2011 Mercedes-benz GL Class Owners Manual

X Open the hood. X Turn bulb holder : (WY 5 W) / ; (3457

A) counter-clockwise and pull it out.

X Remove the bulb from bulb

holder : / ;.

X Insert the new bulb into bulb

holder : / ;.

X Insert bulb holder : / ; into the lamp

and turn it clockwise.

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Changing bulbs

123

Right-hand side trim panel

Changing the rear bulbs Opening/closing the side trim You must open the side trim panel in the cargo compartment before you can change the bulbs in the tail lamps. Left-hand side trim panel

X To open: insert a suitable object, e.g. a coin, into the slot of release knob : on side trim panel ;.

X Turn release knob : 90° in the direction

of the arrow and remove side trim panel ;.

X To close: insert side trim panel ; and turn

release knob : 90° in the opposite direction to the arrow.

Tail lamps with LEDs

X To open: turn release knob : 90° in the direction of the arrow and remove side trim panel ;.

X Insert a suitable object, e.g. a coin, into the

slots of release knobs =.

X Turn release knobs = 90° in the direction

of the arrow and remove stowage compartment ?.

X To close: insert stowage

compartment ? and turn release knobs = in the opposite direction to the arrow until the slots on the release knobs are in a vertical position.

X Insert side trim panel ; and turn release knob : 90° in the opposite direction to the arrow.

: Rear fog lamp ; Backup lamp X Switch off the lights. X Open the cargo compartment. X Open the side trim panel (Y page 123). X Turn the corresponding bulb holder

counter-clockwise and remove it.

X Remove the bulb from the bulb holder. X Insert the new bulb into the bulb holder.

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124 Changing bulbs

X Insert the bulb holder and turn it clockwise. X Close the side trim panel (Y page 123).

License plate lamp

X Switch off the lights. X Open the tailgate. X Remove screws :. X Remove the license plate lamp. X Replace the bulb. X Insert the license plate lamp. X Replace and tighten screws :.

Setting the headlamps

: V vertical axis ; H (horizontal) height, measured from the

center

Setting the headlamps correctly is extremely important. Setting the high-beam headlamps also sets the low-beam headlamps. (The term headlamps covers both high and low beam.)

To check and adapt the headlamp setting, proceed as follows: X Park the vehicle on level ground at a

distance of 25 feet (7.6 m) from a wall or similar.

X Make sure that the vehicle load is in the

normal range.

X Switch on the L low-beam headlamps. If the light of the headlamps is not distributed as shown in the illustration above, follow the instructions below: X Open the hood (Y page 294).

The adjustment screws are located under the cover. X Insert a suitable tool into the openings in

the cover. The directions of arrow = and ? indicate the angle at which the tool needs to be inserted in order to reach the adjustment screws.

X Turn both screws uniformly until the

vertical setting corresponds to :. Turn the screws clockwise to adjust the headlamp upwards and counterclockwise to adjust it downwards. Gradation: RScrew at arrow =: 0.67˚ angle of

inclination

RScrew at arrow ?: 0.50˚ angle of

inclination

The left and right headlamp need to be adjusted individually. i If it is not possible to adjust the headlamps accurately, have the

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adjustment performed at an authorized Mercedes-Benz Center.

Switching the windshield wipers on/ off

Windshield wipers

125

Windshield wipers Important safety notes G Warning! Wiper blades are components that are subject to wear and tear. Replace the wiper blades twice a year, preferably in the spring and fall. Otherwise the windows will not be wiped properly. As a result, you may not be able to observe surrounding traffic conditions and could cause an accident.

! Do not operate the windshield wipers when the windshield is dry, as this could damage the wiper blades. Moreover, dust that has collected on the windshield/rear window can scratch the glass if wiping takes place when the windshield/rear window is dry. If it is necessary to switch on the windshield wipers in dry weather conditions, always use washer fluid when operating the windshield wipers.

