
Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary .
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Switch on headlamps *Y
ou are driving without dipped-beam headlamps. #
Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. #
Consult a qualified specialist workshop. 500
Display messages 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.
Po ssible 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 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. 514
Displaymessa ges and warning/indicator lamps

ÂKe
y not de tected (red displ ay
messa ge).............................................4 87
 Key not de tected (white displ ay
messa ge).............................................4 86
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 494
Limiter inoperative .............................. 470
Limiter passive .................................... 469
bMalfunction See Owner's Man‐
ual ....................................................... 500
ÉMalfunction See Owner's Man‐
ual ....................................................... 463
max. speed 22 mph............................. 465
ðMaximum speed exceeded ..........4 70
N permanently active Risk of vehicle
ro lling .................................................. 490
ëOff .............................................. .468
Only select Park (P) when vehicle is
st ationary ............................................ 490 !Pa
rking brake See Owner's
Manual ................................................ 452
Pa rking Pilot and PARKTRONIC inop‐
erative See Owner's Manual ................471
Pa rking Pilot Manoeuvring assis‐
ta nce limited See Owner's Manual ......471
 Place theke y in the mar ked
space See Owner's Manual ................. 487
Please reduce speed ...........................4 65
ÉPlease reduce speed ...................4 64
PRE-SAFE impulse side inoperative
See Owner's Manual ........................... 457
PRE-SAFE inoperative See Owner's
Manual ................................................ 456
Ra dar sensors dirty See Owner's
Manual ................................................ 457
hRe ctify tyre pressure ................... 482
ØRe fill Ad Blue Eng. start not pos‐
sible .................................................... .478 Ø
Refill Ad Blue No start in XXX mi
............................................................ .480
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................4 78
! Release parking brake .................451
¸ Replace air cleaner ......................479
, Replace key See Owner's Man‐
ual ...................................................... .486
ÂRe placekey ................................ .485
8Re servefuel le vel........................ 479
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 458
Re versing not poss. Consult work‐
shop ....................................................4 91
Risk of vehicle rolling Driver door
open and transmission not in P ...........490
#See Owner's Manual ....................474
Speed limit (winter tyres) XXX mph..... 470
# Start engine See Owner's Man‐
ual ...................................................... .480 528
Index

ÐSt
eering malfunction Drive
carefully Visit workshop ......................4 94
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 495
ÐSt eering malfunction See Own‐
er's Manual ......................................... 493
ÐSt eering malfunction Stop
immediately See Owner's Manual .......495
St eering Pilot cur rently una vailable
See Owner's Manual ...........................469
St eering Pilot inoperative .................... 469
St op vehicle Lea veengine running
Wa itTransmission cooling ...................491
# Stop vehicle Lea veengine run‐
ning ..................................................... 475
# Stop vehicle See Owner's Man‐
ual ........................................................ 474
É Stop vehicle Vehicle too low ........ 464
bSwitch off lights .......................... 500
bSwitch on headlamps .................. 500To
shift out of P or N,depress brake
and start engine .................................. 490
To p up coolant See Owner ’sManual ....472
¥ Top up washer fluid .................... .498
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 466
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................470
Tr af fic Sign Assi stinope rative .............. 471
j Trailer coupling extending… ......... 488
Tr ansmission Malfunction Stop ............ 491
!Tu rnon the ignition torelease
th e parking brake ................................ 450
Ty re press. monitor cur rently una vail‐
able .................................................... .483
Ty re press. monitor inoperative ...........484
Ty re press. monitor inoperative No
wheel sensors .................................... .484
Ty re pressure Check tyres ...................481
Ty re(s) ove rheated ...............................4 84Ty
re(s) ove rheated Reduce speed ........ 485
dVe hicle is operational Switch
off the ignition before exiting .............. .491
É Vehicle rising Please wait............ 462
ÉVe hiclerising ...............................4 62
hWa rning tyre defect .....................483
hWheel sensor(s) missing ............. 484
Wi thout changing gear, consult work‐
shop ....................................................4 90
Dist ance control
see Dis tance Pilot DISTRONIC
Di stance Pil otDISTRONIC ...................... 202
Ac tivating ............................................ 205
Ac tivation conditions ........................... 205
Calling up a speed ............................... 205
Deactivating ........................................ 205
Fu nction .............................................. 202
Le ver ................................................... 205
Selecting ............................................. 205
Setting a speed ................................... 205
St oring a speed ................................... 205
Sy stem limits ....................................... 202 Index
529

