2011 Mercedes-benz GL Class Owners Manual

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restraint cushion and the rear cover of the head restraint.

X Push resetting tool : downwards until you

hear the head restraint deployment mechanism engage.

X Pull out resetting tool :. X Firmly press back the NECK-PRO luxury

head restraint cushion until it engages =.

X Repeat this procedure for the second

NECK-PRO luxury head restraint.

X Replace resetting tool : into the vehicle

document wallet.

Seat belts Important safety notes The use of infant or child restraint systems is required by law in all 50 states, the District of Columbia, the U.S. territories and all Canadian provinces. Even if this is not the case, all vehicle occupants should have their seat belts fastened when the vehicle is in motion. i See "Children in the vehicle"

(Y page 59) for further information on infants and children traveling in the vehicle as well as on child restraint systems. G Warning! Always fasten your seat belt before driving off. Always make sure all of your passengers are properly restrained. You and your passengers should always wear seat belts. Failure to wear and properly fasten and position your seat belt greatly increases your risk of injuries and their likely severity in an accident. If you are ever in an accident, your injuries can be considerably more severe without your seat belt properly buckled. Without your seat belt buckled, you are much more likely to hit the interior of the vehicle or be ejected from it. You can be seriously injured or killed.

X Tilt the top of the NECK-PRO head restraint

cushion forwards in the direction of arrow :.

X Push the NECK-PRO head restraint cushion down as far as it will go in the direction of arrow ;.

X Firmly push the NECK-PRO head restraint

cushion backwards in the direction of arrow = until it engages.

X Repeat this procedure for the second

NECK-PRO head restraint.

NECK-PRO luxury head restraints i If you have difficulty resetting the NECK- PRO luxury head restraints, have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.

X Remove the resetting tool : from the

vehicle document wallet.

X Insert resetting tool : into guide ; between the NECK-PRO luxury head

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In the same crash, the possibility of injury or death is lessened if you are properly wearing your seat belt. The air bags can only protect as intended if the occupants are properly wearing their seat belts. G Warning Never ride in a moving vehicle with the seat backrest in an excessively reclined position as this can be dangerous. You could slide under the seat belt in a collision. If you slide under it, the seat belt would apply force at the abdomen or neck. That could cause serious or even fatal injuries. The seat backrest and seat belt provide the best restraint when the wearer is in a position that is as upright as possible and the seat belt is properly positioned on the body. G Warning Never let more people ride in the vehicle than there are seat belts available. Make sure everyone riding in the vehicle is correctly restrained with a separate seat belt. Never use a seat belt for more than one person at a time. G Warning Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced and their anchoring points must also be checked. Only use seat belts which have been approved by Mercedes-Benz. Do not make any modifications to the seat belts. This can lead to unintended activation of the ETDs or to their failure to activate when necessary. Do not bleach or dye seat belts as this may severely weaken them. In a crash they may not be able to provide adequate protection. Have all work carried out only by qualified technicians. Contact an authorized Mercedes-Benz Center.

Correct use of the seat belt G Warning USE SEAT BELTS PROPERLY RSeat belts can only protect when used

properly. Never wear seat belts in any other way than as described in this section, as that could result in serious injuries in case of an accident.

REach occupant should wear their seat belt at all times, because seat belts help reduce the likelihood of and potential severity of injuries in accidents, including rollovers. The integrated restraint system includes SRS (driver's front air bag, driver side knee bag, front-passenger front air bag, side impact air bags, window curtain air bags for door windows), Emergency Tensioning Devices, seat belt force limiters, and front seat knee bolsters. The system is designed to enhance the protection offered to properly belted occupants in certain frontal (front air bags, driver's side knee bag and ETDs) and side (side impact air bags, window curtain air bags, and ETDs) impacts which exceed preset deployment thresholds and in certain rollovers (window curtain air bags and ETDs).

