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The Intelligent Light System is a system that adjusts the headlamps automatically to suit the prevailing driving and weather conditions. It offers advanced functions for improved illu- mination of the road surface, e.g. depending on the vehicle speed or weather conditions. The system includes the active light function, cornering light function, motorway mode and extended range foglamps. The system is only active when it is dark. You can activate or deactivate the "Intelligent Light System" using the on-board computer (Y page 234).
Active light function
The active light function is a system that moves the headlamps according to the steer- ing movements of the front wheels. In this way, relevant areas remain illuminated while driving. This allows you to recognise pedes- trians, cyclists and animals. Active: when the lights are switched on.
Exterior lighting 131
Cornering light function
The cornering light function improves the illu- mination of the road over a wide angle in the direction you are turning, enabling better vis- ibility in tight bends, for example. The corner- ing light function can only be activated when the dipped-beam headlamps are switched on. Active: Rif you are driving at speeds below
40 km/h and switch on the turn signal or turn the steering wheel.
Rif you are driving at speeds between
40 km/h and 70 km/h and turn the steer- ing wheel.
Not active: if you are driving at speeds above 40 km/h or switch off the turn signal or turn the steering wheel to the straight-ahead posi- tion. The cornering lamp may remain lit for a short time, but is automatically switched off after no more than three minutes.
Motorway mode
132 Exterior lighting
Motorway mode increases the range of the beam. Active: Rif you are driving at speeds above
110 km/h and do not make any large steer- ing movements for 1,000 m
Rif you are driving at speeds above
130 km/h
Not active: if you are driving at speeds below 80 km/h following activation.
In very rare cases, Adaptive Highbeam Assist recognises road users too late or not at all. In this, or in similar situations, the automatic main-beam headlamps will not be deactivated or activated regardless. There is a risk of an accident. Always carefully observe the traffic conditions and switch off the main-beam headlamps in good time.
Extended range foglamps
The extended range foglamps reduce the glare experienced by the driver and improve the illumination of the edge of the carriage- way. Active: if you are driving at speeds below 70 km/h and you switch on the rear foglamp. Not active: if you are driving at speeds above 100 km/h or if you switch off the rear foglamp following activation.
Adaptive Highbeam Assist Important safety notes G WARNING Adaptive Highbeam Assist does not recognise road users: Rwho have no lights, e.g. pedestrians Rwho have poor lighting, e.g. cyclists Rwhose lighting is blocked, e.g. by a barrier
You can use this function to set the head- lamps to change between dipped beam and main beam automatically. The system recog- nises vehicles with their lights on, either approaching from the opposite direction or travelling in front of your vehicle, and conse- quently switches the headlamps from main beam to dipped beam. The system automatically adapts the dipped- beam headlamp range depending on the dis- tance to the other vehicle. Once the system no longer detects any other vehicles, it reac- tivates the main-beam headlamps. The system's optical sensor is located behind the windscreen near the overhead control panel.
Switching Adaptive Highbeam Assist on and off
: Main-beam headlamps ; Turn signal, right = Headlamp flasher ? Turn signal, left X To activate: activate the Adaptive High- beam Assist function using the on-board computer (Y page 235).
X Turn the light switch to Ã. X Press the combination switch beyond the
pressure point in the direction of arrow : (Y page 129). The _ indicator lamp in the multifunc- tion display lights up if it is dark and the light sensor activates the dipped-beam headlamps. If you are driving at speeds above 45 km/h: the headlamp range is set automatically depending on the distance between the vehicle and other road users. If you are driving at speeds above 55 km/h and no other road users are rec- ognised: the main-beam headlamps are switched on automatically. The K indicator lamp in the instrument cluster also lights up. If you are driving at speeds below 45 km/h or other road users are recog- nised or the roads are adequately lit: the main-beam headlamps are switched off automatically. The K indicator lamp in the instrument cluster goes out. The _
Interior lighting 133
indicator lamp in the multifunction display remains lit.
X To deactivate: move the combination
switch back to its normal position. The _ indicator lamp in the instrument cluster goes out.
Headlamps misted up on the inside The headlamps may mist up on the inside if there is high atmospheric humidity. X Switch on the lights and drive off.
The level of moisture diminishes, depend- ing on the length of the journey and the weather conditions (humidity and temper- ature).
If the level of moisture does not diminish: X Have the headlamps checked at a qualified
specialist workshop.
Interior lighting Overview of interior lighting
Overhead control panel : p Switches the left-hand reading lamp
on/off
; c Switches the interior lighting on = | Switches the interior lighting/auto-
matic interior lighting control off
? p Switches the right-hand reading
lamp on/off
A To switch the automatic interior lighting
control on
134 Replacing bulbs
Interior lighting control General notes In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the key is in position 2 in the ignition lock.