Distance
recorder .................................. .259
DISTRO NIC
see Dis tance Pilot DISTRONIC
Door Additional door lock .............................. 68
Locking (emer gency key) ...................... .72
Opening (from inside) ............................68
Un locking (emer gency key) .................... 72
Un locking (from inside) ........................ .68
Door see Locking/unlocking
Door cont rol panel .................................... .16
Drive Away Assist .................................... 236
DRIVE PIL OT............................................. 209
Fu nction .............................................. 209
Drive position Selecting .............................................. 173
Drive prog ram display ............................. 16 9
Drive prog rams ........................................ 16 8
Driver's seat see Seat Driving abroad
Symmetrical dipped beam .................. .131
Driving light see Automatic driving lights
Driving saf ety sy stem ............................ .188
ABS (Anti-lock Braking Sy stem) ........... 189
Ac tive Brake Assi st.............................. 194
Ad aptive brake lights .......................... .199
BA S (Brake Assi stSystem) .................. 189
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 3
ESP ®
(Electronic Stability Prog ram)
Crosswind Assist ................................. 19 3
ESP ®
(Electronic Stability Prog ram)
trailer stabilisation .............................. .193
Overview ............................................. 188
Ra dar sensors .....................................1 88
Re sponsibility ...................................... 188
Driving saf ety sy stem
see ESP ®
(Elect ronic Stability Prog ram)
Driving sy stem
DY NA MIC BODY CONTROL .................. 214
Driving sy stem
see 360° Camera see
Active Blind Spot Assi st
see Active Lane Keeping Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Dis tance Pilot DISTRONIC
see DRIVE PIL OT
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Parking Pilot
see Remo teParking Pilot
see Reversing camera
see Speed Limit Pilot
see Steering Pilot
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical dipped
beam) .................................................. 131
Gene ral driving tips ............................ .164
Ru nning-in no tes ..................................1 64
Dr ow siness de tection
see ATTENTION ASSIST 530
Index

Saf
ety sy stems
see Driving saf ety sy stem
Saf etyve st ............................................... 388
Satelli temap ............................................ 316
SD card Inserting/re moving ............................. 348
Seat ..................................................... 91,111
4-w aylumbar support .......................... .95
Ad justing (electrically) ........................... 94
Ad justing (manually and electrically) ..... 91
Ad justing (Seat Comfort) ....................... 93
Ad justing the seat backrest angle
(rear) ....................................................1 13
Backrest (rear) folding forw ards .......... .111
Backrest (rear) locking ......................... 11 3
Cor rect driver's seat position ................ 90
Dynamic multicontour seat ................... 98
Fo lding the backrest (rear) back ..........1 12
Massage programme overview .............. 98
Pa nel heating ....................................... 101
Re setting the settings .......................... 100
Selecting a massa geprogramme ........ 100
Setting options ...................................... 16
Using the memory function ................. 107Seat
see Folding bench seat
see Head restra int
Seat belt Activating/deactivating seat belt
adjustment ............................................ 36
Ad justing the height .............................. 35
Care ....................................................3 85
Fa stening ............................................... 35
Pr otection ..............................................32
Re ar seat belt status display ................ .36
Re leasing .............................................. .35
Seat belt adjustment (function) ............. 35
Seat belt see Belt
see Occupant sa fety
Seat belt adjustment Activating/deactivating ......................... 36
Fu nction ................................................ 35
Seat belt tensioners
Ac tivation .............................................. 31
Seat belt warning
see Seat belts Seat belts
.................................................. .36
Re duced pr otection ...............................33
Wa rning lamp ........................................ 36
Seat co ver (Care) .................................... .385
Seat heater Switching on/off ................................. 100
Seat settings Configuring ............................................ 97
Seat ventilation
Switching on/o ff................................. 101
Selecting a gear
see Shifting gears
Selecting a POI see De stination ent ry
Selecto r lever........................................... 171
Selecto r lever
see DIRECT SELECT le ver
Sensors (Care) ......................................... 383
Service Menu (on-board computer) .................. 258
Service see ASS YST PLUS 546
Index