RNever wear the shoulder belt under your

arm, against your neck or off your shoulder. In a frontal crash, your body would move too far forward. That would increase the chance of head and neck injuries. The seat belt would also apply too much force to the ribs or abdomen, which could severely injure internal organs such as your liver or spleen. Adjust the seat belt so that the shoulder section is located as close as possible to the middle of the shoulder. It should not touch the neck. Never pass the shoulder portion of the seat belt under your arm. For this purpose, you can adjust the height of the seat belt outlet.

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RPosition the lap belt as low as possible on your hips and not across the abdomen. If the lap belt is positioned across your abdomen, it could cause serious injuries in a crash.

RNever wear seat belts over rigid or

breakable objects in or on your clothing, such as eyeglasses, pens, keys etc., as these might cause injuries.

RMake sure the seat belt is always routed

snugly. Take special care of this when wearing loose clothing.

RNever use a seat belt for more than one

person at a time. Do not fasten a seat belt around a person and another person or other objects at the same time.

RSeat belts should not be worn twisted. In a crash, you would not have the full width of the seat belt to distribute impact forces. The twisted seat belt against your body could cause injuries.

RPregnant women should also always use a

lap-shoulder belt. The lap belt portion should be positioned as low as possible on the hips to avoid any possible pressure on the abdomen.

RPlace the seat backrest in a position that is

as upright as possible.

RCheck your seat belt during travel to make

sure it is properly positioned.

RNever place your feet on the instrument panel, dashboard, or on the seat. Always keep both feet on the floor in front of the seat.

RWhen using a seat belt to secure infant

restraints, toddler restraints, or children in booster seats, always follow the child seat manufacturer's instructions. G Warning Do not pass seat belts over sharp edges. They could tear. Do not allow the seat belt to get caught in the door or in the seat adjustment mechanism. This could damage the seat belt.

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Never attempt to make modifications to seat belts. This could impair the effectiveness of the seat belts.

Fastening seat belts G Warning According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. Thus, we strongly recommend that children be placed in the rear seat whenever possible. Regardless of seating position, children 12
years old and under must be seated and properly secured in an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. For additional information, see the "Children in the vehicle" section. 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. G Warning Canada 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 properly. 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 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.

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For more information about releasing the seat belt with release button ?, see "Releasing seat belts" (Y page 57).

Seat belt adjustment The belt adjustment function adjusts the driver's and front-passenger seat belt to the upper body of the occupants. The belt strap is tightened slightly when: Ryou engage the belt tongue in the belt

buckle and you then turn the SmartKey to position 2 in the ignition lock.

Rthe SmartKey is in position 2 in the ignition lock and you then engage the belt tongue in the buckle.

The seat-belt adjustment will apply a certain tightening force if any slack is detected between the occupant and the seat belt. Do not hold on to the seat belt tightly while it is adjusting. You can switch the belt adjustment on and off in the on-board computer (Y page 225).

Seat belt outlet height adjustment You can adjust the seat belt height on the driver's seat and the front-passenger seat.

X Adjust the seat and move the backrest to

an almost vertical position (Y page 94). X Pull the seat belt smoothly through belt

sash guide :.

X Without twisting it, place the shoulder

section of the seat belt over the center of the shoulder and the lap section across the hips.

X Engage belt tongue ; in buckle =.

Seat belt adjustment: if necessary, the driver's and front-passenger seat belts automatically adjust to the upper body (Y page 56).

X If necessary, adjust the seat belt to the

appropriate height (Y page 56).

X If necessary, pull upwards on the shoulder section of the seat belt to tighten the belt across your body.

All seat belts in the vehicle, except the driver's seat belt, are equipped with a special seat belt retractor to secure child restraint systems properly. For further information on "Special seat belt retractors", see (Y page 61).

Adjust the belt to a height that allows the upper part of the seat belt to be routed across the center of your shoulder. X To raise: slide the belt sash guide upwards.

The belt sash guide engages in various positions.