12 Rain sensor set to low sensitivity. 13 Rain sensor set to high sensitivity.

Combination switch 1 $ Windshield wipers off 2 Ä Intermittent wipe, low12
3 Å Intermittent wipe, high13
4 ° Continuous wipe, slow 5 ¯ Continuous wipe, fast B í Single wipe/ î To wipe the

windshield using washer fluid

X Switch on the ignition. X Turn the combination switch to the

corresponding position.

! Intermittent wiping with rain sensor: due

to optical influences and the windshield becoming dirty in dry weather conditions, the windshield wipers may be activated inadvertently. This could then damage the windshield wiper blades or scratch the windshield. For this reason, you should always switch off the windshield wipers in dry weather.

In the Ä or Å position, the appropriate wiping frequency is set automatically according to the intensity of the rain. In the Å position, the rain sensor is more sensitive than in the Ä position, causing the windshield wiper to wipe more frequently. Intermittent wiping is interrupted when you stop the vehicle and open a front door. This

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126 Windshield wipers

prevents a person from being splashed inadvertently when getting into or out of the vehicle. Intermittent wiping continues when all doors are closed and Ryou shift the automatic transmission to

drive position D or reverse gear R or

Ryou change the wipe setting on the

combination switch.

i To prevent smearing on the windshield or

noise when wiping, wipe the windshield occasionally with washer fluid.

Switching the rear window wiper on/ off

Combination switch : è Switch 2 ô To wipe with washer fluid 3 I To switch on intermittent wiping 4 0 To switch off intermittent wiping 5 ô To wipe with washer fluid X Turn the key to position 1 or 2 in the ignition

lock.

X Turn switch : on the combination switch

to the corresponding position. When the rear window wiper is switched on, the icon appears in the instrument cluster.

Replacing the wiper blades Important safety notes G Warning For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-board electronics are in state 0). Otherwise, the wiper motor could be switched on suddenly and cause injury.

! To avoid damaging the wiper blades,

make sure that you touch only the wiper arm of the wiper.

! Never open the hood if a windshield wiper

arm has been folded away from the windshield. Never fold a windshield wiper arm without a wiper blade back onto the windshield. Hold the windshield wiper arm firmly when you change the wiper blade. If you release the windshield wiper arm without a wiper blade and it falls onto the windshield, the windshield can be damaged by the force of the impact. Mercedes-Benz recommends that you have the wiper blades replaced by a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center.

Replacing the windshield wiper blades Removing the wiper blades X Remove the SmartKey from the ignition

lock.

X Fold the wiper arm away from the

windshield.

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Windshield wipers

127

Remove the key from the ignition lock before replacing the wiper blade.

Removing the wiper blade

X Press both release clips ;. X Fold wiper blade : in the direction of

arrow = away from wiper arm ?.

X Remove wiper blade : in the direction of

arrow A.

Installing the wiper blades

X Position the new wiper blade : with

recess B on lug A.

X Fold wiper blade : in the direction of

arrow = onto the wiper arm, until retaining clips ; engage in bracket ?.

X Make sure that wiper blade : is seated

correctly.

X Fold the wiper arm back onto the

windshield.

Replacing the rear window wiper blade G Warning The wiper arm could be set in motion and injure you if the windscreen wipers are switched on.

X Remove the key from the ignition lock. X Fold wiper arm : away from the rear

window until it engages.

X Position wiper blade ; at a right angle to

wiper arm :.

X Hold wiper arm : and press wiper

blade ; in the direction of the arrow until it is released.

X Remove wiper blade ;.

Installing the wiper blade X Place new wiper blade ; onto wiper

arm :.

X Hold wiper arm : and press wiper

blade ; in the opposite direction to the arrow until it engages.

X Make sure that wiper blade ; is seated

correctly.

X Position wiper blade ; parallel to wiper

arm :.

X Fold wiper arm : back onto the rear

window.

Problems with the windshield wipers The windshield wipers are obstructed Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated.

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128 Windshield wipers

X For safety reasons, you should remove the

key from the ignition lock.

or X Switch off the engine using the Start/Stop

button and open the driver's door.

X Remove the cause of the obstruction. X Switch the windshield wipers back on.