Automatic interior lighting control
switch-off using the on-board computer (Y page 236).
Manual interior lighting control X To switch the interior lighting on: set the
switch to the c position.
X To switch the interior lighting off: set the switch to the | or (if the door is closed) to the centre position.
X To switch the reading lamps on/off:
press the p button.
Crash-responsive emergency lighting The interior lighting is activated automatically if the vehicle is involved in an accident. X To switch off the crash-responsive emergency lighting: press the hazard warning lamp button.
or X Lock and then unlock the vehicle using the
key.
Replacing bulbs
G DANGER Xenon bulbs are under high voltage. You can get an electric shock if you remove the cover of the xenon bulb and touch the electrical contacts. There is a risk of fatal injury. Never touch the parts or the electrical con- tacts of the xenon bulb. Always have work on the xenon bulbs carried out at a qualified spe- cialist workshop.
The front and rear lamps of your vehicle are equipped with either xenon or LED bulbs. Do not replace the bulbs yourself. Contact a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. Bulbs and lamps are an important aspect of vehicle safety. You must therefore make sure
Overhead control panel : p To switch the left-hand reading lamp
on/off
; c To switch the interior lighting on = | To switch the interior lighting/auto-
matic interior lighting control off
? p To switch the right-hand reading
lamp on/off
A To switch the automatic interior lighting
control on
X To switch on: set the switch to centre
position A.
X To switch off: set the switch to the |
position.
The interior lighting automatically switches on if you: Runlock the vehicle Ropen a door Rremove the key from the ignition lock The interior lighting is activated for a short time when the key is removed from the igni- tion lock. You can activate this delayed
Windscreen wipers
135
that these function correctly at all times. Have the headlamp setting checked regularly.
Windscreen wipers Switching the windscreen wipers on/ off ! Do not operate the windscreen wipers when the windscreen is dry, as this could damage the wiper blades. Moreover, dust that has collected on the windscreen can scratch the glass if wiping takes place when the windscreen is dry. If it is necessary to switch on the wind- screen wipers in dry weather conditions, always operate them using washer fluid.
! If the windscreen wipers leave smears on the windscreen after the vehicle has been washed in an automatic car wash, this may be due to wax or other residue. Clean the windscreen with washer fluid after an auto- matic car wash.
! Intermittent wiping with rain sensor: due to optical influences and the windscreen becoming dirty in dry weather conditions, the windscreen wipers may be activated inadvertently. This could damage the wind- screen wiper blades or scratch the wind- screen. For this reason, you should always switch off the windscreen wipers in dry weather.
Combination switch 1 $ Windscreen wipers off 2 Ä Intermittent wipe, low (rain sensor
set to low sensitivity)
3 Å Intermittent wipe, high (rain sensor
set to high sensitivity)
4 ° Continuous wipe, slow 5 ¯ Continuous wipe, fast B í Single wipe/ î to wipe the wind-
screen using washer fluid
X Turn the key to position 1 or 2 in the ignition
lock.
X Turn the combination switch to the corre-
sponding position.
In the Ä or Å position, the appropriate wiping frequency is set automatically accord- ing to the intensity of the rain. In the Å position, the rain sensor is more sensitive than in the Ä position, causing the wind- screen wipers to wipe more frequently. If the wiper blades are worn, the windscreen will no longer be wiped properly. This could prevent you from observing the traffic condi- tions, thereby causing an accident. Replace the wiper blades twice a year, ideally in spring and autumn. i The vehicle is equipped with the MAGIC VISION CONTROL wipe/wash system. The washer fluid is fed through the wiper blades and when wiping the screen with washer fluid î, the water is emitted directly from the blades.
136 Windscreen wipers
Replacing the wiper blades Important safety notes G WARNING If the windscreen wipers begin to move while you are changing the wiper blades, you can be trapped by the wiper arm. There is a risk of injury. Always switch off the windscreen wipers and ignition before changing the wiper blades.
! To avoid damaging the windscreen wiper blades, make sure that you touch only the wiper arm of the windscreen wiper.
! Never open the bonnet if a windscreen wiper arm has been folded away from the windscreen. Never fold a windscreen wiper arm without a wiper blade back onto the windscreen. Hold the windscreen wiper arm firmly when you change the wiper blade. If you release the windscreen wiper arm without a wiper blade and it falls onto the windscreen, the windscreen may be damaged by the force of the impact. Mercedes-Benz recommends that you have the wiper blades changed at a qualified specialist workshop.
! Always position the windscreen wiper arms vertically before folding them away from the windscreen. By doing so, you will avoid damage to the bonnet.
Replacing the windscreen wiper blades Moving the wiper blades to a vertical posi- tion On vehicles without KEYLESS-GO: X Turn the key to position 1 or 2 in the ignition
lock.
