2006 Mercedes-benz R Class Owners Manual

illuminated, the front passenger front air bag is activated and will be deployed: 앫 in the event of certain frontal impacts 앫 if impact exceeds a preset deployment

threshold

앫 independently of the side impact air

bags.

If the front passenger front air bag is de- ployed, the rate of inflation will be influ- enced by 앫 the rate of relevant vehicle deceleration as assessed by the air bag control unit 앫 the front passenger’s weight category as identified by the Occupant Classifica- tion System (OCS)

Warning!

According to accident statistics, children are safer when properly restrained in the rear seating positions than in the front seat- ing position. 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 appropriate infant or child restraint recom- mended for the size and weight of the child.

The infant or child restraint 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 instruc- tions.

Safety and Security Occupant safety

Children can be killed or seriously injured by an inflating air bag. Note the following im- portant information when circumstances re- quire you to place a child in the front passenger seat: 앫 Your vehicle is equipped with air bag

technology designed to turn off the front passenger front air bag in your vehicle when the system senses the weight of a typical 12-month-old child or less along with the weight of a standard appropri- ate child restraint on the front passen- ger seat.

앫 A child in a rear-facing child restraint on the front passenger seat will be serious- ly injured or even killed if the front pas- senger front air bag inflates in a collision which could occur under some circum- stances, even with the air bag technolo- gy. The only means to completely eliminate this risk is to never 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 in the back seat.

컄컄

87

Safety and Security Occupant safety

컄컄

앫 If you must install a rear-facing child restraint on the front passenger seat because circumstances require you to do so, make sure that the 59 indicator lamp is illumi- nated, indicating that the front passen- ger front air bag is deactivated. Should the 59 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Peri- odically check the 59 indi- cator lamp while driving to make sure the 59 indicator lamp is il- luminated. If the 59 indica- tor lamp goes out or remains out, do not transport a child on the front passenger seat until the system has been repaired. A child in a rear-facing child restraint on the front passenger seat will be serious- ly injured or even killed if the front pas- senger front air bag inflates.

앫 If you have to place a child in a

forward-facing child restraint on the front 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, and se- cure child restraint with the vehicle’s seat belt according to the child seat manufacturer’s instructions. For children larger than the typical 12-month-old child, the front passenger air bag may or may not be activated (컄 page 85).

Deployment of the driver front air bag does not mean that the front passenger front air bag also should have de- ployed.

88

The Occupant Classification System (컄 page 85) may have determined: 앫 that the seat was empty or occu-

pied by the weight up to or less than that of a typical 12-month-old child seated in a standard child restraint – both instances where the system suppresses deployment of the front passenger front air bag even though the impact met the criteria and was of sufficient severity to de- ploy the driver front air bag

앫 that the seat was occupied by a small individual (such as a young teenager or a small adult) or a child weighing more than the weight of a typical 12-month-old child in a stan- dard child restraint – instances where the system may suppress deployment of the front passenger front air bag even though the impact met the criteria and was of sufficient severity to deploy the driver front air bag

The 59 indicator lamp is lo- cated in the center console.

Warning!

If the 1 indicator lamp and the 59 indicator lamp are lit at the same time, there is a malfunction in the Occupant Classification System. The front passenger front air bag will be deactivated in this case. Have the system checked as soon as possible by qualified technicians. Contact an authorized Mercedes-Benz Light Truck Center.

In order to ensure proper operation of the air bag system and OCS: 앫 Do not place more than 4.4 lbs (2 kg) into the parcel net on the back of the front passenger seat. Otherwise, the OCS may not be able to properly approx- imate the occupant weight category. 앫 Do not place objects under and/or

around the front passenger seat.

1 59 indicator lamp The 59 indicator lamp 1 will be illuminated, except with the SmartKey removed from the starter switch or with the starter switch in position 0 (컄 page 38).

Safety and Security Occupant safety

앫 Do not hang anything from or attach any

items to the seats.

앫 Do not stuff objects such as books be- tween the middle console and the front passenger seat.

앫 Do not move the front passenger seat

backwards against stiff objects.

앫 Sit properly belted in a nearly upright

position with your back against the seat backrest.

앫 Do not lean on the armrests or lift your- self from the seat by using the handle over the door as this may cause the OCS to be unable to correctly approximate the occupant weight category.

앫 Only have the seat repaired or replaced by an authorized Mercedes-Benz Light Truck Center.

앫 Read and observe all warnings in this

chapter.

89

Safety and Security Occupant safety

Self-test Occupant Classification Sys- tem After turning the SmartKey in the starter switch to position 1 or 2 or pressing the KEYLESS-GO* start/stop button once or twice, the 59 indicator lamp (컄 page 89) located in the center console illuminates. If an adult occupant is properly sitting on the front passenger seat and the system senses the occupant as being an adult, the 59 indicator lamp will illuminate and go out after approxi- mately 6 seconds. If the seat is not occupied and the system senses the front passenger seat as being empty, the 59 indicator lamp will illuminate and not go out.

90

Warning!

If the 59 indicator lamp should not illuminate, the system is not functioning. You must see an authorized Mercedes-Benz Light Truck Center before seating any child on the front passenger seat.

For more information, see the “Practical hints” section (컄 page 414).

Warning!

Never place anything between seat cushion and child seat (e.g. pillow), since it reduces the effectiveness of the Occupant Classifi- cation System. The bottom of the child seat must make full contact with the passenger seat cushion. An incorrectly mounted child seat could cause injuries to the child in case of an accident, instead of increasing protec- tion for the child.

Follow the manufacturer’s instructions for installation of child seats.

Installation of infant and child restraint system This vehicle is equipped with tether an- chorages for a top tether strap at each of the rear seat backrests. 왘 Remove anchorage ring cover 1 from

seat backrest of the seat on which a child seat is to be installed.

1 Anchorage ring cover

Safety and Security Occupant safety

When installing a child seat and top tether on a rear seat if a cargo compart- ment cover blind* or a partition net* is in place behind that rear seat, make sure the top tether strap is positioned between the seat backrest and the cargo compartment cover blind* or partition net* in order for the child seat to be properly secured.

