Page 23 of 255

Keys, doors and windows21Keys, doors and
windowsKeys, locks ................................... 21
Keys .......................................... 21
Radio remote control .................22
Electronic key system ................23
Central locking system ..............24
Automatic locking ......................28
Child locks ................................. 29
Doors ........................................... 30
Load compartment ....................30
Vehicle security ............................ 31
Anti-theft locking system ...........31
Anti-theft alarm system ..............32
Immobiliser ................................ 34
Exterior mirrors ............................ 34
Convex shape ........................... 34
Electric adjustment ....................34
Folding mirrors .......................... 35
Heated mirrors ........................... 35
Interior mirrors ............................. 36
Manual anti-dazzle ....................36
Automatic anti-dazzle ................36
Windows ...................................... 36
Windscreen ............................... 36Power windows......................... 37
Heated rear window ..................38
Heated windscreen ....................39
Sun visors .................................. 40
Roof ............................................. 40
Glass panel ............................... 40Keys, locks
KeysCaution
Do not attach heavy or bulky itemsto the ignition key.
Replacement keys
The key number is specified on a
detachable tag.
The key number must be quoted
when ordering replacement keys as it
is a component of the immobiliser
system.
Locks 3 219.
Central locking 3 24.
Starting the engine 3 135.
Radio remote control 3 22.
Electronic key 3 23.
The code number of the adapter for
the locking wheel nuts is specified on
a card. It must be quoted when
ordering a replacement adapter.
Wheel changing 3 212.
Page 32 of 255
30Keys, doors and windowsElectric child locks
Remotely operated system to prevent
opening of the rear doors using their
interior controls and use of the rear
electric windows.
Switching on
Press Ô. The indicator lamp in the
button comes on, accompanied by a
confirmation message. This indicator
lamp remains on until the child lock is
switched off.
Switching off
Press Ô again. The indicator lamp on
button goes off, accompanied by a
confirmation message. This indicator
lamp remains on while child lock is
switched on.Doors
Load compartment TailgateOpening
After unlocking, press the touchpad
switch above the licence plate and
open the tailgate.
Page 119 of 255

Lighting117
Illustration shows rear courtesy lights.
Sunvisor lights Illuminates when the cover is opened.
Lighting features
Centre console lighting A spotlight integrated in the overheadconsole illuminates the centre
console when headlights are
switched off.
Entry lighting
Welcome lighting Some or all of the following lights are
switched on for a short time by
unlocking the vehicle with the radio
remote control:
● headlights
● tail lights
● number plate lights
● instrument panel light
● interior lights
The number of activated lights
depends on the surrounding light
conditions.
The lighting switches off immediately
when the ignition is switched on.
Starting off 3 17.This function can be activated or
deactivated in the vehicle
personalisation.
Vehicle personalisation 3 102.
The following lights will additionally
switch on when the driver's door is
opened:
● illumination of some switches
● Driver Information Centre
● door pocket lights
Exit lighting The following lights are switched on if
the key is removed from the ignition
switch:
● interior lights
● instrument panel light
They will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Page 145 of 255

Driving and operating143Notice
When unscrewing the protective cap
from the filler neck, ammonia fumes may emerge. Do not inhale as the
fumes have a pungent smell. The
fumes are not harmful by inhalation.
It is recommended to fill the AdBlue
tank completely.
The vehicle must be parked on a level surface.
The filler neck for AdBlue is located
behind the fuel filler flap, which is located at left rear side of the vehicle.
The fuel filler flap can only be opened
if the vehicle is unlocked.
1. Remove key from ignition switch.
2. Close all doors to avoid ammonia fumes entering the interior of the
vehicle.
3. Release the fuel filler flap by pushing the flap 3 178.
4. Unscrew protective cap from the
filler neck.
5. Open AdBlue canister.
6. Mount one end of the hose on the
canister and screw the other end
on the filler neck.
7. Lift the canister until it is empty, or
until the flow from the canister has
stopped. This can take up to five
minutes.
8. Place the canister on the ground to empty the hose, wait 15
seconds.
9. Unscrew the hose from the filler neck.
10. Mount the protective cap and turn
clockwise until it engages.
Notice
Dispose of AdBlue canister
according to environmental
requirements. Hose can be reused
after flushing with clear water before AdBlue dries out.
Page 204 of 255
202Vehicle careNo.Circuit1Interior mirror / Exhaust
system / Electric power
steering / Clutch sensor / LPG /
Exterior mirror adjustment /
Inductive charging2–3Trailer Hitch4Horn5Windscreen washer pump front/
rearNo.Circuit6Windscreen washer pump front/
rear7Heated steering wheel8Rear wiper9–10Central locking system11Central locking system12Instrument cluster13Climate control system / USB14OnStar15Instrument cluster / Climate
control system16Brake / Starter / Retained power off17Instrument cluster18Advanced parking assist19Top column module / Trailer
control module20–No.Circuit21Anti-theft alarm system / Start
button22Rain sensor / Camera23Door module24Advanced parking assist /
Camera / Infotainment25Airbag26Top column module27Anti-theft alarm system28–29Infotainment30–31Infotainment32Power outlet front33–34Heated exterior mirrors / Door
module