X To lower: press and hold belt sash guide

release :.

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X Slide the belt sash guide downwards. X Release belt sash guide release : and make sure that the belt sash guide has engaged.

Releasing seat belts X Press release button ?(Y page 55) and

guide belt tongue ;(Y page 55) back towards belt sash guide :(Y page 55).

! Make sure that the seat belt is fully rolled up. Otherwise, the seat belt or belt tongue will be trapped in the door or in the seat mechanism. This could damage the door, the door trim panel and the seat belt. Damaged seat belts can no longer fulfill their protective function and must be replaced. Consult an authorized Mercedes- Benz Center.

Belt warning for driver and front passenger Regardless of whether the driver's and front- passenger seat belts have already been fastened, the 7 seat belt warning lamp lights up for six seconds each time the engine is started. It then goes out once the driver and the front passenger have fastened their seat belts. If the driver's seat belt is not fastened after the engine is started, an additional warning tone will sound. The warning tone goes out after approximately six seconds or once the driver's seat belt is fastened. If after six seconds the driver or front- passenger have not fastened their seat belts and the doors are closed: Rthe 7 seat belt warning lamp remains illuminated as long as either the driver's or front-passenger seat belt is not fastened. Rif the vehicle speed once exceeds 15 mph

(25 km/h), the 7 seat belt warning lamp lights up. Additionally, a warning tone will sound with increasing intensity for a maximum of 60 seconds or until the

driver's and front-passenger seat belt are fastened.

If the driver/front passenger unfasten their seat belt while the vehicle is in motion, the 7 seat belt warning lamp lights up and a warning tone sounds again. The warning tone ceases even if the driver or front passenger have still not fastened their seat belt after 60 seconds. The 7 seat belt warning lamp stops flashing but continues to be illuminated. After the vehicle has come to a standstill, the warning tone is reactivated and the 7 seat belt warning lamp flashes again if the vehicle speed has exceeded 15 mph (25 km/h). The 7 seat belt warning lamp only goes out if: Rboth the driver and the front passenger

have fastened their seat belts

or Rthe vehicle is stationary and a door is open i For more information on the 7 seat

belt warning lamp, see "Indicator and warning lamps in the instrument cluster, seat belt" (Y page 255).

Emergency Tensioning Devices and seat belt force limiters The seat belts for the front seats are equipped with ETDs/belt buckle tensioners and seat belt force limiters. The outer seat belts in the second row of seats are equipped with ETDs and belt force limiters. The seat belts for the third row of seats are equipped with ETDs. ! 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.

ETDs/belt buckle tensioners tighten the seat belts in an accident, pulling them close against the body.

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in rare cases will the bang affect your hearing. The powder that is released generally does not constitute a health hazard. The + SRS warning lamp lights up. i If the belt buckle tensioners have been

triggered on the front seats, the buckle will be pulled down and will be almost flush with the upper edge of the seat. The + SRS 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.

ETDs/belt buckle tensioners do not correct incorrect seat positions or incorrectly fastened seat belts. ETDs do not pull vehicle occupants back towards the backrest. Seat belt force limiters, when activated, are employed to help reduce the force exerted by the seat belts on occupants during a crash. The front belt force limiters are synchronized with the front air bags, which take on a part of the deceleration force. Thus, the force exerted on the occupant is distributed over a greater area. The ETDs/belt buckle tensioners can only be activated when: Rthe ignition is switched on Rthe restraint systems are operational; see

"SRS warning lamp" (Y page 36)

Rthe belt tongue is engaged in the buckle on

each of the three-point seat belts in the front

Rthe front-passenger seat is occupied and the belt tongue is engaged in the buckle on the front-passenger side.