X Set the windscreen wipers to posi-
tion °.
X When the wiper arms have reached a ver- tical position, turn the key to position 0 and remove it from the ignition lock.
X Fold the wiper arm away from the wind-
screen until it engages.
On vehicles with KEYLESS-GO: X Switch off the engine. X Remove your foot from the brake pedal. X Set the windscreen wipers to posi-
tion °.
X Press the Start/Stop button repeatedly
until the windscreen wipers start.
X When the wiper arms have reached a ver- tical position, press the Start/Stop button.
X Fold the wiper arm away from the wind-
screen until it engages.
Removing the wiper blades
X To bring the wiper blade into position to be removed: hold the wiper arm firmly with one hand. With the other hand, turn the wiper blade in the direction of arrow = beyond the point of resistance. The wiper blade engages in the removal position with an audible click.
X To remove a wiper blade: firmly press release knob ; and pull the wiper blade upwards :.
Fitting the wiper blades
Windscreen wipers
137
X Push the new wiper blade in the direction
of arrow : onto the wiper arm until tab ; engages.
X Push the wiper blade out of the removal
position in the direction of arrow = beyond the point of resistance. The wiper blade disengages with an audible click and is freely movable again.
X Make sure that wiper blade is seated cor-
rectly.
X Fold the wiper arm back onto the wind-
screen.
138 Windscreen wipers
Problems with the windscreen wipers Problem The windscreen wipers are jammed.
Possible causes/consequences and M Solutions Leaves or snow, for example, may be obstructing the windscreen wiper movement. The wiper motor has been deactivated. 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 windscreen wipers back on. The windscreen wiper drive is malfunctioning. X Select another wiper speed on the combination switch. X Have the windscreen wipers checked at a qualified specialist
workshop.
The windscreen wipers fail completely.
Useful information ............................ 140
Overview of climate control sys- tems ................................................... 140
Operating the climate control sys- tem ..................................................... 142
Adjusting the air vents ..................... 148139
140 Overview of climate control systems
Useful information
i This Owner's Manual describes all mod- els, series and optional equipment for your vehicle that were available at the time of going to press. National variations are pos- sible. Note that your vehicle may not be equipped with all of the functions descri- bed. This is also the case for systems and functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 38).
Overview of climate control systems Important safety notes G WARNING Observe the settings recommended on the following pages. The windows could other- wise mist up. This may prevent you from observing the traffic conditions, thereby caus- ing an accident.
Climate control regulates the temperature and the humidity in the vehicle interior and filters undesirable substances out of the air. Climate control is only operational when the engine is running. The system only works optimally if the side windows and the roof are closed. The residual heat function can only be acti- vated or deactivated with the ignition switched off (Y page 148). i Ventilate the vehicle for a brief period
during warm weather. This will speed up the cooling process and the desired vehicle interior temperature will be reached more quickly.
i It is possible that the residual heat func- tion may be activated automatically an hour after the key has been removed in order to dry the air-conditioning system. The vehicle is then ventilated for 30 minutes to dry the air-conditioning system.
Overview of climate control systems
141
Control panel for THERMOTRONIC automatic climate control (2-zone)
: Sets the temperature, left (Y page 144) ; Sets climate control to automatic mode (Y page 143) = Demists the windscreen (Y page 145) ? Activates/deactivates the residual heat function (Y page 148) A Activates/deactivates cooling with air dehumidification (Y page 142) B Switches the rear window heating on/off (Y page 146) C Switches the ZONE function on/off (Y page 145) D Sets the temperature, right (Y page 144) E Switches climate control on/off (Y page 142) F Sets the air distribution (Y page 144) G Sets the airflow (Y page 145) H Sets the climate mode (Y page 143) I Activates/deactivates air-recirculation mode (Y page 146)
Information about using THERMOTRONIC automatic climate control The following contains instructions and rec- ommendations to enable you to get the most out of your THERMOTRONIC automatic cli- mate control. RActivate climate control using the à and
¿ buttons or the Á button on the control panel for the climate control. The
indicator lamps in the à and ¿ but- tons or the Á button light up.
RIn automatic mode, you can also use the ñ button on the control panel for the climate control to set a climate mode (FOCUS/MEDIUM/DIFFUSE). The MEDIUM level is recommended.
RSet the temperature to 22 †. ROnly use the demisting function briefly until
the windscreen is clear again.
ROnly use the air-recirculation mode briefly, e.g. if there are unpleasant outside odours
142 Operating the climate control system
or when in a tunnel. The windows could otherwise mist up as no fresh air is drawn into the vehicle in air-recirculation mode. RUse the ZONE function to adopt the tem- perature settings on the driver's side for the front-passenger side as well. The indi- cator lamp in the á button goes out.
