
03 Instruments and controls
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80
Rear seats – folding backrest
The rear seat head restraints and backrests can be folded down. The center headrestraint can be raised/lowered according tothe passenger's height.
Folding down the rear seat backrests
The rear seat backrests are split and can be folded down together or separately1. Pull the release control handle(s).
2. Fold the backrest forward. Adjust the center seat head restraint if necessary.
NOTE
When the backrests are folded down, move the outboard head restraints forwardslightly so that they do not catch on theseat cushion.
CAUTION
To help avoid damage to the upholstery, there should be no objects on the rear seatand the seat belt should not be buckledwhen the backrest is folded down.
WARNING
•Keep vehicle doors and trunk locked and keep keys out of a child’s reach.Unsupervised children could lockthemselves in an open trunk and riskinjury. Children should be taught not toplay in vehicles.
• On hot days, the temperature in thetrunk or vehicle interior can rise veryquickly. Exposure of people to thesehigh temperatures for even a shortperiod of time can cause heat-relatedinjury or death. Small children are par-ticularly at risk.
WARNING
•
When one or more sections of the backrest is returned to the uprightposition, check that it is properlylocked in place by pushing and pullingit.
• Return the outboard head restraints tothe upright position.
• Long loads should always be securelyanchored to help avoid injury in theevent of a sudden stop.
• Always turn the engine off and applythe parking brake when loading/unloading the vehicle.
• Place the transmission in the Park (
P)
position to help prevent inadvertentmovement of the gear selector.
• On hot days, the temperature in thevehicle interior can rise very quickly.Exposure of people to these high tem-peratures for even a short period oftime can cause heat-related injury ordeath. Small children are particularly atrisk.
Related information
•
Front seats (p. 74)
• Front seats – power seat (p. 75)
• Rear seats – head restraints (p. 78)

03 Instruments and controls
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* Option/accessory, for more information, see Introduction.81
Steering wheel
The steering wheel can be adjusted to various positions and has controls for the horn, cruisecontrol*, menus, the infotainment system and Bluetooth
®-connected cell phone.
Adjusting
G021138
Adjusting the steering wheel
Lever for releasing/locking the steering wheel
Possible positions
To adjust the steering wheel's height and reach:
1. Pull the lever toward you to release the steering wheel.
2. Adjust the steering wheel to the position that suits you. 3. Push back the lever to lock the steering
wheel in place. If the lever is difficult to push into place, press the steering wheellightly at the same time as you push thelever.
WARNING
Never adjust the steering wheel while driv- ing.
With the optional speed-dependent power steering the level of steering force can beadjusted, see Active chassis* (Four C)(p. 162).
Keypads and steering wheel paddles*
Steering wheel keypads and paddles*
Cruise control, see Cruise control (CC) – introduction (p. 168). Adaptive cruise control*, see Adaptive Cruise Control –introduction (p. 171).
Paddles for manually shifting gears (Gear- tronic), see Transmission – Geartronic(p. 240).
Infotainment system controls, see Sensus Infotainment supplement.
Horn
Horn
–Press the steering wheel hub to sound the horn.
Related information
•
Electrically heated* steering wheel (p. 82)

03 Instruments and controls
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}}
* Option/accessory, for more information, see Introduction.89
NOTE
• This automatic flashing sequence can be interrupted by immediately movingthe lever in the opposite direction.
• If the turn signal indicator flashesfaster than normal, check for aburned-out turn signal bulb.
Related information
•
Hazard warning flashers (p. 88)
Front interior lighting
The lighting in the front part of the passenger compartment is controlled with the buttons inthe ceiling console.
G021149
Light switches, front roof lighting
Drivers side front reading light, on/off
Passenger's side front reading light, on/off
Overhead courtesy lighting.
Switch (3) has three positions for all passen- ger compartment lighting:
• Off
: right side depressed, automatic light-
ing off.
• Neutral position
: automatic lighting is
on.
• On
– left side depressed, passenger
compartment lighting on.
Overhead courtesy lightingThe passenger compartment lighting is switched on and off automatically when but-ton (3) is in the neutral position. The lighting comes on and remains on for 30 seconds if:
• the vehicle is unlocked from the outside with the key or remote control
• the engine is switched off and the ignitionis in mode
0.
The lighting switches off when:
• the engine is started
• the vehicle is locked from the outside.
The lighting comes on and remains on for two minutes if one of the doors is open. The passenger compartment lighting can be switched on and off manually within30 minutes after the vehicle has beenunlocked. If the lighting is switched on manually and the vehicle is locked, the courtesy lighting willswitch off automatically after one minute.
Courtesy lights/door step lighting*The courtesy lights/door step lighting switch on/off automatically when one of the frontdoors is opened/closed.
Glove compartment lightingThe glove compartment lighting switches on/off automatically when the lid is opened/closed.