The ETDs on the outside seats in the second row and on the seats in the third row are triggered independently of the lock status of the seat belts. The ETDs are triggered depending on the type and severity of an accident: Rin the event of a head-on or rear-end collision if the vehicle decelerates or accelerates rapidly in a longitudinal direction during the initial stages of the impact

Rin the event of a side impact, on the side

opposite the impact if the vehicle decelerates or accelerates rapidly in a lateral direction

Rin certain situations if the vehicle overturns

and the system determines that it can provide additional protection.

If the ETDs/belt buckle tensioners are triggered, you will hear a bang and a small amount of powder may also be released. Only

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Children in the vehicle 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. 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

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

restraint system appropriate to the age and weight of the child.

X Make sure that the infant or child is

properly secured at all times while the vehicle is in motion.

Child restraint systems Important safety notes G Warning Observe "Important safety instructions" (Y page 59). We recommend all infants and children be properly restrained using the child restraint systems at all times while the vehicle is in motion. The use of infant or child restraints is required by law in all 50 states, the District of Columbia, the U.S. territories and all Canadian provinces. Infants and small children should always be seated in an infant or child seat restraint system appropriate for the size and weight of the child. They must be properly secured in accordance with the manufacturer's installation instructions for the infant or child seat restraint system. All infant and child seat restraint systems must comply with the US Federal Motor Vehicle Safety Standards 213
and 225 and Canadian Motor Vehicle Safety Standards 213 and 210.2. A statement by the child restraint manufacturer of compliance with these standards can be found on the instruction label on the child restraint system. You will also find the statement in the instruction manual provided with the child restraint system. When using an infant restraint system, child restraint system or booster seat, make sure to carefully read and follow all manufacturer's instructions for installation and use.

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Children in the vehicle

Please read the warning labels affixed to the interior of the vehicle or to the infant restraint system or child restraint system. G Warning According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. Thus, we strongly recommend that children be placed in the rear seats whenever possible. Regardless of seating position, children 12
years old and under must be seated and properly secured in an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. The infant or child restraint system must be properly secured with the vehicle's seat belt, the seat belt and Top Tether strap, or lower anchors and Top Tether strap, fully in accordance with the child seat manufacturer's instructions. Occupants, especially children, should always sit as upright as possible, wear the seat belt properly and use an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. Children can be killed or seriously injured by an inflating air bag. Note the following important information when circumstances require you to place a child in 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: Children that weigh more than a

typical 12-month old child, the front- passenger front air bag may be activated/ 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 installed correctly. If the front-passenger front air bag is deployed, the child could be killed when it inflates in a crash. This could lead to serious or fatal injury.

RA child in a rear-facing child restraint on the passenger seat will be seriously injured or even killed if the 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 means to eliminate this risk completely is never to place a child in a rear-facing child restraint in the front seat. We therefore strongly recommend that you always place a child in a rear-facing child restraint on the 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. Should the 42
indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 42 indicator lamp while driving to make sure that the 42 indicator lamp is illuminated. If the 42 indicator

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lamp goes out or remains out, do not transport a child on the passenger seat until the system has been repaired. A child in a rear-facing child restraint on the passenger seat will be seriously injured or even killed if the passenger front air bag inflates.

RIf you place a child in a forward-facing child

restraint on the passenger seat: - move the seat as far back as possible - use the proper child restraint

recommended for the age, size and weight of the child

- secure child restraint with the vehicle's

seat belt according to the child seat manufacturer's instructions

RFor children larger than the typical 12-

month-old child, the passenger front air bag may or may not be activated. 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.

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Special seat belt retractor G Warning Observe "Important safety instructions" (Y page 59). All seat belts in the vehicle, except the driver's seat belt, are equipped with a special seat belt retractor. The activated special seat belt retractor ensures that the seat belt cannot slacken after being fastened. 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 activated.

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.

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LATCH-type child restraint (ISOFIX) in the rear G Warning Observe "Important safety instructions" (Y page 59). G Warning 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. 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.

ISOFIX is a standardized securing system for specially-designed child restraint systems on the rear seats. Securing rings for two 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

Install child restraint systems without the ISOFIX securing system using the vehicle's seat belts. Follow the manufacturer's instructions for installation of child restraint systems.