RUse the residual heat function if you want
to heat or ventilate the vehicle interior when the ignition is switched off. The resid- ual heat function can only be activated or deactivated with the ignition switched off. i During automatic engine switch-off, the ECO start-stop function only operates at a reduced capacity. If you require full climate control capacity, the ECO start/stop func- tion can be deactivated by pressing the ECO button (Y page 158).
Operating the climate control system Switching climate control on/off General notes i If climate control is switched off, the air supply and air circulation are also switched off. Only use this setting for a brief period. The windows could otherwise mist up.
i Switch on climate control primarily using
the à button (Y page 143).
Switching on/off X Turn the key to position 2 in the ignition
lock.
X To switch on: press the à button on the control panel for the climate control. The indicator lamp in the à button lights up. Airflow and air distribution are set to automatic mode.
or X Press the ^ button on the control panel
for the climate control. The indicator lamp in the ^ button goes out. The previous settings are reactivated.
X To switch off: press the ^ button.
The indicator lamp in the ^ button lights up.
Activating/deactivating the cooling with air dehumidification function General notes G WARNING If the "cooling with air dehumidification" func- tion is deactivated, the air inside the vehicle will not be cooled (during warm weather) or dehumidified. The windows could mist up more quickly. This may prevent you from observing the traffic conditions, thereby caus- ing an accident.
The cooling with air dehumidification function is only available when the engine is running. The air inside the vehicle is cooled and dehu- midified according to the temperature selec- ted. Condensation may drip from the underside of the vehicle when cooling mode is active. This is normal and not a sign that there is a mal- function. i The refrigerant that is used by the cooling with air dehumidification does not contain chlorofluorocarbons and therefore does not damage the ozone layer.
Operating the climate control system 143
Switching on/off
¿ button (example) X To activate: press the ¿ button.
The indicator lamp in the ¿ button lights up.
X To deactivate: press the ¿ or Á
button. The indicator lamp in the ¿ button goes out. The cooling with air dehumidification function has a delayed switch-off feature.
Problems with the cooling with air dehumidification function When you press the ¿ or Á button, the indicator lamp in the button flashes three times or remains off. You can no longer switch on the cooling with air dehumidification func- tion. X Visit a qualified specialist workshop.
Setting climate control to automatic mode
In automatic mode, the set temperature is maintained automatically at a constant level. The system automatically regulates the tem- perature of the dispensed air, the airflow and the air distribution. Automatic mode will achieve optimal opera- tion if cooling with air dehumidification is also activated. If desired, cooling with air dehu- midification can be deactivated. X Turn the key 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.
i THERMOTRONIC automatic climate con- trol: when automatic mode is activated, you can select a climate mode (Y page 143). X To select manually: press the _ but-
ton.
or X Press the I or K button.
The indicator lamp in the à button goes out.
Setting the climate mode In automatic mode you can select the follow- ing climate modes: FOCUS
high airflow that is set slightly cooler
MEDIUM medium airflow, standard setting DIFFUSE low airflow that is set slightly
warmer and with less of a draught
144 Operating the climate control system
Setting the air distribution Switching on/off
ñ button (example) X Turn the key to position 2 in the ignition
lock.
X Press the à button. X Press the ñ button repeatedly until the desired climate mode appears in the dis- play.
Setting the temperature Switching on/off
Different temperatures can be set for the driver's and front-passenger sides. X Turn the key to position 2 in the ignition
lock.
X Turn controls : or D clockwise or anti-
clockwise. Turn controls : or D clockwise or anti- clockwise (Y page 141). Only change the temperature setting in small increments. Start at 22 †.
X Turn the key to position 2 in the ignition
lock.
X Press the _ button repeatedly until the
desired symbol appears in the display.
The following air distribution settings can be selected: P Directs the airflow through the centre
and side air vents
O Directs the airflow through the foot-
well air vents
S Directs the airflow through the centre and side air vents as well as the foot- well air vents
¯ Directs the airflow through the demis-
ter vents
b Directs the airflow through the demis-
ter, centre and side air vents
a Directs the airflow through the foot-
well and demister vents
_ Directs the airflow through the demis- ter vents, the centre and side air vents as well as the footwell air vents.
i Regardless of the air distribution setting, airflow is always directed through the side air vents. The side air vents can only be closed when the controls on the side air vents are turned downwards.
Operating the climate control system 145
Setting the airflow Switching on/off
Demisting the windscreen
X Turn the key to position 2 in the ignition
lock.
X To increase: press the K button. X To reduce: press the I button.
Switching the ZONE function on/off
¬ button (example) You can use this function to demist the wind- screen or to demist the inside of the wind- screen and the side windows. Switch off the "demisting" function as soon as the windscreen is clear again. X Turn the key 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: Rhigh airflow Rhigh temperature Rair distribution to the windscreen and
front side windows
X To switch on: press the á button.