왘 Make sure the tether strap is not twist-

ed.

왘 Securely fasten hook 3, which is part

of the tether strap, to anchorage ring 2.

Warning!

When installing a child seat on a third-row seat, do not fasten hook 3 to the strap be- low anchorage ring 2. Otherwise, the child seat will not be securely fastened. A child’s risk of serious or fatal injuries is significantly increased if the child seat is not properly se- cured in the vehicle.

For safety, make sure the hook has at- tached to the ring beyond the safety catch, as illustrated.

컄컄

2 Anchorage ring 3 Hook

91

2 Anchorage rings 3 Hook 왘 Guide top tether strap between head

restraint and top of seat backrest. Head restraint must be installed and positioned such that the top tether strap can pass freely between the head restraint and top of seat backrest.

Safety and Security Occupant safety

컄컄

Warning!

Always lock backrest in its upright position when rear seat bench is occupied by pas- sengers, or the expanded cargo area is not in use. Check for secure locking by pushing and pulling on the backrest.

Once the top tether anchorage hook is attached, the child restraint itself can be secured. Tighten the top tether strap according to the child restraint manufac- turer’s instructions.

왘 Remove anchorage ring covers 1 from

seat on which a child seat is to be in- stalled.

Child seat anchors – LATCH type This vehicle is equipped with two LATCH (Lower Anchors and Tethers for CHildren) type anchors (at each of the rear seats) for the installation of a LATCH child seat with matching mounting fittings. The LATCH anchors on the second-row seats are covered with an upholstery blend.

3 Anchorage ring covers, third-row seats

1 Anchors second-row seats 2 Indicates the position of the anchors

92

Warning!

Children too big for a toddler restraint must ride in seats using regular seat belts. Posi- tion shoulder belt across chest and shoul- der, not face or neck. A booster seat may be necessary to achieve proper belt positioning for children from 41 lbs until they reach a height where a lap/shoulder belt fits prop- erly without a booster.

Install child seat according to manufactu- rer’s instructions.

The child seat must be firmly attached in the right and left side anchors 1. An incorrectly mounted child seat may come loose during an accident which could result in serious injury or death to the child.

Damaged or impact damaged child seats or child seat mounting fittings must be re- placed.

Do not leave children unattended in the ve- hicle, even if the children are secured in a child restraint system.

Safety and Security Occupant safety

Blocking of rear door window operation

With the override switch you can disable the rear side window switches in the rear door panels.

Warning!

Activate the override switch when children are riding in the back seats of the vehicle. The children may otherwise injure them- selves, e.g. by becoming trapped in the win- dow opening.

When leaving the vehicle, always remove the SmartKey or SmartKey with KEYLESS-GO* from the starter switch, take it with you, and lock the vehicle. Do not leave children unat- tended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehi- cle equipment may cause an accident and/or serious personal injury.

93

4 Anchors third-row seats 왘 Install a LATCH type child seat accord- ing to the manufacturer’s instructions.

Non-LATCH type child seats may also be used and can be installed using the vehicle’s seat belt system. Install child seat according to the manufacturer’s instructions.

Safety and Security Occupant safety

The override switch is located on the driver’s door control panel.

Disabling 왘 Press override switch 1 until it engag-

Enabling 왘 Press override switch 1 once more.

The switch disengages from its re- cessed position back to its original po- sition. The rear door windows can again be operated using the switches located in the rear doors.

es. The switch engages in the recessed po- sition. The rear door windows can no longer be operated using the switches located in the rear doors.

Operating the rear door windows using the switches located on the door con- trol panel of the driver’s door is still possible.

1 Override switch For more information on power windows, see “Power windows” (컄 page 248).

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왔 Panic alarm An audible alarm and flashing exterior lamps will operate for approximately 21/2 minutes.

SmartKey 1 Â button

SmartKey with KEYLESS-GO* 1 Â button

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

Safety and Security Panic alarm

(2) this device must accept any inter-

ference received, including interfer- ence that may cause undesired operation.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

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 inter-

ference received, including interfer- ence that may cause undesired operation of the device.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

95

Safety and Security Panic alarm

Activating

왘 Press and hold button 1 for at least

1 second.

Deactivating

왘 Press button 1 again. or 왘 Insert SmartKey or the SmartKey with

KEYLESS-GO* in starter switch.

or 왘 Press the KEYLESS-GO* start/stop

button (컄 page 40). The SmartKey with KEYLESS-GO* must be in the vehicle.

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왔 Driving safety systems In this section you will find information on the following driving safety systems: 앫 ABS (Antilock Brake System) 앫 BAS (Brake Assist System) 앫 ESP® (Electronic Stability Program) 앫 EBP (Electronic Brake Proportioning) 앫 4-ETS (Electronic Traction System)

Safety and Security Driving safety systems

Warning!

ABS

The following factors increase the risk of accidents: 앫 Excessive speed, especially in turns 앫 Wet and slippery road surfaces 앫 Following another vehicle too closely The ABS, BAS, ESP® and 4-ETS cannot re- duce this risk.

Always adjust your driving style to the pre- vailing road and weather conditions.

In winter operation, the maximum ef- fectiveness of the ABS, the BAS, the ESP®, the EBP, and the 4-ETS is only achieved with winter tires (컄 page 390) or snow chains as required.

Warning!

Do not pump the brake pedal. Use firm, steady brake pedal pressure instead. Pump- ing the brake pedal defeats the purpose of the ABS and significantly reduces braking effectiveness.

The Antilock Brake System (ABS) regulates the brake pressure so that the wheels do not lock during braking. This allows you to maintain the ability to steer your vehicle. The ABS is functional above a speed of ap- proximately 5 mph (8 km/h) independent of road surface conditions. On slippery road surfaces, the ABS will re- spond even to light brake pressure. The - indicator lamp in the instrument cluster (컄 page 24) comes on when you switch on the ignition. It goes out when the engine is running.