The windshield wipers are not working The windshield wiper drive is malfunctioning. X Select another wiper speed on the

combination switch.

X Have the windshield wipers checked at a

qualified specialist workshop.

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Vehicle equipment ............................ 130
Overview of climate control sys- tems ................................................... 130
Operating the control systems ........ 136
Setting the air vents ......................... 142

129

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130 Overview of climate control systems

i Ventilate the vehicle for a brief period

during warm weather, e.g. using the convenience opening feature (Y page 86). This will speed up the cooling process and the desired vehicle interior temperature will be reached more quickly.

i The integrated filter can filter out most

particles of dust and completely filters out pollen. A clogged filter reduces the amount of air supplied to the vehicle interior. For this reason, you should always observe the interval for replacing the filter, which is specified in the Service Booklet. As it depends on environmental conditions, e.g. heavy air pollution, the interval may be shorter than stated in the Service Booklet.

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.

Overview of climate control systems Important safety notes G Warning Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interior and the windows could fog up, impairing visibility and endangering you and others. Have a clogged filter replaced as soon as possible at an authorized Mercedes-Benz Center. G Warning Follow the recommended settings for heating and cooling given on the following pages. Otherwise, the windows could fog up, impairing visibility and endangering you and others.

Dual-zone automatic climate control/multi- zone automatic climate control14 controls the temperature and the humidity of the vehicle interior and filters out undesirable substances from the air. Dual-zone automatic climate control/multi- zone automatic climate control14 is only operational when the engine is running15. Optimum operation is only achieved when you drive with the side windows and tilt/ sliding sunroof closed.

14 For Canada only. 15 The "residual heat" function can only be switched on/off when the ignition is switched off.

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Overview of climate control systems

131

Control panel for the dual-zone automatic climate control

Function

: Sets the temperature, left ; Sets climate control to

automatic

= Defrosts the windshield

? Increases the airflow A Directs the airflow through the

defroster vents

B Switches cooling with air dehumidification on/off

Switches the residual heat function on/off

C Sets the temperature, right D Switches rear-compartment

climate control on/off

i Notes/tips Set the temperature to 72 ‡ (22 †). Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Only use the "defrosting" function briefly until the windshield is clear again.

Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Use the residual heat function if you want to heat or ventilate the vehicle interior when the ignition is switched off. The "residual heat" function can only be activated or deactivated with the ignition switched off. Set the temperature to 72 ‡ (22 †).

E Directs the airflow through the

center and side air vents F Directs the airflow to the

footwells and side air vents

G Displays the airflow level H Reduces the airflow

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132 Overview of climate control systems

Function

i Notes/tips

I Switches the rear window

heating on/off

J Activates/deactivates air-

recirculation mode

K Interior temperature sensor L Switches climate control on/

off

Only use "air-recirculation" mode briefly, e.g. if there are unpleasant outside odors or when in a tunnel. The windows could otherwise fog up as, in air- recirculation mode, no fresh air is drawn into the vehicle.

Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up.

Control panel for the multi-zone automatic climate control

For USA only

Function Front control panel

: Sets the temperature, left ; Sets climate control to

automatic

i Notes/tips

Set the temperature to 72 ‡ (22 †). Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up.

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Overview of climate control systems

133

Function

= Defrosts the windshield

i Notes/tips Only use the "defrosting" function briefly until the windshield is clear again.

? Increases the airflow A Directs the airflow through the

defroster vents

B Switches cooling with air dehumidification on/off

Switches the residual heat function on/off

C Sets the temperature, right D Switches rear-compartment

climate control on/off

E Directs the airflow through the

center and side air vents F Directs the airflow to the

footwells and side air vents

Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Use the residual heat function if you want to heat or ventilate the vehicle interior when the ignition is switched off. The "residual heat" function can only be activated or deactivated with the ignition switched off. Set the temperature to 72 ‡ (22 †).