The indicator lamp in the á button lights up. The temperature setting for the driver's side is not adopted for the front-passenger side.
X To switch off: press button á.
The indicator lamp in the á button goes out. The temperature setting for the driv- er's side is adopted for the front-passenger side.
Rair-recirculation mode off
X To deactivate: press the ¬ button.
The indicator lamp in the ¬ button goes out. The previous settings are reactivated. Air-recirculation mode remains deactiva- ted.
or X Press the à button.
The indicator lamp in the ¬ button goes out. Airflow and air distribution are set to automatic mode.
or X Turn the temperature controls to the left or to the right on the control panel for the cli-
146 Operating the climate control system
mate control or clockwise or anti-clock- wise. Turn temperature controls : or D clock- wise or anti-clockwise (Y page 141).
or X Press the K or I button.
Demisting the windows Windows misted up on the inside X Activate the cooling with air dehumidifica-
tion function ¿.
X Activate automatic mode Ã. X If the windows continue to mist up, activate
the demisting function (Y page 145).
i You should only select this setting until
the windscreen is clear again.
Windows misted up on the outside X Activate the windscreen wipers. X Press the _ button repeatedly until the
P or O symbol appears in the dis- play.
i You should only select this setting until
the windscreen is clear again.
Rear window heating Switching on/off G WARNING Clear all windows of ice or snow before setting off. Otherwise, impaired visibility could endanger you and others.
The rear window heating has a high current draw. You should therefore switch it off as soon as the window is clear. It otherwise switches off automatically after several minutes. If the battery voltage is too low, the rear win- dow heating may switch off. X Turn the key to position 2 in the ignition
lock.
X Press the ¤ button.
The indicator lamp in the ¤ button lights up or goes out.
Problems with the rear window heating The rear window heating has switched off 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-recircula- tion mode G WARNING Only switch over to air-recirculation mode briefly at low outside temperatures. Other- wise, the windows could mist up, thus impair- ing visibility and endangering yourself and others. This may prevent you from observing the traffic conditions, thereby causing an accident.
Operating the climate control system 147
as the side windows are opened and closed. Make sure that all objects and body parts are clear of the side windows when they are being opened or closed. You or the objects could be drawn in or become trapped between the side window and the door frame as the window moves. If there is a risk of entrapment, oper- ate the W switch to move the side window in the opposite direction.
X Turn the key to position 2 in the ignition
lock.
X To activate: press the g button.
The indicator lamp in the g button lights up.
i Air-recirculation mode is automatically activated at high levels of pollution or at high outside temperatures. When air-recir- culation mode is activated automatically, the indicator lamp in the g button is not lit. Outside air is added after about 30 minutes.
X To deactivate: press the g button.
The indicator lamp in the g button goes out.
i Air-recirculation mode deactivates auto-
matically: Rafter approximately five minutes at out-
side temperatures below about 5 †
Rafter approximately five minutes if cool- ing with air dehumidification is deactiva- ted
Rafter approximately 30 minutes at out- side temperatures above approximately 5 † and when the "Cooling with air dehu- midification" function is active
Convenience opening/closing using the air-recirculation button G WARNING Make sure that nobody can become trapped between the side window and the door frame
X Convenience closing feature: press and
hold the g button until the side win- dows are closed. The indicator lamp in the g button lights up. Air-recirculation mode is activated.
X Convenience opening feature: press and
hold the g button until the side win- dows are opened. The side windows move back to their original positions. The indicator lamp in the g button goes out. Air-recirculation mode is deactivated.
i If you open the side windows manually after closing them with the convenience closing feature, they will remain in this posi- tion when opened using the convenience opening feature.
Adjusting the air vents Important safety notes G WARNING Very hot or very cold air can flow from the air vents. This could cause burns or frostbite to bare skin in the immediate vicinity of the vents. Keep bare skin away from these air outlets. If necessary, direct the airflow away to a different area of the vehicle interior.
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 bonnet and in the engine compartment on the front- passenger side free of blockages, such as ice, snow or leaves.
Rnever cover the vents or ventilation grilles
in the vehicle interior.
i You can move the adjusters for the air vents vertically or horizontally, to set the direction of the airflow.
i Optimal climate control function is ach- ieved by opening the air vents fully and set- ting the adjusters to the middle position.
Setting the centre air vents
148 Adjusting the air vents
Activating/deactivating the residual heat function
It is possible to make use of the residual heat of the engine to continue heating the station- ary vehicle for up to 30 minutes after the engine has been switched off. The heating time depends on the temperature that has been set for the vehicle interior. X Turn the key to position 0 in the ignition
lock or remove it.
X To activate: press the Ì button.