97

Safety and Security Driving safety systems

Braking At the instant one of the wheels is about to lock up, a slight pulsation can be felt in the brake pedal, indicating that the ABS is in the regulating mode. 왘 Keep firm and steady pressure on the brake pedal while experiencing the pul- sation.

Continuous, steady brake pedal pressure yields the advantages provided by the ABS, namely braking power and ability to steer the vehicle. The pulsating brake pedal can be an indication of hazardous road conditions and functions as a reminder to take extra care while driving.

98

Emergency brake maneuver 왘 Keep continuous full pressure on the

Warning!

brake pedal.

Warning!

When the ABS is malfunctioning, the BAS, the ESP®, and the 4-ETS are also switched off. The basic driving and braking functions are still available

When the ABS is malfunctioning, the wheels may lock during hard braking, reducing steering capability and extending the brak- ing distance.

The ABS cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase braking or steering efficiency be- yond that afforded by the condition of the vehicle brakes and tires or the traction afforded. The ABS cannot prevent acci- dents, including those resulting from exces- sive speed in turns, following another vehicle too closely, or hydroplaning. Only a safe, attentive, and skillful driver can pre- vent accidents. The capabilities of an ABS equipped vehicle must never be exploited in a reckless or dangerous manner which could jeopardize the user’s safety or the safety of others.

For more information, see the “Practical Hints” section (컄 page 404).

BAS

The Brake Assist System (BAS) operates in emergency situations. If you apply the brakes very quickly, the BAS automatically provides full brake boost, thereby poten- tially reducing braking distance. Apply con- tinuous full braking pressure until the emergency braking situation is over. The ABS will prevent the wheels from locking. When you release the brake pedal, the brakes function again as normal. The BAS is then deactivated.

Warning!

If the BAS is malfunctioning, the brake sys- tem is still functioning, but without the addi- tional brake boost available that BAS would normally provide in an emergency braking maneuver. Therefore, the braking distance may increase.

Safety and Security Driving safety systems

Warning!

ESP®

The BAS cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase braking efficiency beyond that afforded by the condition of the vehicle brakes and tires or the traction afforded. The BAS cannot prevent accidents, includ- ing those resulting from excessive speed in turns, following another vehicle too closely, or hydroplaning. Only a safe, attentive, and skillful driver can prevent accidents. The capabilities of a BAS equipped vehicle must never be exploited in a reckless or danger- ous manner which could jeopardize the user’s safety or the safety of others.

The Electronic Stability Program (ESP®) is operational as soon as the engine is run- ning and monitors the vehicle’s traction (force of adhesive friction between the tires and the road surface) and handling. The ESP® recognizes when a wheel is spinning or if the vehicle starts to skid. By applying brakes to the appropriate wheel and by limiting engine output, the ESP® helps stabilize the vehicle. The ESP® is es- pecially useful while driving off and on wet or slippery road surfaces. The ESP® also stabilizes the vehicle during braking ma- neuvers. The ESP® warning lamp v in the instru- ment cluster (컄 page 24) flashes when the ESP® is engaged. The ESP® warning lamp v in the instru- ment cluster comes on when you switch on the ignition. It goes out when the engine is running.

99

Safety and Security Driving safety systems

Warning!

Warning!

Never switch off the ESP® when you see the ESP® warning lamp v flashing in the in- strument cluster. In this case, proceed as follows: 앫 While driving off, apply as little throttle

as possible.

앫 While driving, ease up on the accelera-

tor.

앫 Adapt 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 result- ing from excessive speed.

The ESP® cannot prevent the natural laws of physics from acting on the vehicle, nor can it increase the traction afforded. The ESP® cannot prevent accidents, including those resulting from excessive speed in turns, fol- lowing another vehicle too closely, or hydro- planing. Only a safe, attentive, and skillful driver can prevent accidents. The capabili- ties of an ESP® equipped vehicle must never be exploited in a reckless or dangerous manner which could jeopardize the user’s safety or the safety of others.

The ESP® will only function properly if you use wheels of the recommended tire size (컄 page 514).

Because of the ESP’s® automatic oper- ation, the engine and ignition must be shut off (SmartKey in starter switch position 0 or 1 or KEYLESS-GO* start/stop button* in position 0 or 1) when 앫 the parking brake is being tested on

a brake test dynamometer

앫 the vehicle is being towed with the

front or rear axle raised

Active braking action through the ESP® may otherwise seriously damage the brake system. Operational tests with the engine running can only be conducted on a two-axle dynamometer.

For more information, see the “Practical hints” section (컄 page 409).

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When you switch off the ESP® 앫 the ESP® does not stabilize the vehicle 앫 the engine output is not limited, which

allows the drive wheels to spin and thus cut into surfaces for better grip 앫 the 4-ETS will still brake a spinning

wheel

앫 the ESP® continues to operate when

you are braking

When the ESP® is switched off and one or more drive wheels are spinning, the ESP® warning lamp v in the instru- ment cluster flashes. However, the ESP® will then not stabilize the vehicle.

Switching off the ESP®

Warning!

The ESP® should not be switched off during normal driving other than in the circum- stances described below. Disabling of the system will reduce vehicle stability in stan- dard driving maneuvers.

To improve the vehicle’s traction, turn off the ESP® in driving situations where it would be advantageous to have the drive wheels spin and thus cut into surfaces for better grip such as: 앫 starting out on slippery surfaces and in

deep snow in conjunction with snow chains

앫 in sand or gravel

Turn the ESP® on immediately if the aforementioned circumstances do not apply anymore.

Safety and Security Driving safety systems

The ESP® switch is located on the upper part of the center console.

1 ESP® switch 왘 Press ESP® switch 1 until the

ESP® warning lamp v in the instru- ment cluster comes on. The ESP® is deactivated.

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Safety and Security Driving safety systems

Warning!

Switching on the ESP® 왘 Press ESP® switch 1.

When the ESP® warning lamp v is illuminated continuously, the ESP® is switched off.