G Displays the airflow level H Reduces the airflow I Switches the rear window

heating on/off

J Activates/deactivates air-

recirculation mode

K Interior temperature sensor L Switches climate control on/

off

Rear control panel M Increases the airflow

Only use "air-recirculation" mode briefly, e.g. if there are unpleasant outside odors or when in a tunnel. The windows could otherwise fog up as, in air- recirculation mode, no fresh air is drawn into the vehicle.

Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up.

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134 Overview of climate control systems

i Notes/tips Set the temperature to 72 ‡ (22 †).

Function

N Sets the temperature O Sets the rear-compartment climate control to automatic

P Directs the airflow through the

rear air vents

Q Directs the airflow through the

footwell vents

R Switches rear-compartment

climate control on/off

S Reduces the airflow

For Canada only Function Front control panel

: Sets the temperature, left ; Sets climate control to

automatic

= Directs the airflow through the

defroster vents, left

i Notes/tips

Set the temperature to 72 ‡ (22 †). Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up.

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Overview of climate control systems

135

Function

? Defrosts the windshield

i Notes/tips Only use the "defrosting" function briefly until the windshield is clear again.

A Increases the airflow B Switches the rear window

heating on/off

C Directs the airflow through the

defroster vents, right

D Operates the rear-

compartment climate control via the front control panel E Sets the temperature, right F Switches climate control on/

off

G Directs the airflow to the

footwells and side air vents, right

H Directs the airflow through the center and side air vents, right

I Switches cooling with air dehumidification on/off

Switches the residual heat function on/off

J Display K Reduces the airflow L Activates/deactivates air-

recirculation mode

M Directs the airflow through the center and side air vents, left

N Directs the airflow to the

footwells and side air vents, left

Set the temperature to 72 ‡ (22 †). Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up.

Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Use the residual heat function if you want to heat or ventilate the vehicle interior when the ignition is switched off. The "residual heat" function can only be activated or deactivated with the ignition switched off.

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136 Operating the control systems

Function

i Notes/tips

Use the MONO function if you want to adopt the temperature, air distribution and airflow settings from the driver's side for all climate control zones. The indicator lamp in the º button lights up.

Set the temperature to 72 ‡ (22 †).

O Interior temperature sensor P Switches the MONO function

on/off

Rear control panel Q Increases the airflow R Sets the temperature S Sets the rear-compartment climate control to automatic

T Directs the airflow through the

rear air vents

U Directs the airflow through the

footwell vents

V Switches rear-compartment

climate control on/off

W Reduces the airflow

Operating the control systems Switching the control on/off Important information G Warning! When the climate control system is deactivated, the outside air supply and circulation are also deactivated. Only choose this setting for a short time. Otherwise the windows could fog up, impairing visibility and endangering you and others.

i Activate climate control primarily using

the à button (Y page 138).

Activating/deactivating the front climate control using the front control panel X Turn the key to position 2 in the ignition

lock.

X To activate: press the à button.

The indicator lamp in the à button lights up. Airflow and air distribution are set to automatic mode.

or X Press the ^ button.

The indicator lamp in the ^ button goes out. The previously selected settings come into effect again.

X To deactivate: press the ^ button.

The indicator lamp in the ^ button lights up.

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Activating/deactivating the rear- compartment climate control using the front control panel (dual-zone automatic climate control) X Turn the key to position 2 in the ignition

lock.

X To activate/deactivate: press the ±

button (Y page 131). The indicator lamp in the ± button lights up or goes out.

Activating/deactivating the rear- compartment climate control using the front control panel (multi-zone automatic climate control) For USA only: X Turn the key to position 2 in the ignition

X To activate/deactivate: press the ±

button (Y page 132). The indicator lamp in the ± button lights up or goes out. For Canada only: X Turn the key to position 2 in the ignition

lock.

lock.

X To activate: press the Y button (Y page 132). ON and MODE are shown in the multi-zone automatic climate control display behind the Y symbol. The MODE display goes out after three seconds. The display switches back to the standard display. X To deactivate: press the Y button (Y page 132). MODE is shown in the display behind the Y symbol. X Press the ^ button (Y page 132). OFF is shown in the display behind the Y symbol.