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03 Instruments and controls
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90
Related information
•Rear interior lighting (p. 90)
Rear interior lighting
The lights are switched on or off by pressing each respective button.
G021150
Rear reading lights
Trunk lightingThe trunk lighting comes on automatically when the trunk lid is opened.
Related information
•Front interior lighting (p. 89)
Home safe lighting
When you leave your vehicle at night, you can make use of the home safe lighting functionto illuminate the area in front of the vehicle. This function illuminates the headlights, park- ing lights, lights in the door mirrors, licenseplate lights, front ceiling lighting and footwell lighting. These lights will remain on for 30 17
,
60 or 90 seconds. The time interval can be set in MY CAR under
SettingsCar
settings
Light settingsHome safe
light duration. See My Car – introduction
(p. 70) for a description of the menu system.
1. Remove the key from the ignition slot to put the ignition in mode 0 (see Ignition
modes (p. 73) for information about the ignition modes).
2. Pull the turn signal lever as far as possible towards the steering wheel and release it.
3. Exit the vehicle and lock the doors.
Related information
• Approach lighting (p. 91)
17
Factory setting

03 Instruments and controls
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* Option/accessory, for more information, see Introduction.91
Approach lighting
Approach lighting activates the parking lights, door mirror lights, license plate lighting, domelighting and door step lighting when youapproach the vehicle. This function is activated by pressing the approach light button on the remote key (see
the illustration in Remote key – functions(p. 143)). The time interval for this lighting can be set by pressing MY CAR and going to
Car
settings
Light settingsApproach light
duration. See My Car – introduction (p. 70)
for a description of the menu system.
Related information
• Home safe lighting (p. 90)
Windshield wipers
Move the lever toward the steering wheel to start the windshield and headlight washers.After the lever is released the wipers makeseveral extra sweeps.
Windshield wipers and washers
Rain sensor* on/off
Thumb wheel sensitivity/frequency
CAUTION
•Use ample washer fluid when washing the windshield. The windshield shouldbe thoroughly wet when the wipers arein operation.
• Before using the wipers, ice and snowshould be removed from the wind-shield/rear window. Be sure the wiperblades are not frozen in place.
Windshield wipers offMove the lever to position
0 to
switch off the windshield wipers.
Single sweepMove the lever upward from posi- tion 0 to sweep the windshield one
stroke at a time for as long as the
lever is held up.
Intermittent wipingWith the lever in this position, you can set the wiper interval by twistingthe thumb wheel upward to increase
wiper speed or downward to decrease thespeed.
Continuous wipingThe wipers operate at normal speed.
The wipers operate at high speed.
Windshield wiper service positionThe windshield wipers must be in the service position before the wiper blades can becleaned or replaced. See Wiper blades –service position (p. 327) for additional infor-mation.
Related information
• Engine compartment – washer fluid (p. 329)

03 Instruments and controls
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92* Option/accessory, for more information, see Introduction.
Rain sensor*
The rain sensor automatically regulates wiper speed according to the amount of water onthe windshield. The sensitivity of the rain sensor can be adjusted moving the thumb wheel up (thewipers will sweep the windshield more fre-quently) or down (the wipers will sweep thewindshield less frequently).
NOTE
The wipers will make an extra sweep each time the thumb wheel is adjusted upward.
When the rain sensor is activated, the symbol
will illuminate in the instrument panel.
Activating and setting the sensitivityWhen activating the rain sensor, the vehicle must be running or in ignition mode II and the
windshield wiper lever must be in position 0
or in the single sweep position. Activate the rain sensor by pressing the but- ton
. The windshield wipers will make
one sweep. Press the lever up for the wipers to make an extra sweep. The rain sensor returns to activemode when the stalk is released back toposition 0.
DeactivatingDeactivate the rain sensor by pressing the button
or press the lever down to
another wiper position. The rain sensor is automatically deactivated when the key is removed from the ignitionslot or five minutes after the ignition has beenswitched off.
CAUTION
The rain sensor should be deactivated when washing the car in an automatic carwash, etc. If the rain sensor function is lefton, the wipers will start inadvertently in thecar wash and could be damaged.
Windshield washer
Move the lever toward the steering wheel to start the windshield and headlight washers.After the lever is released the wipers makeseveral extra sweeps.
Washing function
Heated washer nozzles*The washer nozzles are heated automatically in cold weather to help prevent the washerfluid from freezing.
High-pressure headlight washing*High-pressure headlight washing consumes alarge quantity of washer fluid. To save fluid,the headlights are washed using two alterna-tives:
• Low/high beam headlights on.
The
headlights will be washed the first time the windshield is washed. Thereafter, theheadlights will only be washed once for