Adapt your speed and driving to the prevail- ing road conditions and to the non-operating status of the ESP®.

The ESP® warning lamp v in the in- strument cluster goes out. You are now again in normal driving mode with the ESP® switched on.

For more information, see the “Practical hints” section (컄 page 404).

Avoid spinning of a drive wheel for an extended period of time with the ESP® switched off. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty.

EBP

The EBP enhances braking effectiveness by allowing the rear brakes to supply a greater proportion of the braking effort without a loss of vehicle stability.

4-ETS

The 4-Electronic Traction System (4-ETS) improves the vehicle’s ability to utilize available traction, especially under slip- pery road conditions. The brakes are ap- plied to the spinning wheel and power is transferred to the wheel(s) with traction. The ESP® warning lamp v in the instru- ment cluster starts to flash at any vehicle speed, as soon as a tire loses traction and the wheel begins to spin.

102

Safety and Security Driving safety systems

Because of the ESP’s® automatic oper- ation, the engine must be shut off (SmartKey in starter switch position 0 or 1) when the parking brake is being tested on a brake test dynamometer. Active braking action through ESP® may otherwise seriously damage the brake system. Operational tests with the engine running can only be conducted on a two-axle dynamometer.

If the yellow ESP® warning lamp v comes on while driving, the 4-ETS is be- ing switched off temporarily to prevent overheating of the drive wheel brakes. In addition, the message ESP unavail- able See Operator’s Manual appears in the multifunction display.

For more information, see the “Practical hints” section (컄 page 404) and (컄 page 416).

Warning!

When you see the ESP® warning lamp v flashing in the instrument cluster, then pro- ceed as follows: 앫 While driving off, apply as little throttle

as possible.

앫 While driving, ease up on the accelera-

tor.

앫 Adapt your speed and driving style to

the prevailing road conditions.

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

The 4-ETS cannot prevent accidents resul- ting from excessive speed.

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Safety and Security Anti-theft systems

Immobilizer

Deactivating

Anti-theft alarm system

The immobilizer prevents unauthorized persons from starting your vehicle.

Activating

With the SmartKey 왘 Remove the SmartKey from the starter

switch.

With KEYLESS-GO* 왘 Press the KEYLESS-GO start/stop

button (컄 page 40) once. The engine is turned off. 왘 Open the driver’s door.

With the SmartKey 앫 Turn the SmartKey in the starter switch

to position 2 (컄 page 38).

With KEYLESS-GO* 앫 Switch on the ignition (컄 page 38).

Starting the engine will also deactivate the immobilizer. In case the engine cannot be started (yet the vehicle’s battery is charged), the system is not operational. Contact an authorized Mercedes-Benz Light Truck Center or call 1-800-FOR-MERCedes (in the USA), or 1-800-387-0100 (in Canada).

Once the alarm system has been armed, a visual and audible alarm is triggered when someone opens 앫 a door 앫 the tailgate 앫 the hood The alarm will stay on, even if the activat- ing element (a door, for example) is imme- diately closed. The alarm system will also be triggered when 앫 the vehicle is raised, see “Tow-away

alarm” (컄 page 106)

앫 the vehicle is opened with the mechan-

ical key, see “Unlocking the vehicle” (컄 page 459)

앫 a door is opened from the inside, see “Opening the doors from the inside” (컄 page 121)

104

i If the alarm stays on for more than 30 seconds, a call to the Response Center is initiated automatically by the Tele Aid* system (컄 page 311) provid- ed Tele Aid* service was subscribed to and properly activated, and that neces- sary cellular service and GPS coverage are available.

Arming the alarm system The alarm system is armed after you have locked the vehicle with the SmartKey or SmartKey with KEYLESS-GO*. The alarm system indicator lamp is located to the lower left of the hazard warning flasher.

1 Alarm system indicator lamp

Safety and Security Anti-theft systems

왘 Make sure all doors and the tailgate are

closed.

왘 Lock the vehicle (컄 page 67).

The turn signal lamps flash three times to indicate that the vehicle is locked. The alarm system is armed within ap- proximately 10 seconds. Alarm system indicator lamp 1 flashes.

If the turn signal lamps do not flash three times, one of the following ele- ments may not be properly closed: 앫 a door 앫 the tailgate Close the respective element and lock the vehicle again.

105

Safety and Security Anti-theft systems

Disarming the alarm system 왘 Unlock the vehicle (컄 page 36).

Canceling the alarm To cancel the alarm:

The turn signal lamps flash once to indicate that the vehicle is disarmed.

The alarm system will rearm automati- cally again after approximately 40 seconds if neither a door nor the tailgate is opened.

With the SmartKey 왘 Insert the SmartKey in the starter

switch.

or 왘 Press the Œ or ‹ button on the

SmartKey.

With KEYLESS-GO* 왘 Grasp an outside door handle.

The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the vehicle.

or 왘 Press the KEYLESS-GO start/stop

button (컄 page 40). The SmartKey with KEYLESS-GO must be inside the vehicle.

Tow-away alarm

Once the tow-away alarm is armed, a visual and audible alarm will be triggered when someone attempts to raise the vehicle.

The tow-away protection alarm is trig- gered, for example, if the vehicle is lifted on one side. If the alarm stays on for more than 30 seconds, a call to the Response Center is initiated automatically by the Tele Aid* system (컄 page 311) provid- ed Tele Aid* service was subscribed to and properly activated, and that neces- sary cellular service and GPS coverage are available.

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Safety and Security Anti-theft systems

Arming the tow-away alarm 왘 Make sure all doors and the tailgate are

closed.

왘 Lock your vehicle.

The tow-away alarm is automatically armed after about 10 seconds.

Disarming the tow-away alarm 왘 Unlock your vehicle.

When you unlock your vehicle, the tow-away protection disarms automati- cally. The tow-away alarm remains disarmed until you lock your vehicle again.

Switching off the tow-away alarm

왘 Switch off the ignition (컄 page 38).

The tow-away alarm feature can be set to default enabled (on) or disabled (off) using the control system (컄 page 191).