! 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 ISOFIX child restraint system.

Comply with the manufacturer's instructions when installing the ISOFIX child restraint system.

Top Tether G Warning Observe "Important safety instructions" (Y page 59). 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

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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. That 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 in 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.

X Remove respective covering cap : of the

Top Tether anchorage.

X Move the head restraint upwards. X Install the 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 ? downwards

between the cargo compartment cover and 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 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 98). Make sure that you do not interfere with the correct routing of Top Tether belt ?.

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Panic alarm

Child-proof locks Child-proof locks for the rear doors G Warning Observe "Important safety instructions" (Y page 59). 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.

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.

X To activate/deactivate: press switch :. Switch : engages or extends. If the switch is pushed in, it is only possible to operate the side windows in the rear using the switches on the driver's door.

Panic alarm

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 Observe "Important safety instructions" (Y page 59).

X To activate: press and hold !

button : for about 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.

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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 the part 15 of the FCC regulations. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. This device must withstand 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.

i Canada only:

This device complies with the RSS-210
regulations of Industry Canada. Operation is subject to the following two conditions: 1. This device may not cause interference, and 2. This device must withstand 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.

Driving safety systems Overview of driving safety systems 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-power Distribution)

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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 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 information G Warning Observe "Important safety instructions" (Y page 65).

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G Warning! Do not pump the brake pedal. Use firm, steady brake pedal pressure instead. Pumping the brake pedal reduces the braking effect.

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. 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. 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 pulsating brake pedal can be an indication of hazardous road conditions and functions as a reminder to take extra care while driving.

Off-road ABS An ABS system specifically suited to off-road terrain is activated automatically if the off- road drive program (Y page 204) is activated

or the LOW RANGE off-road gear (Y page 157) is selected. At a speed 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) G Warning Observe "Important safety instructions" (Y page 65). 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 G Warning Observe "Important safety instructions" (Y page 65).

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

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slippery roads. ESP® can also stabilize the vehicle during braking. If ESP® intervenes, the d warning lamp flashes in the instrument cluster. G Warning Never switch off the ESP® when you see the d warning lamp flashing in the instrument cluster. In this case proceed as follows: RWhen driving off, apply as little throttle as

possible.

RWhile driving, ease up on the accelerator

pedal.

RAdapt your speed and driving style to the

prevailing road conditions.

Failure to observe these guidelines could cause the vehicle to skid. The 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.

4ETS (Electronic Traction System) G Warning Observe "Important safety instructions" (Y page 65).

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, even if you deactivate ESP®. X Activate the off-road drive program

(Y page 204) or engage the LOW RANGE off-road gear (Y page 157) if appropriate for the driving conditions.

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 204) or the LOW RANGE off-road gear (Y page 157) is selected.

Deactivating/activating ESP® G Warning The ESP® should not be switched off during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do not switch off the ESP® when a spare wheel is mounted.

ESP® is activated automatically when the engine is running. It may be best to deactivate ESP® in the following situations: Rwhen using snow chains Rin deep snow Ron sand or gravel G Warning! Activate ESP® as soon as the situations described above no longer apply. ESP® will otherwise not be able to stabilize the vehicle if the vehicle starts to skid or a wheel starts to spin.

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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 d warning lamp in the instrument cluster flashes. In such situations, ESP® will not stabilize the vehicle.

X To deactivate: press button :.

The d warning lamp in the instrument cluster lights up. G Warning When the d ESP® warning lamp is illuminated continuously, the ESP® is switched off or is not operational due to a malfunction. Vehicle stability in standard driving maneuvers is reduced. Adapt your speed and driving style to the prevailing road conditions and to the non- operating status of the ESP®.

! Avoid spinning a drive wheel for an

extended period with ESP switched off. This could cause serious damage to the drive train.

