Display messages
Possible causes/consequences and M
MSolutions
Ù 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. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. 602
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
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 on the multifunction displa y. #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
*A t least one wheel and tyre assembly has reached its traction limit (/ page211). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
* ESP ®
is malfunctioning
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. Display messages and
warning/indicator lamps 611
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
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. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
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 on the multifunction displa y. #
Consult a qualified specialist workshop. 61 4
Displaymessa ges and warning/indicator lamps
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.
*Possible causes: R The temp erature sensor is malfunctioning
R The coolant le vel is too 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
continue driving under any circums tances. #
Obser vethe messages on 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 619
Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
*The trailer tow hit chis not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball coupling has reached the operational position.
Ù
Wa rning lamp for electric
po we rst eering The
redwa rning lamp for electric po werst eering is lit while the engine is running.
*The po wer-assis tedsteering 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. 622
Display messages and warning/indicator lamps
Ad
justing treble, mid- range and bass
settings
Adva nced sound sy stem ......................4 73
Burmes ter®
sur round sound sy stem ....4 71
ADS PLUS da mping sy stem
see AIR BODY CONTROL
Ad vanced sound sy stem
Ac tivating/deactivating au tomatic
vo lume adjustment .............................. 473
Ad justing the balance/fader ................4 73
Ad justing treble, mid-range and bass
settings ................................................ 473
Calling up the sound menu .................. 472
Information .......................................... 472
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ 24 2
Setting ................................................. 24 4
Suspension .......................................... 24 2
Air conditioning menu Calling up ............................................ .161
Air conditioning sy stem
see Climate control Air distribution
Setting ................................................ .159
Setting (multimedia sy stem) ................1 62
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 16 9
Ad justing (front) .................................. 16 9
Ad justing (rear) .................................... 17 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 3
Air-water duct .......................................... 482
Ke eping free ........................................4 82
Airbag ........................................................ .40
Ac tivation .............................................. 34
Fr ont airbag (driver, front passenger) ....40
Ins tallation locations ............................ .40Knee airbag ........................................... 40
Overview ............................................... 40
PA SSENGER AIR BAG indicator lamp .... .45
Pr otection ..............................................41
Re duced pr otection ...............................42
Side impact airbag ................................ 40
Wi ndow airbag ....................................... 40
Ai rflow
Setting ................................................ .159
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambiance light Setting (multimedia sy stem) ................1 50
Android Auto ............................................ 431
Connecting a mobile phone ................. 432
Control using the application buttons
.............................................................4 33
Ending ................................................. 433
Information .......................................... 432
Overview .............................................. 431 626
Index
Chock
...................................................... .529
St orage location ..................................5 29
Cho ck
see Chock
CI+ module ............................................... 470
Calling up a menu ................................ 470
CI+ module (TV) Inserting a Smart Card ........................ 469
Cigar ette lighter
Fr ont centre console ........................... 13 5
Re ar .................................................... .135
Cleaning see Care
Climate control ........................................ 15 9
Ac tivating/deactivating the A/C
function (cont rol panel) ........................ 161
Ac tivating/deactivating the A/C
function (multimedia sy stem) ............... 161
Ac tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 16 2
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 16 2
Air di stribution settings .......................1 62Air-recirculation mode .........................
16 3
Au tomatic control ................................ 161
Calling up the air conditioning menu ....1 61
Climate style function .......................... 161
Defrosting the windscreen ...................1 59
Demisting wind ows............................. 16 2
Fr ont air vents ..................................... 16 9
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 16 3
Ionisation ............................................. 16 3
No te .................................................... 15 9
Re ar air vents ...................................... 17 0
Re ar operating unit .............................. 15 9
Re sidual heat ....................................... 16 3
Sets the air flow ................................... 15 9
Setting (multimedia sy stem) ................1 61
Setting the air distribution ...................1 59
Setting the climate style ......................1 61
Setting the fragrance sy stem ............... 16 3
Setting thete mp erature ......................1 59
St ationary heater/ ventilation .............. 16 4
Switching on/off ................................. 16 0
Switching there ar wind owheater
on/off .................................................1 59
THERMATIC control panel .................... 15 9
THERMOTRONIC contro l panel ............15 9Ve
ntilating theve hicle (con venience
opening) ................................................ 90
Climate style
Fu nction ............................................... 161
Setting ................................................. 161
Coat hook on the tailgate ...................... .127
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Combination switch ................................14 3
Compass .................................................. 405
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 445
Overview ............................................. 445
Connectivity Swit ching transmission of theve hicle
position on/off .................................... 355
Contacts ................................................... 41 8
Calling up ............................................ .418 Index
631