With the tow-away alarm set to default enabled (on) in the control system, the following message appears in the mul- tifunction display.

To prevent triggering the tow-away alarm feature, switch off the tow-away alarm be- fore towing the vehicle, or when parking on a surface subject to movement, such as a ferry or auto train. If the tow-away alarm is set to default en- abled (on) in the control system and you wish to retain the default setting, you can switch off the tow-away alarm temporarily on a one-time basis as follows:

왘 If you now wish to deactivate the

tow-away alarm on a one-time basis, press button + or - on the mul- tifunction steering wheel. The tow-away alarm is switched off. The following message appears in the multifunction display.

컄컄

107

Safety and Security Anti-theft systems

컄컄

왘 Exit and lock the vehicle (컄 page 67). The alarm system is armed indepen- dently of whether the tow-alarm is switched on or off.

Canceling tow-away alarm To cancel the alarm after it has been triggered:

With the SmartKey 왘 Insert the SmartKey in the starter

switch.

or 왘 Press the Œ or ‹ button on the

SmartKey.

The tow-away alarm is switched off on a one-time basis only. It will be armed automatically the next time you lock the vehicle. If you have disabled the tow-away alarm feature in the control system (컄 page 191), you can switch on the tow-away alarm on a one-time basis as described above.

With KEYLESS-GO* 왘 Grasp an outside door handle.

The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the vehicle.

or 왘 Press the KEYLESS-GO start/stop

button (컄 page 40). The SmartKey with KEYLESS-GO must be inside the vehicle.

108

Controls in detail Locking and unlocking

Seats

Memory function*

Lighting

Instrument cluster

Control system

Automatic transmission

Good visibility

Climate control

3-zone automatic climate control*

Power windows

Power tilt/sliding sunroof*

Panorama roof with power tilt/sliding panel*

Driving systems

Loading

Useful features

109

Controls in detail Locking and unlocking

In the “Controls in detail” section you will find detailed information on how to oper- ate the equipment installed in your vehicle. If you are already familiar with the basic functions of your vehicle, this section will be of particular interest to you. To quickly familiarize yourself with the ba- sic functions of the vehicle, refer to the “Getting started” section of this manual. The corresponding page numbers are given at the beginning of each segment.

110

For more information on locking and un- locking, see the “Getting started” section (컄 page 36) and (컄 page 67).

SmartKey

Your vehicle comes supplied with two SmartKeys, each with remote control and a removable mechanical key. The locking tabs for the mechanical key portion of the two SmartKeys are a differ- ent color to help distinguish each SmartKey unit. The SmartKey provides an extended oper- ating range. To prevent theft, however, it is advisable to only unlock the vehicle when you are in close proximity to it. The SmartKey centrally locks and unlocks: 앫 the doors 앫 the tailgate 앫 the fuel filler flap

SmartKey with remote control 1 ‹ Lock button 2 Š Unlock button* for tailgate 3 Locking tab for mechanical key 4 Œ Unlock button 5 Battery check lamp 6  Panic button (컄 page 95)

Controls in detail Locking and unlocking

Warning!

When leaving the vehicle, always remove the SmartKey from the starter switch, take it with you and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. It is possible for children to open a locked door from the inside, which could result in an accident and/or serious personal injury.

To prevent possible malfunction, avoid exposing the SmartKey to high levels of electromagnetic radiation.

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

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 inter-

(2) this device must accept any inter-

ference received, including interfer- ence that may cause undesired operation.

ference received, including interfer- ence that may cause undesired operation of the device.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

You can also open and close the power windows (컄 page 248) and tilt/sliding sunroof* (컄 page 255), or the tilt/sliding panel* (컄 page 259) using the SmartKey.

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Controls in detail Locking and unlocking

Factory setting

Global unlocking 왘 Press button Œ.

All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is disarmed.

The vehicle will lock again automatically and reactivate the anti-theft alarm system within approximately 40 seconds of un- locking if 앫 neither door nor tailgate is opened 앫 the SmartKey is not inserted in the

starter switch

앫 the central locking switch is not

activated

112

Unlocking driver’s door and fuel filler flap 왘 Press button Œ once.

All turn signal lamps flash once. The locking knob in the driver’s door moves up. The anti-theft alarm system is disarmed.

Global unlocking 왘 Press button Œ twice.

All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is disarmed.

Global locking 왘 Press button ‹.

With the tailgate and all doors closed, the turn signal lamps flash three times. The locking knobs on the doors move down. The anti-theft alarm system is armed.

Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey so that pressing Œ only unlocks the driver’s door and the fuel filler flap. 왘 Press and hold buttons Œ and ‹

simultaneously for about 5 seconds until battery check lamp 5 (컄 page 110) flashes twice. The SmartKey will then function as fol- lows:

Global locking 왘 Press button ‹.

With the tailgate and all doors closed, the turn signal lamps flash three times. The locking knobs on the doors move down. The anti-theft alarm system is armed.

Restoring to factory setting 왘 Press and hold buttons Œ and ‹

simultaneously for about 6 seconds until battery check lamp 5 (컄 page 110) flashes twice.

Controls in detail Locking and unlocking

If you cannot lock or unlock the vehicle with the SmartKey, then either the bat- teries in the SmartKey are discharged, the SmartKey is malfunctioning, or the vehicle battery is drained. 앫 Check the batteries in the

SmartKey and replace them if necessary (컄 page 463).

앫 Use the mechanical key to unlock

the driver’s door (컄 page 459).

앫 Lock the vehicle as described in the

“Practical hints” section (컄 page 460).

앫 Have the vehicle battery and the

vehicle battery connections checked (컄 page 487).

If the SmartKey is malfunctioning, con- tact an authorized Mercedes-Benz Light Truck Center.

Checking the batteries 왘 Press button ‹ or Œ.

Battery check lamp 5 (컄 page 110) comes on briefly to indicate that the SmartKey batteries are in order.