X To activate: press button :.

The d 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 204)or if the LOW RANGE off-road gear (Y page 157) is selected. It intervenes with a delay if there is oversteering or understeering, thus improving traction.

ESP® trailer stabilization If your trailer 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 trailer 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 above 40 mph (65 km/h). 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 disabled because of a malfunction.

EBD G Warning Observe "Important safety instructions" (Y page 65).

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EBD monitors and controls the brake pressure on the rear wheels to improve driving stability while braking. G Warning! If the EBD malfunctions, the brake system will still function with full brake boost. However, the rear wheels could lock up during emergency braking situations, for example. You could lose control of the vehicle and cause an accident. Adapt your driving style to the changed driving characteristics.

Distance warning function (vehicles with DISTRONIC) This function warns you 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 approaching the vehicle in front rapidly. An intermittent warning tone will then sound and the · distance warning lamp in the instrument cluster will light up. 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.

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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 226). After activation, the Ä symbol is displayed in the lower multifunction display.

Anti-theft 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

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i Unless you open a door or the trunk lid

within 40 seconds after unlocking the vehicle: Rthe vehicle will be locked again. Rthe anti-theft alarm system will be re-

armed.

X To stop the alarm using the SmartKey:

insert the key into the ignition lock. The alarm is switched off.

or X Press the % or & button on the key.

The alarm is switched off.

X To stop the alarm using KEYLESS-GO: grasp the outside door handle. The key must be outside the vehicle. The alarm is switched off.

or X Press the Start/Stop button on the

dashboard. The key 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 mobile phone, power supply and GPS

necessary are available

X To arm: lock the vehicle with the SmartKey

or KEYLESS-GO. The turn signal lamps flash three times to indicate that the vehicle is locked. Indicator lamp : flashes to indicate that the alarm system is armed.

i If the turn signal lamps do not flash three

times, a door or the tailgate may not be properly closed. It may be necessary to close the affected door or the tailgate.

X To deactivate: unlock the vehicle using the

key or KEYLESS-GO. The turn signal lamps flash once to indicate that the anti-theft alarm system is switched off.

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Vehicle equipment .............................. 72
SmartKey ............................................. 72
Doors .................................................... 78
Cargo compartment ............................ 80
Side windows ...................................... 84
Sliding sunroof .................................... 88

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Vehicle equipment

i This manual describes all the standard and optional equipment of your vehicle which was available at the time of purchase. Country-specific differences are possible. Bear in mind that your vehicle may not feature all functions described here. This also refers to safety-related systems and functions.

SmartKey Important safety notes G Warning! When leaving the vehicle, always remove the SmartKey from the starter switch. 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 starter switch 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 by 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

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

replace it if necessary (Y page 76). X Unlock the driver's door using the

mechanical key (Y page 75).

X Lock the vehicle using the mechanical key

(Y page 75).

X Have the vehicle battery and battery contacts checked by 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 regulations. Operation is subject to the following conditions: 1. This device must not cause any harmful interference, and 2. This device must be able to accommodate interference that is

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received, including interference which could cause unwanted functions. Unapproved modifications to this device may lead to withdrawal of permission to operate it.

i Canada only:

This device complies with Industry Canada's RSS–210 regulations. Operation is subject to the following conditions: 1. This device must not cause any harmful interference, and 2. This device must be able to accommodate interference that is received, including interference which could cause unwanted functions. Unapproved modifications to this device may lead to withdrawal of permission to operate it.

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

: & To lock the vehicle ; F To open/close the tailgate = % To unlock the vehicle When unlocking, the turn signals flash once. When locking, they flash three times. When it is dark, the surround lighting also comes on if it is activated in the on-board computer.

X To unlock centrally: press the %

button.

