Page 456 of 521

Display messages
Possible causes/consequences and M
MSolutions
j Operation only possible in
transmission position P *
Yo u ha veattem ptedto displace the ball neck and the transmission is in position k,iorh. #
Depress the brake pedal. #
Switch the transmission toposition j.
Let fresh air into the vehi-
cle interior! Air condition-
ing malf. Visit workshop *T
he climate contro l system is malfunctioning. &
WARNING Risk of inju ryand accident due toan insuf ficient supply of fresh air
If th e climate control sy stem is malfunctioning, carbon dioxide le vels may inc rease in the passenger compart‐
ment. Breathing in carbon dioxide may cause dizziness. #
Open the window toensure that there is a suf ficient supply of fresh ai r. #
Open the window toensure that there is a suf ficient supply of fresh ai r. #
Consult a qualified specialist workshop immediatel y.
Ð
Steering malfunction Drive
carefully Visit workshop *T
he po wer assi stance of thesteering is malfunctioning. You may need touse more forc eto steer. #
Drive on carefull y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 453
Page 457 of 521

Display messages
Possible causes/consequences and M
MSolutions
Ð Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is considerably impaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
Ð Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer assi stance of thesteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.454
Display messages and warning/indicator lamps
Page 468 of 521

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Thereis a risk of an accident if brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, the wheels may lock when braking. Braking characteristics may be
impaired. The braking dis tance may increase in an eme rgency braking situation. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. Display messages and
warning/indicator lamps 465
Page 469 of 521

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop.
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional acoustic warning signal, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be faulty. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance may increase in
an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop. 466
Display messages and warning/indicator lamps
Page 476 of 521
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ð Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po werst eering assis tance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Obser vethe messages in the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 473
Page 478 of 521

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R Coolant le velto o low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 475
Page 480 of 521

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 477
Page 483 of 521

Ad
justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 343
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 344
Ad versewe ather light ............................ .118
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .191
Setting ................................................. 19 3
Suspension .......................................... 191
Air conditioning sy stem
see Climate control
Air distribution ........................................ 12 9
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL
Air vents ................................................... 13 8
Ad justing (front) .................................. 13 8
Ad justing (rear) .................................... 13 9
Ad justing the AIRSCARF vents ............. 14 0
Glo vebox .............................................1 39Air
vents
see Air vents
Ai r-re circulation mode ............................ 13 2
Airbag ........................................................ .32
Ac tivation .............................................. 26
Fr ont airbag ...........................................32
Head airbag ........................................... 32
Ins tallation locations ............................ .32
Knee airbag ........................................... 32
Overview ............................................... 32
Pr otection ..............................................33
Re duced pr otection ...............................34
Side impact airbag ................................ 32
AI RC AP
Ac tivating .............................................. 80
Deactivating .......................................... 80
Ai rflow ...................................................... 12 9
AIRS CARF
Switching on/off ................................... 97
AIRS CARF vents
Ad justing ............................................. 14 0
Alarm see Panic alarm Alarm sy
stem
see ATA (anti-theft alarm sy stem)
Alternative route
see Route
Ambient lighting ...................................... 121
Android Auto ............................................ 304
Connecting a mobile phone ................. 304
Ending ................................................. 305
Overview ............................................. 304
To ne settings ....................................... 305
Tr ans ferred vehicle data ......................3 05
Animals Pets in theve hicle ................................. 58
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-theft alarm sy stem
see ATA (anti-theft alarm sy stem)
Anti-theft pr otection
Ad ditional door lock .............................. 63
Immobiliser ...........................................84
Anti-theft pr otection
see ATA (anti-theft alarm sy stem) 480
Index