If battery check lamp 5 does not come on briefly during check, the SmartKey batteries are discharged. Replace the batteries (컄 page 463). You can obtain the required batteries at any authorized Mercedes-Benz Light Truck Center.

If the batteries are checked within signal range of the vehicle, pressing the button ‹ or Œ will lock or un- lock the vehicle accordingly.

113

Controls in detail Locking and unlocking

Unlocking and opening the tailgate You can unlock and open the tailgate sep- arately. A minimum height clearance of 7.2 ft (2.20 m) is required to open the tailgate. 왘 Press and hold button Š on the

SmartKey until the tailgate unlocks and begins to open.

The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. Vehicles with tailgate opening/closing system*: To stop the opening procedure, press button Š on the SmartKey. The tail- gate stops moving.

114

If the vehicle was previously centrally locked with the SmartKey, the tailgate will lock automatically when closed. The turn signals will flash three times to confirm locking.

Loss of SmartKey or mechanical key If you lose a SmartKey or mechanical key, you should do the following: 왘 Have the SmartKey deactivated by an authorized Mercedes-Benz Light Truck Center.

왘 Report the loss of the SmartKey or the

mechanical key immediately to your car insurance company.

왘 If necessary, have the mechanical lock

replaced.

Your authorized Mercedes-Benz Light Truck Center will be glad to supply you with a replacement.

SmartKey with KEYLESS-GO*

Vehicles equipped with KEYLESS-GO come with two SmartKeys with KEYLESS-GO, each with remote control and a removable mechanical key. The locking tabs for the mechanical key portion of the two SmartKeys with KEYLESS-GO are a different color to help distinguish each SmartKey with KEYLESS-GO unit. The function of the SmartKey overrules the KEYLESS-GO function. The KEYLESS-GO function is integrated into the SmartKey. On these vehicles, the validity of the SmartKey with KEYLESS-GO is checked when you grasp an outside door handle. If the SmartKey with KEYLESS-GO is valid, your vehicle unlocks 앫 the doors 앫 the tailgate 앫 the fuel filler flap

Controls in detail Locking and unlocking

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 inter-

ference received, including interfer- ence that may cause undesired operation.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

Warning!

When leaving the vehicle, always take the SmartKey with KEYLESS-GO* with you and lock the vehicle. Do not leave children unat- tended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehi- cle equipment may cause an accident and/or serious personal injury.

To prevent possible malfunction, avoid exposing the SmartKey with KEYLESS-GO to high levels of electro- magnetic radiation.

SmartKey with KEYLESS-GO* 1 ‹ Lock button 2 Š Unlock button* for tailgate 3 Mechanical key locking tab 4 Œ Unlock button 5 Battery check lamp 6  Panic button (컄 page 95)

115

Controls in detail Locking and unlocking

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 inter-

ference received, including interfer- ence that may cause undesired operation of the device.

Any unauthorized modification to this device could void the user’s authority to operate the equipment.

You can also open and close the power windows (컄 page 248) and tilt/sliding sunroof* (컄 page 255), or the tilt/sliding panel* (컄 page 259) using the SmartKey with KEYLESS-GO.

Important notes on using KEYLESS-GO* 앫 You can also use the SmartKey with KEYLESS-GO like a normal SmartKey (컄 page 110).

앫 You can combine KEYLESS-GO func-

tions with normal SmartKey functions (e.g. unlocking with KEYLESS-GO and locking with the ‹ button).

앫 Always carry the SmartKey with

KEYLESS-GO with you.

앫 Never store the SmartKey with

KEYLESS-GO together with 앫 electronic items such as a cellular

phone or another SmartKey with KEYLESS-GO

앫 metallic objects such as coins or

metal foil

Doing so could impair the function of the KEYLESS-GO system.

116

앫 To lock or unlock the vehicle, the

SmartKey with KEYLESS-GO must be located outside the vehicle within ap- proximately 3 ft (1 m) of the respective door or the tailgate.

앫 In order to start the engine with the

SmartKey with KEYLESS-GO: 앫 The SmartKey with KEYLESS-GO

must be located in the vehicle.

앫 All doors must be closed. 앫 The brake pedal must be firmly de- pressed. Do not depress the accel- erator.

앫 If the SmartKey with KEYLESS-GO is positioned farther away from the vehi- cle, the system may no longer recog- nize the SmartKey with KEYLESS-GO. The vehicle then cannot be locked or the engine started via the KEYLESS-GO system.

앫 If the SmartKey with KEYLESS-GO is re-

moved from the vehicle while starter switch position 1 (e.g. if a passenger exits the vehicle with the SmartKey with KEYLESS-GO), the message Key not detected will appear in the multi- function display while driving off. Find the SmartKey with KEYLESS-GO or change its present location immediate- ly (e.g. place it on the front passenger seat or insert it in shirt pocket).

앫 If the SmartKey with KEYLESS-GO is re- moved from the vehicle with the engine running (e.g. if a passenger exits the vehicle with the SmartKey with KEYLESS-GO), the message Key not detected will appear in the multifunc- tion display while driving off. Find the SmartKey with KEYLESS-GO or change its present location immediate- ly (e.g. place it on the front passenger seat or insert it in shirt pocket).

앫 Remember that the engine can be started by anyone with a SmartKey with KEYLESS-GO that is left inside the vehicle. Possibility 1: (One SmartKey with KEYLESS-GO in the vehicle, one SmartKey with KEYLESS-GO outside the vehicle): If you leave the SmartKey with KEYLESS-GO behind when exiting and locking the vehicle, no message appears in the multifunction display.

Controls in detail Locking and unlocking

Possibility 2: (One SmartKey with KEYLESS-GO in the vehicle, no SmartKey with KEYLESS-GO outside the vehicle): When exiting and trying to lock the ve- hicle, the message Key detected in vehicle will appear in the multifunc- tion display. The vehicle will not be locked.

117

Controls in detail Locking and unlocking

Factory setting

Global unlocking 왘 Grasp an outside door handle.

All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is dis- armed.