03 Instruments and controls
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94
Power windows
All power windows can be operated using the control panel in the driver's door. The controlpanels in the other doors only operate thewindow in the respective doors.
Driver's door control panel
Switch for disengaging rear door power window buttons
Rear door window controls
Front door window controls.
WARNING
•Always remove the ignition key when the vehicle is unattended to put theignition in mode
0 (see Ignition modes
(p. 73) for information about the igni-tion modes).
• Never leave children unattended in thevehicle.
• Make sure that the windows are com-pletely unobstructed before they areoperated.
Operating
Operating the power windows
Manual up/down
Auto up/down.
For the power windows to function, the igni- tion must be in at least mode I. When the vehicle has been running, the power windowscan be operated for several minutes after theremote key has been removed from the igni-tion slot, or until a door has been opened.
NOTE
•
Movement of the windows will stop if they are obstructed in any way.
• To reduce buffeting wind noise if therear windows are opened, also openthe front windows slightly.
Manual up/down–Move one of the controls up/down slightly.
> The power windows move up/down as
long as the control is held in position.
Auto up/down–Move one of the controls up/down as far as possible and release it.
> The window will open or close com-pletely.
ResettingIf the battery has been disconnected, the auto open function must be reset so that itwill work properly.
1. Gently raise the front section of the but- ton to close the window and hold it for one second.
2. Release the button briefly.

03 Instruments and controls
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96* Option/accessory, for more information, see Introduction.
Power door mirrors
The control on the driver's door is used to adjust the position of the door mirrors.
Door mirror controls
Adjusting1. Press the L button for the left door mirror
or the R button for the right door mirror.
The light in the button comes on.
2. Adjust the position with the joystick in the center.
3. Press the L or R button again. The light
should no longer be on.
WARNING
Objects seen in the mirrors may appear further away than they actually are.
Retractable power door mirrors*The mirrors can be retracted for parking/driv- ing in narrow spaces:
1. Press down the L and R buttons at the
same time.
2. Release them after approximately one second. The mirrors automatically stop in the fully retracted position.
Fold out the mirrors by pressing down the L
and R buttons at the same time. The mirrors
automatically stop in the fully extended posi-tion.
Storing the position*The mirror positions are stored in the keymemory when the vehicle has been lockedwith the remote key. When the vehicle isunlocked with the same remote control themirrors and the driver's seat adopt the storedpositions when the driver's door is opened. The function can be activated/deactivated in MY CAR under
SettingsCar settings
Car key memoryPersonal settings in
key memory. See My Car – introduction
(p. 70) for a description of the menu system.
Tilting the door mirrors when parking*The door mirrors can be tilted down to help give the driver a better view along the sides ofthe vehicle, for example when parallel park-ing. To activate this function, select reverse gearand press the
L or R mirror control button to
tilt the mirror down. The function can be activated/deactivated in MY CAR under
SettingsCar settings
Side mirror settingsTilt left mirror or Tilt
right mirror
. See My Car – introduction
(p. 70) for a description of the menu system. The door mirror will reset to its normal posi- tion: • after 10 seconds when reverse is disen- gaged and the car remains stopped.
• immediately when reverse is disengagedand the vehicle's forward speed exceedsapproximately 6 mph (10 km/h).
• immediately if you press the correspond-ing
L or R button again.
• when the engine is turned off.
• when the side mirrors are folded in.
NOTE
Only one mirror can be tilted down at a time.
Home safe and approach lightingThe light on the door mirrors comes on when approach lighting or home safe lighting isselected, see Approach lighting (p. 91) andHome safe lighting (p. 90).