2011 Mercedes-benz C Class Coupe Owners Manual

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. 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

Children in the vehicle

55

restraint systems are installed on the left and right of the rear 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. The securing rings on the rear seats are covered by an upholstered lining.

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 anchorage points are located in the rear compartment behind the head restraints.

Installation instructions : indicate the installation location of securing rings 2. X Fold upholstery cover = and the Velcro

fastener down.

X Install the LATCH-type (ISOFIX) child

restraint systems on both securing rings ;. Comply with the manufacturer's instructions when installing the LATCH- type (ISOFIX) child restraint system.

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.

X Press down the rear of cover ; in the

direction of the arrow. Cover ; is raised slightly at the front.

X Fold up cover ; of Top Tether anchorage

=.

X Hook Top Tether hook ? into Top Tether

anchorage =.

X In accordance with the model, the

specification and the manufacturer's installation instructions, guide Top Tether belt A to the right and to left past the head restraints :.

or X Route Top Tether belt A over the center of

the head restraint.

56 Driving safety systems

X Make sure that Top Tether belt A is not

twisted.

X Install the LATCH-type (ISOFIX) child

restraint system with Top Tether. Comply with the manufacturer's installation instructions when doing so. Make sure that Top Tether belt A is tight.

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:

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:

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.

This device complies with RSS-Gen 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. 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) RBAS PLUS (Brake Assist System Plus*) RESP® (Electronic Stability Program) REBD (Electronic Brake force Distribution) RADAPTIVE BRAKE RPRE-SAFE® Brake

Important safety notes If you fail to adapt your driving style, the driving safety systems can neither reduce the risk of accident nor override the laws of physics. Driving safety systems are merely aids designed to assist driving. You are responsible for the distance to the vehicle in

front, for vehicle speed and for braking in good time. Always adapt your driving style to suit the prevailing road/weather conditions, as well as the traffic conditions and maintain a safe distance to the vehicle in front. Drive carefully. 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 294). 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 56).

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.

Driving safety systems

57

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.

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

section (Y page 56).

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.

58 Driving safety systems

BAS PLUS (Brake Assist System Plus) BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. i Observe the "Important safety notes"

section (Y page 56).

At speeds above approximately 20 mph (30 km/h), BAS PLUS assists you when braking in hazardous situations and uses the radar sensor system to evaluate the traffic conditions. i This device has been approved by the FCC as a "Vehicular Radar System". The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user's authority to operate the equipment.

With the help of the radar sensor system, BAS PLUS can detect obstacles that are in the path of your vehicle for an extended period of time. At speeds up to approximately 40 mph (70 km/h), BAS PLUS can also detect stationary obstacles, for example stopped or parked vehicles. Should you approach an obstacle and BAS PLUS has detected a risk of collision, BAS PLUS calculates the braking force necessary to avoid a rear-end collision. Should you apply the brakes forcefully, BAS PLUS can automatically increase the braking force to a level suitable for the traffic conditions. X Keep the brake pedal depressed until the

emergency braking situation is over. ABS prevents the wheels from locking.

The brakes will work normally again if: Ryou release the brake pedal. Rthere is no longer any danger of a rear-end

collision.

Rno obstacle is detected in front of your

vehicle.

BAS PLUS is then deactivated. For BAS PLUS to assist you when driving, the radar sensor system must be switched on and operational, see "Radar sensor system" in the index. G WARNING BAS PLUS cannot always clearly identify objects and complex traffic situations. BAS PLUS cannot intervene in these cases. There is a risk of an accident. Always pay careful attention to the traffic situation and be ready to brake.

In particular, the detection of obstacles can be impaired if there is: Rdirt on the sensors or anything else

covering the sensors

Rsnow or heavy rain Rinterference by other radar sources Rthe possibility of strong radar reflections,

for example in parking garages

Ra narrow vehicle traveling in front, e.g. a

motorbike

Ra vehicle traveling in front on a different line G WARNING BAS PLUS does not react: Rto people or animals Rto oncoming vehicles Rto crossing traffic Rin curves As a result, BAS PLUS cannot intervene in critical situations. There is a risk of an accident. Always pay careful attention to the traffic situation and be ready to brake.