If the vehicle has been parked for more than 72 hours, you must pull an outside door handle in order to activate the KEYLESS-GO function.

The vehicle will lock again automatically and reactivate the anti-theft alarm system within approximately 40 seconds of unlocking if 앫 neither door nor tailgate is opened 앫 the central locking switch is not

activated

118

The vehicle could be inadvertently unlocked if the SmartKey with KEYLESS-GO is within 3 ft (1 m) of the vehicle and 앫 an outside door handle is splashed

with water or

앫 you attempt to clean the outside

door handle

Global locking 왘 Press the lock button at an outside

door handle (컄 page 68) or the tailgate (컄 page 120). With the tailgate and all doors closed, the turn signal lamps flash three times. The locking knobs on the doors move down. The anti-theft alarm system is armed.

Selective setting If you frequently travel alone, you may wish to reprogram the SmartKey with KEYLESS-GO so when you grasp the driv- er’s door handle only the driver’s door and the fuel filler flap unlocks. 왘 Press and hold buttons Œ and ‹

simultaneously for about 6 seconds until battery check lamp 5 (컄 page 115) flashes twice. The SmartKey with KEYLESS-GO will then function as follows:

Unlocking driver’s door and fuel filler flap 왘 Grasp the driver’s outside door handle.

All turn signal lamps flash once. The locking knob in the driver’s door moves up. The anti-theft alarm system is dis- armed.

Controls in detail Locking and unlocking

Global unlocking 왘 Grasp any outside door handle other than the driver’s outside door handle. All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is dis- armed.

Global locking 왘 Press the lock button on an outside

door handle (컄 page 68) or the tailgate (컄 page 120). All turn signal lamps flash three times. The locking knobs in the doors move down. The anti-theft alarm system is armed.

Restoring to factory setting 왘 Press and hold buttons Œ and ‹

simultaneously for about 6 seconds until battery check lamp 5 (컄 page 115) flashes twice.

If you can no longer lock or unlock the vehicle with the SmartKey with KEYLESS-GO, then the battery in the SmartKey is discharged, the SmartKey with KEYLESS-GO is malfunctioning or the vehicle battery is drained. 앫 Check the battery in the SmartKey

with KEYLESS-GO (컄 page 119) and replace it if necessary (컄 page 463).

앫 Use the mechanical key to unlock

the driver’ door (컄 page 459).

앫 Lock the vehicle as described in the

“Practical hints” section (컄 page 460).

앫 Have the vehicle battery and the

vehicle battery connections checked (컄 page 487).

If the SmartKey with KEYLESS-GO is malfunctioning, contact an authorized Mercedes-Benz Light Truck Center.

Checking the battery 왘 Press button ‹ or Œ.

Battery check lamp 5 (컄 page 115) comes on briefly to indicate that the SmartKey with KEYLESS-GO battery is in order.

If battery check lamp 5 (컄 page 115) does not come on briefly during check, the SmartKey with KEYLESS-GO bat- tery is discharged. Replace the battery (컄 page 463). You can obtain the required battery at any authorized Mercedes-Benz Light Truck Center.

If the battery is checked within signal range of the vehicle, pressing the button ‹ or Œ will lock or un- lock the vehicle accordingly.

119

Controls in detail Locking and unlocking

Unlocking and opening the tailgate You can unlock and open the tailgate sep- arately. A minimum height clearance of 7.2 ft (2.20 m) is required to open the tailgate. The handle is located above the rear license plate recess.

왘 Pull on the handle.

or

왘 Press and hold button Š on the

SmartKey with KEYLESS-GO until the tailgate unlocks and opens.

120

The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. Vehicles with tailgate opening/closing system*: To stop the opening procedure, press button Š on the SmartKey. The tail- gate stops moving.

If the vehicle was previously centrally locked with the SmartKey or KEYLESS-GO, the tailgate will lock au- tomatically when closed (컄 page 124). The turn signals will flash three times to confirm locking.

Locking the vehicle

1 Lock button at tailgate 왘 Press lock button on tailgate 1. or 왘 Press the lock button on an outside

door handle (컄 page 68).

or 왘 Vehicles with tailgate opening/closing

system*: Press the KEYLESS-GO locking/closing switch in the tailgate (컄 page 129). The vehicle locks. The turn signals flash three times to confirm locking.

Loss of the SmartKey with KEYLESS-GO If you lose your SmartKey with KEYLESS-GO or mechanical key, you should do the following: 왘 Have the SmartKey with KEYLESS-GO

deactivated by an authorized Mercedes-Benz Light Truck Center.

왘 Report the loss of the SmartKey with KEYLESS-GO or the mechanical key im- mediately to your car insurance com- pany.

왘 Have the mechanical lock replaced if

necessary.

Your authorized Mercedes-Benz Light Truck Center will be glad to supply you with a replacement.

Opening the doors from the inside

You can open a locked door from the in- side. Open door only when conditions are safe to do so.

1 Locking knob 2 Inside door handle

Controls in detail Locking and unlocking

Front doors 왘 Pull on inside door handle 2 on the

respective front door to open door. If the door was locked, locking knob 1 will move up.

Rear doors 왘 Pull up locking knob 1 on the respec-

tive rear door to unlock door.

왘 Pull on inside door handle 2 on the re-

spective rear door to open door.

121

Controls in detail Locking and unlocking

If the vehicle has previously been locked from the outside with the SmartKey or KEYLESS-GO*, opening a door from the inside will trigger the anti-theft alarm system. To cancel the alarm, do one of the following: With the SmartKey 앫 Insert the SmartKey in the starter

switch.

앫 Press the Œ or ‹ button on

the SmartKey.

With KEYLESS-GO* 앫 Grasp an outside door handle. 앫 Press the KEYLESS-GO start/stop

button (컄 page 40). The SmartKey with KEYLESS-GO must be inside the vehicle.

122

Opening the tailgate

Opening the tailgate from the outside A minimum height clearance of 7.2 ft (2.20 m) is required to open the tailgate. The handle is located above the rear license plate recess.