Operating the control systems

137

Activating/deactivating the rear- compartment climate control using the rear control panel (multi-zone automatic climate control) X Turn the key to position 2 in the ignition

lock.

X Activate multi-zone automatic climate

control with the front control panel. X To activate: press the à button.

The indicator lamp in the à button lights up.

X To deactivate: press the ^ button.

The indicator lamp in the ^ button lights up.

Switching cooling with air dehumidification on/off Important information The cooling with air dehumidification function is only available when the engine is running. The air inside the vehicle is cooled and dehumidified according to the temperature selected. G Warning If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others.

Condensation may drip from the underside of the vehicle when automatic climate control is in cooling mode. This is normal and not a sign that there is a malfunction. i The cooling with air dehumidification function uses refrigerant R134a. This coolant does not contain chlorofluorocarbons, and therefore does not damage the ozone layer.

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138 Operating the control systems

Activating/deactivating ! If the cooling with air dehumidification does not switch on, it is possible that the climate control system has lost coolant. Have the cooling with air dehumidification checked at a qualified specialist workshop.

X To switch on: press the Á button.

The indicator lamp in the Á button lights up.

X To switch off: press the Á button.

The indicator lamp in the Á button goes out. The cooling with air dehumidification function has a delayed switch-off feature.

Problems with the "cooling with air dehumidification" function If the indicator lamp in the Á button does not go out when switched off, the cooling with air dehumidification function is switched off due to a malfunction. You can no longer activate the cooling with air dehumidification function. X Consult a qualified specialist workshop.

Setting climate control to automatic G Warning If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others.

In automatic mode, the set temperature is maintained automatically at a constant level. The system automatically regulates the temperature of the dispensed air, the airflow and the air distribution. Automatic mode will achieve optimal operation if cooling with air dehumidification is also activated. If desired, cooling with air dehumidification can be deactivated.

Controlling the front climate control using the front control panel X Turn the SmartKey to position 2 in the

ignition lock.

X Set the desired temperature. X To activate: press the à button.

The indicator lamp in the à button lights up. Automatic air distribution and airflow are activated.

X To deactivate: press the K or I

button. The indicator lamp in the à button goes out. Automatic airflow is deactivated and the airflow is controlled according to the level set. Automatic air distribution remains activated.

or X Press the Z, M, ¯, \, P,

c or O button. The indicator lamp in the à button goes out. Automatic air distribution is deactivated. Air distribution is controlled according to the position set. Automatic airflow remains activated.

Controlling the rear-compartment climate control automatically using the rear control panel X Turn the SmartKey to position 2 in the

ignition lock.

X Activate multi-zone automatic climate control using the front control panel.

X Set the desired temperature. X To activate: press the à button.

The indicator lamp in the à button lights up. Automatic air distribution and airflow are activated.

X To deactivate: press the K or I

button. Automatic airflow is deactivated and the airflow is controlled according to the level

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set. Automatic air distribution remains activated.

or X Press one of the M or O buttons. Automatic air distribution is deactivated. Air distribution is controlled according to the position set. Automatic airflow remains activated.

Setting the temperature Dual-zone automatic climate control Different temperatures can be set for the driver's and front-passenger sides. X Turn the SmartKey to position 2 in the

ignition lock.

X To increase/reduce: turn controls : and

C clockwise or counter-clockwise (Y page 131). Only change the temperature setting in small increments. Start at 72 ‡ (22 †).

Multi-zone automatic climate control

Operating the control systems

139

front control panel: turn the SmartKey in the ignition lock to position 2.

X Turn thumbwheels : and C16/E17

clockwise or counter-clockwise (Y page 132). Only change the temperature setting in small increments. Start at 72 ‡ (22 †).

For USA only: X To increase/reduce the rear-

compartment temperature using the front control panel: turn the SmartKey in the ignition lock to position 2.

X Press the ± button. X Turn control C clockwise or counter-

clockwise (Y page 132). Only change the temperature setting in small increments. Start at 72 ‡ (22 †).

For Canada only: X To increase/reduce the rear-

compartment temperature using the front control panel: turn the SmartKey in the ignition lock to position 2.