The indicator lamp in the Ì button lights up.
i The blower will run at a low speed regard-
less of the airflow setting.
i If you activate the residual heat function at high temperatures, only the ventilation will be activated. The blower runs at medium speed.
X To deactivate: press the Ì button.
The indicator lamp in the Ì button goes out.
Residual heat is deactivated automatically: Rafter approximately 30 minutes Rwhen the ignition is switched on Rif the battery voltage drops Rwhen the auxiliary heating is switched on
X To open the centre air vent: turn the
adjuster in one of centre air vents : anti- clockwise.
X To close the centre air vent: turn the
adjuster in one of centre air vents : clock- wise until it engages.
Setting the side air vents
: Side window demister vent ; Side air vent X To open a side air vent: turn the adjuster
in side air vent ; anti-clockwise.
X To close a side air vent: turn the adjuster
in side air vent ; clockwise until it engages.
Setting the glove compartment air vent ! Close the air vent when heating the vehi-
cle. At high outside temperatures, open the air vent and activate the "cooling with air dehu- midification" function. Otherwise, temper- ature-sensitive items stored in the glove compartment could be damaged.
Adjusting the air vents
149
: Air vent thumbwheel ; Air vent When automatic climate control is activated, the glove compartment can be ventilated, for instance to cool its contents. The level of air- flow depends on the airflow and air distribu- tion settings. X To open/close: turn thumbwheel :
clockwise or anti-clockwise.
Setting the AIRSCARF vents G WARNING Very hot air can flow out of the AIRSCARF vents in the head restraints when AIRSCARF is in operation. This can cause burns on unpro- tected skin near the AIRSCARF vents. Lower the heating output in good time, when neces- sary.
You can adjust the blower output of AIR- SCARF vents : using the AIRSCARF button (Y page 117).
150
Useful information ............................ 152
Running-in notes ............................... 152
Driving ............................................... 152
Automatic transmission ................... 161
Refuelling ........................................... 170
Parking ............................................... 172
Driving tips ........................................ 175
Driving systems ................................ 178151
152 Driving
Useful information
i This Owner's Manual describes all mod- els, series and optional equipment for your vehicle that were available at the time of going to press. National variations are pos- sible. Note that your vehicle may not be equipped with all of the functions descri- bed. This is also the case for systems and functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page 38).
Running-in notes Important safety notes New or replaced brake pads/linings and discs only reach their optimum braking effect after several hundred kilometres of driving. Compensate for the reduced braking effect by applying greater force to the brake pedal.
The first 1,500 km If you treat the engine with sufficient care from the very start, you will be rewarded with excellent performance for the remainder of the engine's life. RDrive at varying vehicle speeds and engine
speeds for the first 1,500 km.
RAvoid overstraining the vehicle during this
period, e.g. driving at full throttle.
RChange gear in good time, before the rev counter needle is Ô of the way to the red area of the rev counter.
RDo not shift down a gear manually in order
to brake.
RTry to avoid depressing the accelerator
pedal beyond the point of resistance (kick- down).
RThe shift ranges 3, 2 or 1 should only be engaged when driving slowly, e.g. when driving in mountainous terrain.
After 1,500 km, you may gradually bring the vehicle up to full road and engine speeds. Additional running-in notes for AMG vehicles: RDo not drive at speeds above 140 km/h for
the first 1,500 km.
ROnly allow the engine to reach a maximum
engine speed of 4,500 rpm briefly.
RIt is advisable to select drive program C for
Controlled Efficiency.
i You should also observe these notes on running in if the engine or parts of the drive train on your vehicle have been replaced.
AMG vehicles with self-locking rear axle differential Your vehicle is equipped with a self-locking differential on the rear axle. Change the oil after a running-in period of 3,000 km to improve protection of the rear axle differen- tial. This oil change prolongs the service life of the differential. Have the oil change carried out at a qualified specialist workshop.
Driving Important safety notes G WARNING Objects in the driver's footwell can restrict the pedal travel or obstruct a depressed pedal. The operating and road safety of the vehicle is jeopardised. There is a risk of an accident. Make sure that all objects in the vehicle are stowed correctly, and that they cannot enter the driver's footwell. Fit the floormats securely and as specified in order to ensure sufficient clearance for the pedals. Do not use loose floormats.
G WARNING Unsuitable footwear can hinder correct usage of the pedals, e.g.: Rshoes with thick soles Rshoes with high heels Rslippers There is a risk of an accident. Wear suitable footwear to ensure correct usage of the pedals. G WARNING If you switch off the ignition while driving, safety-relevant functions are only available with limitations, or not at all. This could affect, for example, the power steering and the brake boosting effect. You will require considerably more effort to steer and brake. There is a risk of an accident. Do not switch off the ignition while driving. G WARNING If the parking brake has not been fully released when driving, the parking brake can: Roverheat and cause a fire Rlose its hold function. There is a risk of fire and an accident. Release the parking brake fully before driving off.