Vehicles without KEYLESS-GO*: The vehicle must be unlocked (컄 page 37). 왘 Pull on the handle.

The tailgate opens slightly.

왘 Pull tailgate upwards to open.

Vehicles with tailgate opening/closing system*: To stop the opening procedure, press button Š on the SmartKey. The tail- gate stops moving. The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance.

If the vehicle was previously centrally locked, the tailgate will lock automati- cally after closing it (컄 page 124). The turn signals will flash three times to confirm locking.

The tailgate can also be opened using the SmartKey (컄 page 114).

Opening the tailgate from the inside manually You can unlock the tailgate from the third-row seats and then open it manually. The handle is located on the right of the tailgate’s window trim.

1 Handle 2 Push 3 Lift 왘 Push handle 1 in direction of arrow 2

and hold it there.

왘 Lift handle 1 in direction of arrow 3.

The tailgate is released and can be opened manually.

Vehicles with tailgate opening/closing system*: If you do not open the tailgate within a few seconds, the tailgate lock will auto- matically engage again.

Opening the tailgate from the inside electrically* You can open the tailgate from the inside if the vehicle is stationary. A minimum height clearance of 7.2 ft (2.20 m) is required to open the tailgate. The switch is located on the door control panel.

Controls in detail Locking and unlocking

1 Remote tailgate switch with indicator

lamp

왘 Pull remote tailgate switch 1 until

tailgate begins to open. The tailgate opens. The indicator lamp in the remote tailgate switch comes on and remains lit until the tailgate is closed. While the tailgate is opening, an acoustic signal sounds.

컄컄

123

Controls in detail Locking and unlocking

컄컄

Warning!

Maintain sight of the area around the rear of the vehicle while operating the tailgate with the door-mounted remote tailgate switch or with the Š button on the SmartKey or SmartKey with KEYLESS-GO*. Monitor the opening procedure carefully to make sure no one is in danger of being injured.

To interrupt the opening procedure, press or pull the door-mounted remote tailgate switch or press the Š button on the SmartKey or SmartKey with KEYLESS-GO*.

The tailgate swings open upwards auto- matically. Always make sure there is sufficient overhead clearance. To stop the opening procedure, press or pull remote tailgate switch 1. The tailgate stops moving.

124

The tailgate can also be opened using the Š button on the SmartKey or SmartKey with KEYLESS-GO* (컄 page 114).

Limiting opening height of tailgate* Vehicles with tailgate opening/closing system*: The tailgate opening height can be limited when transporting goods on a roof rack* (e.g. presence of an MB sport luggage con- tainer*). When activated, the tailgate opens to approximately 6.4 ft (1.95 m). 왘 Activate the limiting opening height of

tailgate using the control system (컄 page 189).

Closing the tailgate

Closing the tailgate from the inside electrically* In vehicles with tailgate opening/closing system* you can close the tailgate from the inside using the remote tailgate switch. 왘 Press remote tailgate switch 1

(컄 page 123) until tailgate begins to close. The tailgate closes. The indicator lamp in the remote tailgate switch goes out. While the tailgate is closing an acoustic signal sounds.

To interrupt the closing procedure: 왘 Press or pull remote tailgate switch 1

(컄 page 123).

Warning!

Warning!

Closing the tailgate from the outside manually

Controls in detail Locking and unlocking

Only drive with the tailgate closed as, among other dangers such as blocked visibility, exhaust fumes may enter the vehicle interior.

If the tailgate comes into contact with an object while closing (e.g. luggage that has been piled too high) the closing procedure is stopped and the tailgate reopens.

Maintain sight of the area around the rear of the vehicle while operating the tailgate with the door mounted switch. Monitor the closing procedure carefully to make sure no one is in danger of being injured.

To interrupt the closing procedure, press or pull the door mounted remote tailgate switch.

Even with the SmartKey or the SmartKey with KEYLESS-GO* removed from the starter switch or the SmartKey with KEYLESS-GO* removed from the vehicle, the remote tailgate switch can be operated. Therefore, do not leave children unattended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehicle equip- ment may cause an accident and/or serious personal injury.

1 Handle 왘 Lower tailgate by pulling firmly on

handle 1.

왘 Close tailgate with hands placed flat on

컄컄

it.

125

Controls in detail Locking and unlocking

컄컄

Warning!

To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when closing the tail- gate. Be especially careful when small chil- dren are around.

When leaving the vehicle, always remove the SmartKey or SmartKey with KEYLESS-GO* from the starter switch, take it with you, and lock the vehicle. Do not leave children unat- tended in the vehicle, or with access to an unlocked vehicle. Unsupervised use of vehi- cle equipment may cause an accident and/or serious personal injury.

Warning!

Only drive with the tailgate closed as, among other dangers such as blocked visibility, exhaust fumes may enter the vehicle interior.

126

To prevent an inadvertent lockout, do not place the SmartKey in the cargo compartment. Vehicles with KEYLESS-GO*: To prevent a possible inadvertent lock- out, the tailgate will open automatically if a SmartKey with KEYLESS-GO is recognized inside the vehicle.

If the vehicle was previously centrally locked with the SmartKey or KEYLESS-GO, the tailgate will lock automatically after closing it. The turn signals flash three times to confirm locking.

Closing the tailgate from the outside (vehicles without KEYLESS-GO*) In vehicles with tailgate opening/closing system* you can close the tailgate sepa- rately from the outside using the tailgate closing switch or the Š button on the SmartKey.

1 Tailgate closing switch

왘 Press tailgate closing switch 1 briefly.

The tailgate closes.

You can also close the tailgate manual- ly (컄 page 125).

If the tailgate comes into contact with an object while closing (e.g. luggage that has been piled too high), the closing procedure is stopped and the tailgate reopens slightly.

Controls in detail Locking and unlocking

Warning!

Warning!

Monitor the closing procedure carefully to make sure no one is in danger of being in- jured. To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when clos- ing the tailgate. Be especially careful when small children are around. To stop the clos- ing procedure, do one of the following: