave the SmartKey in the cargo compartment. You could otherwise lock yourself out.

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Cargo compartment

G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could: Rinjure themselves on vehicle parts Rbe seriously or fatally injured by extreme

heat or cold

Rinjure themselves or have an accident with

vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.

If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic. Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and a child could be burned on these parts. G WARNING Do not carry heavy or hard objects in the passenger compartment or cargo compartment unless they are firmly secured in place. Unsecured or improperly positioned cargo increases a child's risk of injury in the event of Rstrong braking maneuvers Rsudden changes of direction Ran accident G WARNING Make sure the tailgate is closed when the engine is running and while driving. Among

other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.

! The tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the tailgate.

To open the tailgate completely, a minimum clearance of 7.40 ft (2.25 m) above the ground is necessary. You can: Ropen and close the tailgate manually from

outside

Ropen and close the tailgate automatically

from outside

Ropen and close the tailgate automatically

from inside

Ropen the tailgate manually from inside Rlimit the opening angle of the tailgate

Opening/closing from the outside Opening X Press the % button on the SmartKey.

X Pull handle :. X Raise the tailgate.

Closing G WARNING To prevent possible personal injury, always keep hands and fingers away from the cargo

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87

compartment opening when closing the tailgate. Be especially careful when small children are around.

To open the tailgate completely, a minimum clearance of 7.40 ft (2.25 m) above the ground is necessary.

Opening You can open the tailgate automatically using the SmartKey or the handle in the tailgate. X Press and hold the F button on the

SmartKey until the tailgate opens.

or X When the tailgate is unlocked, pull the handle and let it go again immediately.

Closing G WARNING Monitor the closing procedure carefully to make sure no one is in danger of being injured. To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when closing the tailgate. Be especially careful when small children are around. To stop the closing procedure, do one of the following: RPress or pull the remote tailgate opening/

closing switch on the driver's door.

RPress the tailgate closing switch. RPress the KEYLESS-GO locking/closing

switch.

RPull outside handle on the tailgate. RWhen no SmartKey is inserted in the starter switch (vehicles with KEYLESS-GO: Make sure the vehicle's on-board electronics have status 0): Press button F on the SmartKey.

You can close the tailgate automatically using the SmartKey, the closing button4 or the locking button5.

X Pull the tailgate down using recess :. X Push the tailgate closed from outside the

vehicle.

X If necessary, lock the vehicle with the & button on the SmartKey (Y page 76) or with KEYLESS-GO (Y page 77).

i If a KEYLESS-GO key is detected in the cargo compartment, the tailgate will not lock.

Opening/closing automatically from outside Important safety notes G WARNING Make sure the tailgate is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.

! The tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the tailgate.

4 For vehicles with the EASY-PACK tailgate only. 5 For vehicles with the EASY-PACK tailgate and KEYLESS-GO only.

To interrupt the opening procedure, press or pull the door-mounted remote tailgate switch. When the SmartKey is not inserted in the starter switch (vehicles with KEYLESS-GO: Make sure the vehicle's on-board electronics have status 0): Press button F on the SmartKey. G WARNING Maintain sight of the area around the rear of the vehicle while operating the tailgate with the door-mounted remote tailgate switch. Monitor the closing procedure carefully to make sure no one is in danger of being injured. To interrupt the closing procedure, press or pull the door-mounted remote tailgate switch. G WARNING To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when closing the tailgate. Be especially careful when small children are around. G WARNING Make sure the tailgate is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter vehicle interior resulting in unconsciousness and death.

You can open and close the tailgate from the