If you do not open a door or the tailgate within approximately 40 seconds of unlocking the vehicle: 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 regulations. Operation is subject to the following conditions: 1. This device must not cause any harmful interference, and 2. This device must be able to accommodate interference that is received, including interference which could cause unwanted functions. Unapproved modifications to this device may lead to withdrawal of permission to operate it.

i Canada only:

This device complies with Industry Canada's RSS–210 regulations. Operation is subject to the following conditions: 1. This device must not cause any harmful interference, and 2. This device must be able to accommodate interference that is received, including interference which could cause unwanted functions. Unapproved modifications to this device may lead to withdrawal of permission to operate it.

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passenger seat, for example, or in your shirt pocket.

RIf you have switched on the engine with the

Start/Stop button, you can switch it off again by: - pressing the Start/Stop button

inserting the KEYLESS-GO key into the ignition lock while the vehicle is at a standstill and the automatic transmission is in park position P.

RYou may inadvertently unlock the vehicle if the KEYLESS-GO key is less than 3 ft (1 m) from the vehicle and: - an exterior door handle is hit by a jet of

water, or

- you clean an exterior door handle

RPlease note that any vehicle occupant can start the engine when there is a KEYLESS- GO key in the vehicle. Scenario 1: There is a KEYLESS-GO key in the vehicle and a second one outside the vehicle. If you leave the KEYLESS-GO key in the vehicle when you leave and lock the vehicle, no message appears in the multifunction display. Scenario 2: There is a KEYLESS-GO key in the vehicle, but none outside the vehicle. If you get out of the vehicle and attempt to lock it, the Key Detected In Vehicle message appears in the multifunction display. The vehicle is not then locked.

When starting the engine and whilst driving, KEYLESS-GO also checks whether a valid SmartKey is in the vehicle by periodically establishing radio contact.

Important information about using KEYLESS-GO RYou can use the KEYLESS-GO key as a

conventional SmartKey.

RYou can combine KEYLESS-GO functions

with those of a conventional SmartKey, e.g. you can open the vehicle with KEYLESS-GO and close it with the & button.

RAlways carry your KEYLESS-GO key on your

person.

RNever store the KEYLESS-GO key together

with: - electronic devices, such as a mobile

phone or other SmartKey

- metal objects, such as coins or metal foil Doing so may impair the function of KEYLESS-GO.

RTo open or close the vehicle, the KEYLESS- GO key should not be more than 3 ft (1 m) from the door or tailgate.

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

RIf the KEYLESS-GO key is removed from the

vehicle, the system may not be able to recognize the SmartKey anymore. The vehicle can then no longer be locked or started with KEYLESS-GO.

RIf the KEYLESS-GO key has been removed from the vehicle, e.g. when another vehicle occupant with a KEYLESS-GO key leaves the vehicle: - when the Start/Stop button is pressed, or when trying to lock the vehicle using the locking button on the outside 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. Look for the KEYLESS-GO key and place it somewhere else in the vehicle. Place the KEYLESS-GO key on the front-

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X To unlock the vehicle: touch the inner

surface of the door handle.

X To lock the vehicle: press locking

button :.

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 76) flashes twice.

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 door handle on the front- passenger door or the rear door. X To lock centrally: press 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 69). There are several ways to turn off the alarm: X Press the % or & button on the

SmartKey.

or X Insert the SmartKey into the ignition lock. or X 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.

Removing the mechanical key

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.

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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.

Checking the battery

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

SmartKey (Y page 75).

X Press mechanical key ; into the opening

in the SmartKey in the direction of the arrow until battery tray cover : opens. Do not hold the cover closed while doing so.

X Press the & or % button.

The SmartKey battery is working properly if battery charge indicator lamp : lights up briefly.

If battery charge indicator lamp : does not light up briefly during the test, the SmartKey battery is discharged. X Replace the SmartKey battery

(Y page 76).

i You can obtain a SmartKey battery at any

authorized Mercedes-Benz Center.

i If the SmartKey battery is checked within

signal range of the vehicle, pressing the & or % button results in the vehicle being locked or unlocked respectively.