Driving 153
driving at full throttle when the engine is cold.
Key positions Key
g To remove the key 1 Power supply for some consumers, such
as the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position 3 To start the engine i If the key does not belong to the vehicle,
it can still be turned in the ignition lock. However, the ignition will not be switched on. The engine cannot be started.
! Warm up the engine quickly. Do not use the engine's full performance until it has reached operating temperature. Only set the automatic transmission to the respective drive positions when the vehicle is stationary. Where possible, avoid spinning the drive wheels when pulling away on slippery roads. Otherwise, you could damage the drive train.
! AMG vehicles: at low engine oil temper-
atures (below +20 †), the maximum engine speed is restricted in order to pro- tect the engine. To protect the engine and maintain smooth engine operation, avoid
KEYLESS-GO General notes Vehicles with KEYLESS-GO are equipped with a key featuring an integrated KEYLESS-GO start function and a detachable Start/Stop button. You can switch the engine on and off with the Start/Stop button. The Start/Stop button must be inserted in the ignition lock and the key 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.
154 Driving
If you depress the brake pedal and press the Start/Stop button, the engine starts immedi- ately. The Start/Stop button can be removed from the ignition lock. The key can then be inserted into the ignition lock. i You do not have to remove the Start/Stop
button from the ignition lock when you leave the vehicle. You should, however, always take the key with you when leaving the vehicle. As long as the key is in the vehicle: Rthe vehicle can be started using the
Start/Stop button and
Relectrically powered equipment can be
operated
i The engine can be switched off while the vehicle is in motion by pressing and holding the Start/Stop button for three seconds. This function operates independently of the ECO start/stop automatic engine switch- off function.
Key positions with KEYLESS-GO
X Insert Start/Stop button : into ignition
lock ;.
i When you insert Start/Stop button : into ignition lock ;, the system needs approximately two seconds recognition time. You can then use Start/Stop but- ton :.
Switching on the power supply X If Start/Stop button : has not yet been pressed, this corresponds to the key being removed from the ignition.
X Press Start/Stop button : once.
The power supply is switched on. You can now activate the windscreen wipers, for example.
i The power supply is switched off if you
press Start/Stop button : twice when in this position and the driver's door is open.
Switching on the ignition X Press Start/Stop button : twice.
The ignition is switched on.
i The power supply is switched off if you
press Start/Stop button : twice when in this position and the driver's door is open.
When you switch on the ignition, all of the indicator lamps in the instrument cluster light up. If an indicator lamp does not go out after starting the engine or lights up while driving, there may be a technical problem (Y page 271).
Removing the Start/Stop button
You can remove the Start/Stop button from the ignition lock and start the vehicle as nor- mal using the key. X Remove Start/Stop button : from ignition
lock ;.
i You do not have to remove the Start/Stop
button from the ignition lock when you leave the vehicle.
Starting the engine Important safety notes G WARNING If children are left unsupervised in the vehicle, they could: Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic. Roperate the vehicle's equipment. Additionally, children could set the vehicle in motion if, for example, they: Rrelease the parking brake. Rshift the automatic transmission out of
parking position P.
Rstart the engine. There is a risk of an accident and injury. When leaving the vehicle, always take the key with you and lock the vehicle. Never leave children or animals unattended in the vehicle. Always keep the key out of reach of children.
Driving 155
G WARNING Combustion engines emit poisonous exhaust gases such as carbon monoxide. Inhaling these exhaust gases leads to poisoning. There is a risk of fatal injury. Therefore never leave the engine running in enclosed spaces with- out sufficient ventilation.
! Do not depress the accelerator pedal
when starting the engine.
i Vehicles with a petrol engine: the cat-
alytic converter is preheated for up to 30 seconds after a cold start. The sound of the engine may change during this time.
Starting procedure with the key X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position P.
The transmission position display in the multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
X Turn the key to position 3 in the ignition
lock (Y page 153) and release it as soon as the engine is running.
Using KEYLESS-GO to start the engine The Start/Stop button can be used to start the vehicle without inserting the key into the ignition lock. The key must be in the vehicle and the Start/Stop button must be inserted in the ignition lock. X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position P.
The transmission position display in the multifunction display shows P.
156 Driving
i You can also start the engine when the
transmission is in position N.
X Press the Start/Stop button once
(Y page 153). Press the Start/Stop button once. The engine starts.
Pulling away Automatic transmission G WARNING If the engine speed is above the idling speed and you engage transmission position D or R, the vehicle could pull away suddenly. There is a risk of an accident. When engaging transmission position D or R, always firmly depress the brake pedal and do not simultaneously accelerate.
i It is only possible to shift the transmission
from position P to the desired position if you depress the brake pedal. Only then is the shift lock released.