Following damage to the front end of the vehicle, have the configuration and operation

of the radar sensors checked at a qualified specialist workshop. This also applies to collisions at low speeds where there is no visible damage to the front of the vehicle. If BAS PLUS is not available due to a malfunction in the radar sensor system, the brake system remains available with full brake boosting effect and BAS.

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

(Y page 56).

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

Driving safety systems

59

! Switch the ignition off when:

Rthe parking brake is being tested using a

dynamometer

Rthe vehicle is being towed with the front

or rear axle raised

Application of the brakes by ESP® may otherwise destroy the brake system.

i Only use wheels with the recommended

tire sizes. Only then will ESP® function properly.

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

section (Y page 56).

Traction control is part of ESP®. If the drive wheels spin, traction control brakes them individually. This enables you to pull away and accelerate on slippery surfaces, for example if the road surface is slippery on one side. Traction control remains active if you deactivate ESP®.

Deactivating/activating ESP® (except AMG vehicles) 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

60 Driving safety systems

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.

If 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:(Y page 192).

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:(Y page 192).

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

Deactivating/activating ESP® (AMG vehicles) Activating/deactivating SPORT handling mode G WARNING The SPORT handling mode should not be switched on during normal driving. Switching on the SPORT handling mode will result in the following: Rno restriction to the engine torque Rsystem supported traction control is

limited

The SPORT handling mode is designed for driving on closed tracks when the vehicle's own natural oversteer and understeer characteristics are desired and requires a highly skilled and experienced driver able to handle these critical driving situations. You could lose control of your vehicle and cause an accident. Please be aware of these limits when you switch on the SPORT handling mode. Do not switch on the SPORT handling when a spare wheel is mounted.

ESP® is activated automatically when the engine is started. It may be best to activate SPORT handling mode in the following situations: Rwhen using snow chains Rin deep snow Ron sand or gravel G WARNING Switch off the SPORT handling mode and switch on the ESP® immediately if the aforementioned circumstances do not apply anymore. Otherwise the SPORT handling mode will only stabilize the vehicle to a limited extent when it is starting to skid or a wheel is spinning.

When SPORT handling mode is activated: RESP® only improves driving stability to a

limited degree.

Rthe engine's torque is restricted only to a limited degree 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

firmly.

If SPORT handling mode is activated and one or more wheels start to spin, the ÷ ESP® warning lamp in the instrument cluster flashes. ESP® only stabilizes the vehicle to a limited degree.

X To activate: briefly press button :.

The M SPORT handling mode warning lamp in the instrument cluster lights up. The SPORT handling mode message appears in the multifunction display.

X To deactivate: briefly press button :. The M SPORT handling mode warning lamp in the instrument cluster goes out.

Activating/deactivating ESP® G WARNING The ESP® should not be switched off during normal driving. Disabling of the system will result in the following: Rno restriction to engine torque Rloss of system-supported traction control

Driving safety systems

61

"ESP® OFF" is designed for driving on closed tracks when the vehicle's natural oversteer and understeer characteristics are desired and requires a highly skilled and experienced driver able to handle these critical driving situations. You could lose control of your vehicle and cause an accident. Please be aware of these limits when you switch off the ESP®. Do not switch off the ESP® when a 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.

If you deactivate ESP®: RESP® no longer improves driving stability. Rthe engine's torque is no longer limited and

the drive wheels are able to spin. The spinning of the wheels results in a cutting action, which provides better grip.

Rtraction control is still activated. RPRE-SAFE® Brake is no longer available, nor is it activated if you brake firmly and ESP® intervenes.

RESP® still provides support when you brake

firmly.

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

62 Driving safety systems

X To deactivate: press button : until the å ESP® OFF warning lamp lights up in the instrument cluster. The ÷OFF message appears in the multifunction display. 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: briefly press button :. The å ESP® OFF warning lamp in the instrument cluster goes out. The ÷ON message appears in the multifunction display.

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

section (Y page 56).

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 230) as well as display messages (Y page 204).

ADAPTIVE BRAKE ADAPTIVE BRAKE enhances braking safety and offers increased braking comfort. In addition to the braking function, ADAPTIVE BRAKE also has the HOLD function (Y page 159) and hill start assist (Y page 128). For further information, see Driving tips (Y page 143).

PRE-SAFE® Brake PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. i Observe the "Important safety notes"

section (Y page 56).