X Press the Y button.

The display changes to rear-compartment climate control.

X Turn control E clockwise or counter-

clockwise (Y page 132). Only change the temperature setting in small increments. Start at 72 ‡ (22 †). i To return to the standard display, press

the Y button.

Climate zones of multi-zone automatic climate control You can select different temperature settings for the driver's and front-passenger sides as well as for the rear compartment. X To increase/reduce the front-

compartment temperature using the

16 USA only. 17 Canada only.

i The rear display changes to the standard display automatically after three seconds. X To increase/reduce the temperature in

the rear compartment using the rear control panel: turn the SmartKey in the ignition lock to position 2.

X Turn thumbwheel N16/R17 clockwise or

counter-clockwise (Y page 132). Only change the temperature setting in small increments. Start at 72 ‡ (22 †).

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140 Operating the control systems

Setting the air distribution Multi-zone automatic climate control: you can set the air distribution individually for the driver's and front-passenger sides.18
Front control unit: Z directs the airflow through the

defroster vents

M directs the airflow through the

defroster vents

¯ directs the airflow through the

defroster vents

c directs the airflow through the footwell

and side air vents

O directs the airflow through the footwell

and side air vents

\ directs the airflow through the center

and side air vents

P directs the airflow through the center

and side air vents

Rear control panel: M directs the airflow through the rear-

compartment air vents

O directs the airflow through the footwell

air vents

X Turn the key to position 2 in the ignition

lock.

X Press the Z, M, ¯, c, O,

\ or P button.

Setting the airflow X Turn the SmartKey to position 2 in the

X To increase/reduce: press the K or

ignition lock.

I button.

Vehicles with Voice Control System: when voice control is started, the airflow is restricted to 50%. After voice control is

18 Canada only. 19 Canada only. 20 Depending on the outside temperature.

finished, the airflow is adjusted back to the previous setting.

Switching the MONO function on/off Only multi-zone automatic climate control features the "MONO" function.19
You can use the MONO function to adopt the settings configured for temperature, air distribution and airflow on the driver's side for the front-passenger side and the rear compartment. X Press the º button.

The indicator lamp in the º button lights up or goes out.

Defrosting the windshield You can use this function to defrost the windshield or to defrost the inside of the windshield and the side windows. i You should only select the defrosting

function until the windshield is clear again.

X Turn the SmartKey to position 2 in the

ignition lock.

X To activate: press the ¦ button.

The indicator lamp in the ¦ button lights up. The climate control system switches to the following functions: Rcooling with air dehumidification on Rhigh airflow20
Rhigh temperature20
Rair distribution to the windshield and

front side windows

Rair-recirculation mode off

X To deactivate: press the ¦ button.

The indicator lamp in the ¦ button goes out. The previously selected settings come into effect again. The cooling with air

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Operating the control systems

141

dehumidification function remains on. Air- recirculation mode remains deactivated.

or X Press the ^ button. or X Press the à button. or X Turn the temperature control clockwise or

counter-clockwise.

or X Press the K or I button.

The rear window heating has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes. If the battery voltage is too low, the rear window heating may switch off. X Turn the SmartKey to position 2 in the

ignition lock.

X Press the ª button.

The indicator lamp in the ª button lights up or goes out.

Defrosting the windows Windows fogged up on the inside X Activate the "cooling with air

dehumidification" function Á. X Activate automatic mode Ã. X If the windows continue to fog up, activate

the defrosting function (Y page 140).

i You should only select this setting until

the windshield is clear again.

Windows fogged up on the outside X Switch on the windshield wipers. X Press the P/\21 or O/c21

air distribution button.

i You should only select this setting until

the windshield is clear again.

Rear window heating Activating/deactivating G Warning Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others.

21 Canada only.

Problems with the rear window heating If the indicator lamp in the ª rear window heating button flashes, the on-board voltage is too low or the roof is open. The rear window heating has deactivated itself prematurely or cannot be activated. X Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery is sufficiently charged, the rear window heating is activated again automatically.