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position D or R. X Release the electric parking brake
(Y page 173).
X Release the brake pedal. X Carefully depress the accelerator pedal. i The vehicle locks centrally once you have pulled away.The locking knobs in the doors drop down. You can open the doors from the inside at any time. You can also deactivate the automatic lock- ing feature (Y page 236).
i Upshifts take place at higher engine
speeds after a cold start. This helps the catalytic converter to reach its operating temperature more quickly.
Hill start assist G WARNING After a short time, hill start assist will no lon- ger brake your vehicle and it could roll away. There is a risk of an accident and injury. Therefore, quickly move your foot from the brake pedal to the accelerator pedal. Never leave the vehicle when it is held by hill start assist.
Hill start assist helps you when pulling away forwards or in reverse on an uphill gradient. It holds the vehicle for a short time after you have removed your foot from the brake pedal. This gives you enough time to move your foot from the brake pedal to the accelerator pedal and depress it before the vehicle begins to roll. X Remove your foot from the brake pedal.
The vehicle is then held for about a second.
X Pull away. Hill start assist will not function if: Ryou are pulling away on a level road or a
downhill gradient.
Rthe transmission is in position N. Rthe parking brake is applied. RESP® is malfunctioning.
ECO start/stop function Important safety notes G WARNING If the engine is switched off automatically and you exit the vehicle, the engine is restarted automatically. The vehicle may begin moving. There is a risk of accident and injury. If you wish to exit the vehicle, always turn off the ignition and secure the vehicle against rolling away.
Driving 157
General notes
: ECO start/stop display If the ¤ symbol is shown in green in the multifunction display, the ECO start/stop function switches the engine off automati- cally if the vehicle stops moving. When pulling away again, the engine starts automatically. The ECO start/stop function thereby helps you to reduce the fuel con- sumption and emissions of your vehicle. Every time you switch on the engine using the key or the Start/Stop button, the ECO start/ stop function is activated. If the ECO start/stop function has been man- ually deactivated (Y page 158) or a malfunc- tion has caused the system to be deactivated, the ¤ symbol is not displayed. AMG vehicles: the Stop/Start active or Stop/Start inactive message in the AMG menu in the multifunction display goes out. AMG vehicles: the ECO start/stop function is only available in drive program C. i AMG vehicles: if automatic cylinder shut- off is active in drive program C, the number of active cylinders 4 is also shown in the ¤ symbol. This means that the engine is operating with four cylinders. If cylinder shut-off is not active, the engine is operating with all eight cylinders. In this case, the number of active cylinders 8 is shown in the ¤ symbol.
For further information on automatic engine switch-off (Y page 157) and automatic engine start (Y page 158).
Automatic engine switch-off If the vehicle is braked to a standstill in D or N, the ECO start/stop function switches off the engine automatically. The ECO start/stop function is operational and the ¤ symbol is displayed in green in the multifunction display, if: Rthe indicator lamp in the ECO button is lit
green
Rthe outside temperature is within the com-
fort range
Rthe engine is at normal operating temper-
ature
Rthe set temperature for the vehicle interior
has been reached
Rthe battery is sufficiently charged Rthe system detects that the windscreen is
not misted up when the air-conditioning system is switched on
Rthe bonnet is closed Rthe driver's door is closed and the driver's
seat belt is fastened
If not all conditions for automatic engine switch-off are fulfilled, the ¤ symbol is shown in yellow. AMG vehicles: the AMG menu in the multi- function display additionally shows the Stop/ Start inactive message. i All of the vehicle's systems remain active when the engine is switched off automati- cally.
i All vehicles (except AMG vehicles):
automatic engine switch-off can take place a maximum of four times consecutively (ini- tial stop, then three subsequent stops). The ¤ symbol is shown in yellow in the mul- tifunction display after the engine has been started automatically for the fourth time. When the ¤ symbol is shown in green in the multifunction display, automatic engine switch-off is again possible.
158 Driving
Deactivating/activating the ECO start/ stop function
i AMG vehicles: the number of times which the engine can be automatically switched off is unlimited.
i The HOLD function can be activated if the
engine has been switched off automati- cally. It is then not necessary to continue applying the brakes during the automatic stop phase. When you depress the accel- erator pedal, the engine starts automati- cally and the braking effect of the HOLD function is deactivated.
Automatic engine start The engine is started automatically if: Ryou switch off the ECO start/stop function
by pressing the ECO button
Rin transmission position D or N, the brake pedal is released and the HOLD function is not active
Ryou depress the accelerator pedal Ryou engage reverse gear R Ryou move the transmission out of position