PRE-SAFE® Brake can help you to minimize the risk of a frontal collision with a vehicle ahead or reduce the effects of such a collision. If PRE-SAFE® Brake has detected a risk of collision, you will be warned visually and acoustically as well as by automatic braking. PRE-SAFE® Brake cannot prevent a collision without your intervention. At speeds above approximately 20 mph (30 km/h), this function warns you when you are rapidly approaching the vehicle in front. An intermittent warning tone will

Driving safety systems

63

then sound and the · distance warning lamp in the instrument cluster will light up. X Brake immediately in order to increase the

distance from the vehicle in front.

or X Take evasive action provided it is safe to do

so.

If the driver and front passenger have their seat belt fastened, PRE-SAFE® Brake can also brake the vehicle automatically at speeds from approximately 20 mph (30 km/h) to approximately 124 mph (200 km/h). Due to the nature of the system, particularly complicated driving conditions may cause unnecessary warnings or the unnecessary intervention of PRE-SAFE® Brake. To stop the braking action, you can either depress the accelerator pedal further, activate kickdown or release the brake pedal. The braking action of PRE-SAFE® Brake is ended automatically if: Ryour speed drops below approximately

9 mph (15 km/h).

Ryou maneuver to avoid the obstacle. Rthere is no longer any danger of a rear-end

collision.

Rthere is no longer an obstacle detected in

front of your vehicle.

i USA only: this device has been approved by the FCC as a "Vehicular Radar System". The radar sensor is intended for use in an automotive radar system only. Removal, tampering, or altering of the device will void any warranties, and is not permitted by the FCC. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user's authority to operate the equipment.

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. Removal, tampering, or altering of the device will void any warranties, and is not permitted. Do not tamper with, alter, or use in any non-approved way. Any unauthorized modification to this device could void the user's authority to operate the equipment.

With the help of the radar sensor system, PRE-SAFE® Brake can detect obstacles that are in front of your vehicle for an extended period of time. At speeds up to approximately 40 mph (70 km/h), PRE-SAFE® Brake can also react to stationary obstacles, for example stopped or parked vehicles. If you approach an obstacle and PRE-SAFE® Brake detects a risk of collision, the system will initially alert you both visually and acoustically. If you do not brake or take evasive action, the system will warn you by automatically braking the vehicle gently. If the risk of collision remains and you do not brake, take evasive action or accelerate significantly, the vehicle may perform automatic emergency braking. Automatic emergency braking is not performed until immediately prior to an accident that can no longer be avoided. G WARNING Even if PRE-SAFE® Brake slows the vehicle before an imminent rear-end collision, the system cannot avert a collision without the intervention of the driver. There is a risk of an accident. Brake according to the situation or take evasive action. Delayed intervention by the driver can lead to an accident. G WARNING PRE-SAFE® Brake cannot always detect complex traffic situations properly.

64

Theft deterrent locking systems

In these cases, PRE-SAFE(R) Brake may: Rgive an unnecessary warning and then

brake the vehicle

Rneither give a warning nor intervene There is a risk of an accident. Always pay particular attention to the traffic situation and be ready to brake, especially if PRE-SAFE(R) Brake warns you. Terminate the intervention in a non-critical driving situation.

In particular, the detection of obstacles can be impaired if there is: Rdirt on the sensors or anything else

covering the sensors

Rsnow or heavy rain Rinterference by other radar sources Rthe possibility of strong radar reflections,

for example in parking garages

Ra narrow vehicle traveling in front, e.g. a

motorbike

Ra vehicle traveling in front on a different line G WARNING PRE-SAFE® Brake does not react: Rto people or animals Rto oncoming vehicles Rto crossing traffic Rin curves As a result, PRE-SAFE® Brake cannot intervene in critical situations. There is a risk of an accident. Always pay careful attention to the traffic situation and be ready to brake.

In order to maintain the appropriate distance to the vehicle in front and thus prevent a collision, you must apply the brakes yourself. X To activate/deactivate: activate or

deactivate PRE-SAFE® Brake in the on- board computer (Y page 193). The Ä symbol appears in the multifunction display as long as the HOLD function is not activated (Y page 159). On vehicles with Parking Guidance, the Ä symbol is displayed when

transmission position P is selected or if you drive faster than 22 mph (35 km/h).