Activating/deactivating air- recirculation mode You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. The operation of the air-recirculation mode is the same for all control panels. G Warning Fogged windows impair visibility, endangering you and others. If the windows begin to fog on the inside, switching off the air recirculation mode immediately should clear interior window fogging. If interior window fogging persists, make sure the air conditioning is activated, or press the ¬ button.

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142 Setting the air vents

i If you activate the "residual heat" function at high temperatures, only the ventilation will be activated. The blower runs at medium speed.

X Turn the SmartKey to position 0 in the

ignition lock or remove it.

X To switch on: press the Á button.

The indicator lamp in the Á button lights up.

X To switch off: press the Á button.

The indicator lamp in the Á button goes out.

i Residual heat is deactivated

automatically: Rafter about 30 minutes Rwhen the ignition is switched on Rif the battery voltage drops Rif the coolant temperature is too low

Setting the air vents Important safety notes G Warning When operating the climate control, the air that enters the passenger compartment through the air vents can be very hot or very cold (depending on the set temperature). This could cause burns or frostbite to unprotected skin in the immediate area of the air vents. Always keep sufficient distance between unprotected parts of the body and the air vents. If necessary, use the air distribution adjustment to direct the air to air vents in the vehicle interior that are not in the immediate area of unprotected skin.

X Turn the SmartKey to position 2 in the

ignition lock.

X To activate: press the d button.

The indicator lamp in the d button lights up.

i Air-recirculation mode is activated

automatically at high outside temperatures. When air-recirculation mode is activated automatically, the indicator lamp in the d button is not lit. Outside air is added after about 30
minutes.

X To deactivate: press the d button.

The indicator lamp in the d button goes out.

i Air-recirculation mode switches off

automatically: Rafter approximately five minutes if

outside temperatures are under about 41 ‡ (5 †)

Rafter approximately five minutes if cooling with air dehumidification is deactivated

Rafter approximately 30 minutes if outside

temperatures are over about 41 ‡ (5 †)

i The air-recirculation mode does not

switch off automatically if outside temperatures exceed 79 ‡ (26 †). After about 30 minutes, outside air will be added.22

Switching the residual heat on/off It is possible to make use of the residual heat of the engine to continue heating the stationary vehicle for up to 30 minutes after the engine has been switched off. The heating time depends on the temperature that has been set. i The blower will run at a low speed

regardless of the airflow setting.

22 Vehicles with multi-zone automatic climate control.

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In order to ensure the direct flow of fresh air through the air vents into the vehicle interior, please observe the following notes: Rkeep the air inlet grille on the hood free of

blockages, such as ice, snow or leaves

Rnever cover the vents or air inlet and outlet

grilles in the vehicle interior.

i For virtually draft-free ventilation, adjust

the sliders of the air vents to the center position.

Setting the center air vents

X To open/close: turn thumbwheel = to the

left or right.

i Side window defroster vent : is never

completely shut, even if side air vent ; is shut.

Setting the rear-compartment air vents Setting the center vents in the rear compartment

: Center air vent, left ; Center air vent, right = Center vent thumbwheel, right ? Center vent thumbwheel, left X To open/close: turn thumbwheels =

and ? to the right or left.

Setting the side air vents

: Rear-compartment air vent, left ; Rear-compartment air vent, right = Rear control panel23
When the climate control panel is switched on/off, the air supply through the rear- compartment air vents is also switched on/ off.

23 Vehicles with multi-zone automatic climate control.

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144 Setting the air vents

Center vents in the rear compartment (3rd row of seats) : Rear-compartment air vent, left ; Rear-compartment air vent, right = Rear-compartment air vent thumbwheel,

right

? Rear-compartment air vent thumbwheel,

left

X To open/close: turn thumbwheels =

or ? up or down.

Setting the rear-compartment side air vents

: B-pillar air vent ; B-pillar air vent = Thumbwheel for B-pillar air vent, rear ? Thumbwheel for B-pillar air vent, front X To open/close: turn thumbwheels =

or ? up or down.