For PRE-SAFE® Brake to assist you when driving, the radar sensor system must be switched on (Y page 196) and operational. Following damage to the front end of the vehicle, have the configuration and operation of the radar sensors checked at a qualified specialist workshop. This also applies to collisions at low speeds where there is no visible damage to the front of the vehicle.

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 trunk lid Rthe hood

Theft deterrent locking systems

65

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.

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.

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 15
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.

66

Useful information .............................. 68
SmartKey ............................................. 68
Doors .................................................... 75
Trunk .................................................... 78
Side windows ...................................... 81
Sliding sunroof .................................... 84

67

68

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 23).

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 SmartKey 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 SmartKey that is inserted in the ignition.

General notes 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 72). X Unlock the driver's door using the

mechanical key (Y page 77).

X Lock the vehicle using the mechanical key

(Y page 77).

X Have the starter battery and the battery contacts checked at a qualified specialist workshop.

If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.

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 trunk lid Rthe fuel filler flap

: & Locks the vehicle ; F Unlocks the trunk lid = % Unlocks the vehicle When unlocking, the turn signals flash once. When locking, they flash three times.

SmartKey

69

When it is dark, the surround lighting also comes on if it is activated in the on-board computer (Y page 195). If you activate the acoustic locking confirmation function, you will hear the following, depending on the date of production of the vehicle: Ran acoustic signal when locking

or

Rone acoustic signal when unlocking and

three when locking.

The audible signal can be activated and deactivated using the on-board computer (Y page 196). 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:

70

SmartKey

This device complies with RSS-210 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.

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 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 - when the engine is running, the red Key Not Detected message appears 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: touch sensor

surface :.

X Convenience closing feature: touch

recessed sensor surface ; for an extended period (Y page 83).

If you pull on the handle of the trunk lid, only the trunk 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 72) 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. 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 front-passenger door handle. X To lock centrally: touch the outer sensor

surface on one of the door handles.

SmartKey

71

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 locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid, the anti-theft alarm system will be triggered (Y page 64). 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.

If you unlock the vehicle using the mechanical key, the fuel filler flap will not be unlocked automatically. X To unlock the fuel filler flap: insert the

SmartKey in the ignition lock.

72

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.

X Press the & or % button.

The battery is working properly if battery check lamp : lights up briefly

If battery check lamp : does not light up briefly during the test, the battery is discharged. X Changing the battery (Y page 72) i You can obtain the battery at a qualified

specialist workshop.

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 71).

SmartKey battery Important safety notes Have the batteries changed at a qualified specialist workshop. G WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries out of the reach of children. Seek medical attention immediately if a battery is swallowed. 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 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

73

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.

74

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 (Y page 72) and replace it if

necessary (Y page 72).

the mechanical key.

X Lock (Y page 77) or unlock (Y page 77) the vehicle using

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

The SmartKey is faulty. X Lock (Y page 77) or unlock (Y page 77) the vehicle using

the mechanical key.

X Have the SmartKey checked at a qualified specialist workshop. 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 (Y page 72) and replace it if

necessary (Y page 72).

the mechanical key.

X Lock (Y page 77) or unlock (Y page 77) the vehicle using

You have lost a SmartKey.

X Have the SmartKey deactivated at a qualified specialist

workshop.

You have lost the mechanical key.

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

Doors

75

Problem The engine cannot be started using the SmartKey.

Possible causes/consequences and M Solutions 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 284).

or X Jump-start the vehicle (Y page 287). or X Consult a qualified specialist workshop. The steering lock is mechanically blocked. X Remove the SmartKey and reinsert it into the ignition lock. While

doing this, turn the steering wheel in both directions.

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 the SmartKey.

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 trunk unless they are firmly secured in place.

76 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

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.

Unlocking and opening doors from inside You can open a door from inside the vehicle even if it has been locked. 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 64).

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.

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

If the front-passenger door is closed, the vehicle locks.

You can open a 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 door is opened from the inside

Rand the SmartKey is set to an individual

setting, only the 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.

X To deactivate: press and hold button : for about five seconds until a tone sounds. X To activate: press and hold button ; for

about five seconds until a tone sounds. i If you press one of the two buttons and do not hear a tone, the relevant setting has already been selected.