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145

Vehicle equipment ............................ 146
Notes on breaking-in a new vehicle 146
Driving ............................................... 146
Automatic transmission ................... 152
Refueling ............................................ 159
Parking ............................................... 165
Driving tips ........................................ 167
Driving systems ................................ 179
Off-road driving systems .................. 202
Towing a trailer ................................. 209

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146 Driving

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.

Notes on breaking-in a new vehicle The first 1000 miles (1500 km) The more you look after the engine when it is new, the happier you will be with its performance in the future. RDrive at varying vehicle speeds and engine speeds for the first 1000 miles (1500 km) for this reason.

RAvoid overstraining the vehicle during this

period, e.g. driving at full throttle.

RChange gear in good time, at the latest when the tachometer needle is ⅔ of the way to the red area in the tachometer display.

RDo not manually shift to a lower gear to

brake the vehicle.

RIf possible, do not depress the accelerator

pedal past the point of resistance (kickdown).

ROnly select shift ranges 3, 2 or 1 when

driving slowly, e.g. in mountainous terrain. After 1000 miles (1500 km), you can increase the engine speed gradually and bring the vehicle up to full speed. i Also, observe these breaking-in notes

when the vehicle's engine, front-axle transmission or differential have been replaced.

i Always observe the respective speed

restrictions.

Driving Important safety notes G Warning Make sure absolutely no objects are obstructing the pedals' range of movement. Keep the driver's footwell clear of all obstacles. If there are any floormats or carpets in the footwell, make sure the pedals still have sufficient clearance. During sudden driving or braking maneuvers the objects could get caught between the pedals. You could then no longer brake or accelerate. This could lead to accidents and injury. G Warning On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your vehicle's ABS will not prevent this type of loss of control. G Warning It is dangerous to shift the automatic transmission out of parking position P or neutral position N if the engine speed is higher than idle speed. If your foot is not firmly on the brake pedal, the vehicle could accelerate quickly forward or in reverse. You could lose control of the vehicle and hit someone or something. Only shift into gear when the engine is idling normally and when your right foot is firmly on the brake pedal.

! Warm up the engine quickly. Do not use the engine's full performance until it has reached operating temperature. Only shift the automatic transmission to the desired drive position when the vehicle is stationary. Where possible, avoid spinning the drive wheels when pulling away on slippery roads. You could otherwise damage the drive train.

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Driving 147

SmartKey positions SmartKey

g To remove the SmartKey 1 Power supply for some consumers, such

as the windshield wipers

2 Ignition (power supply for all consumers)

and drive position 3 To start the engine As soon as the ignition is switched on, all the indicator lamps in the instrument cluster light up. The indicator lamps of the low-beam headlamps, high-beam headlamps or the turn signal lamps only light up if the low-beam headlamps, high-beam headlamps or turn signal lamps are switched on. If an indicator lamp does not light up when the ignition is switched on, check it and replace it if necessary. If an indicator lamp does not go out after the engine is started or if it lights up while the vehicle is in motion, see (Y page 254). X Remove the SmartKey when the engine is

switched off. The battery may otherwise discharge.

If you cannot turn the SmartKey in the ignition lock, the vehicle battery may not be charged sufficiently. X Check the vehicle battery and charge if

necessary (Y page 323).

or X Jump-start the vehicle (Y page 325). i The SmartKey can be turned in the

ignition lock even if it is not the correct

SmartKey for the vehicle. The ignition is not switched on. The engine cannot be started.

KEYLESS-GO Vehicles with KEYLESS-GO are equipped with a SmartKey with an integrated KEYLESS-GO function and a detachable Start/Stop button. The Start/Stop button must be inserted in the ignition lock and the SmartKey must be in the vehicle. Pressing the Start/Stop button several times in succession corresponds to the different key positions in the ignition lock. This is only the case if you are not depressing the brake pedal. If you depress the brake pedal and press the Start/Stop button, the engine starts immediately. The Start/Stop button can be removed from the ignition lock. Then you can insert the SmartKey in the ignition lock. i You do not have to remove the Start/Stop