You can also switch the automatic locking function on and off using the on-board computer (Y page 196).

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 64). X Take the mechanical key out of the

SmartKey (Y page 71).

X Insert the mechanical key into the lock of

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

Doors

77

X Turn the mechanical key counterclockwise

to position 1. The door is unlocked.

X Turn the mechanical key back and remove

it.

X Insert the mechanical key into the

SmartKey.

Locking the vehicle (mechanical key) If the vehicle can no longer be locked with the SmartKey, use the mechanical key. X Open the driver's door. X Close the front-passenger door and the

trunk lid.

X Press the locking button (Y page 76). X Check whether the locking knob on the

front-passenger door is still visible. Press down the locking knob by hand, if necessary.

X Close the driver's door. X Take the mechanical key out of the

SmartKey (Y page 71).

X Insert the mechanical key into the lock of

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

78

Trunk

X Turn the mechanical key clockwise as far

as it will go to position 1.

X Turn the mechanical key back and remove

it.

X Make sure that the doors and the trunk lid

are locked.

X Insert the mechanical key into the

SmartKey.

i If you lock the vehicle as described above,

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

Trunk Important safety notes Do not leave the SmartKey in the trunk. You could otherwise lock yourself out. 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 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 G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in unconsciousness and death.

! The trunk lid swings upwards when

opened. Therefore, make sure that there is sufficient clearance above the trunk lid.

To open the trunk lid completely, a minimum clearance of 5.58 ft (1.70 m) above the ground is necessary. The trunk lid can be: Ropened and closed manually from outside Ropened automatically from outside Ropened automatically from inside Rlocked separately

Runlocked with the mechanical key Ropened with the emergency release button

Opening and closing manually Opening X Press the % button on the SmartKey.

X Pull handle :. X Raise the trunk lid.

Closing G WARNING To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around.

X Pull the trunk lid down using recess :. X If necessary, lock the vehicle with the & button on the SmartKey

Trunk

79

(Y page 68) or with KEYLESS-GO (Y page 69).

i If a KEYLESS-GO key is detected in the trunk, the trunk lid cannot be locked and then opens again.

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

! The trunk lid swings upwards when

opened. Therefore, make sure that there is sufficient clearance above the trunk lid.

To open the trunk lid completely, a minimum clearance of 5.58 ft (1.70 m) above the ground is necessary.

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

SmartKey until the trunk lid opens.

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

Opening automatically from the inside G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in unconsciousness and death.

80

Trunk

You can open the trunk lid from the driver's seat when the vehicle is stationary and unlocked.

Unlocking the trunk (mechanical key) ! The trunk lid swings upwards when

opened. Therefore, make sure that there is sufficient clearance above the trunk lid.

If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the mechanical key. If you use the mechanical key to unlock and open the trunk lid, the anti-theft alarm system will be triggered (Y page 64). X Take the mechanical key out of the

SmartKey (Y page 71).

X Insert the mechanical key into the trunk lid

lock as far as the stop.

X Turn the mechanical key counter-clockwise

from position 1 as far as it will go to position 2. The trunk is unlocked.

X Turn the mechanical key back to position

1 and remove it.

X Insert the mechanical key into the

SmartKey.

Trunk emergency release You can open the trunk lid from inside the vehicle with the emergency release button.

X To open: pull remote operating switch for

trunk lid : until the trunk lid opens.

Locking the trunk separately You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened. X Close the trunk lid. X Take the mechanical key out of the

SmartKey (Y page 71).

X Insert the mechanical key into the trunk lid

lock as far as the stop.

X Turn the mechanical key clockwise from

position 1 to position 2. X Remove the mechanical key. X Insert the mechanical key into the

SmartKey.

Side windows

81

The closing of the door windows can be immediately halted by releasing the switch or, if the switch was pulled past the resistance point and released, by pressing or pulling the respective switch. If a door window encounters an obstruction that blocks its path in a circumstance where you are closing the windows by pressing and holding & button on the SmartKey or by pressing and holding the lock button (vehicles with KEYLESS-GO) on an outside door handle, the anti-entrapment feature will not operate. G WARNING Do not keep any part of your body up against the window pane when opening a window. The downward motion of the pane may pull that part of your body down between the window pane and the door frame and trap it there. If there is a risk of entrapment, release the switch and pull it to close the window.