Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop immediatel y. Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp lights up af terst arting the engine.
In addition, an acoustic warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt .
If yo u ha veplaced objects on the front passenger seat, thewa rning lamp may remain lit. Display messa
ges and warning/indicator lamps 509
Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; Engine diagnosis warning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emission limit values may be exceeded and the engine may be running in emergency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
Ve hicles with a diesel engine: the fuel tank has been run dr y. #
Start the engine thre eto four times af terre fuelling.
If th eye llow engine diagnosis warning lamp goes out, emer gency operation mode is cancelled. The vehicle need not
be checked.
# Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages in the multifunction displa y.
8
Fu elreser vewarning lamp The
yellow fuel reser ve wa rning lamp is lit while the engine is running.
The fuel le vel has dropped into there ser verange. #
Refuel. Displ
aymessa ges and warning/indicator lamps 513
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Otherwise: #
Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down. #
Check the coolant le vel . #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 515
ØCheck
AdBlue See Owne r’s
Manual .................................................4 78
J Check brake fluid le vel................ 455
4Check eng. oil le v.when next
re fuelling ............................................. 475
j Check trailer hit chlock .............. .489
hChe cktyre(s) ............................... 482
!Clean the fuel filter .................... .480
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... 492
ÉCompressor is cooling ................ 465
?Coolant Stop vehicle Switch
engine off ............................................ 473
Cruise cont rol and Limiter inope ra‐
tive ...................................................... 470
Cruise cont rol inope rative .................... 471
Cruise cont rol off ................................ 470
! currently una vailable See Own‐
er's Manual ........................................ .446 ÷cur
rently una vailable See Own‐
er's Manual ........................................ .448
Depress clutch ful lyto start engine .....4 92
Dis tance Pilot available again .............. 468
Dis tance Pilot cur rently una vailable
See Owner's Manual ...........................469
Dis tance Pilot inope rative .................... 469
È .................................................... 470
Ø Eng.start not possible in XXX
mi ........................................................ 479
Ø Eng.start not possible ................479
5 Engine oil le vel cannot be
measured ............................................ 478
4 Engine oil le velRe duce oil le vel...4 76
4 Engine oil le velSt op vehicle
Switch engine off ................................. 476
4 Engine oil pressure Stop Switch
off engine ............................................ 477
6 Example: Front left malfunction
Consult workshop .............................. 459 bExample: Left dipped beam
........ 499
6Example: Left windowbag mal‐
function Consult workshop ................. 459
Example: Parking Pilot Parking can‐
celled ................................................ .468
_Example: Rear left seat back‐
re st not lo cked ................................... 498
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 60
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 461
!inoperative See Owner's Man‐
ual .......................................................4 47
÷ inope rative See Owner's Man‐
ual ....................................................... 449
T inope rative See Owner's Man‐
ual ....................................................... 450
GInope rative ................................. .460
bIntelligent Light Sy stem inoper‐
ative ....................................................4 99 Index
527
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
Emer
gency key element
Inserting/removing ............................... 66
Un locking theta ilgate ............................ 78
Emer gency operation mode
St arting vehicle ................................... 16 3
Emer gency spare wheel
No tes ................................................... 427
Re moving ............................................ 428
Emer gency spare wheel
see Spare wheel
see Wheel change
Energy consu mption
Ke y ........................................................ 65
Engine ECO start/ stop function ......................1 66
Engine number ................................... .431
St arting (eme rgency operation
mode) .................................................. 16 3
St arting (mobile phone) ...................... .162
St arting (s tart/s top button) .................1 62
St arting assis tance .............................. 398
Switching off (s tart/s top button) ........ 180
Engine bonnet Function (active bonnet) ...................... 373Opening/closing ..................................3
74
Re setting (active bonnet) ..................... 373
Engine data Displaying ............................................ 16 9
Engine electronics Notes .................................................. 429
Engine number ........................................4 31
Engine oil ................................................ .377
Ad ditives .............................................4 38
Che cking the oil le vel using the oil
dipstick ................................................ 376
Checking the oil le vel using the on-
board computer ................................... 376
Filling capacity .................................... 439
MB-F reigabe or MB-Appr oval .............. .439
To pping up ...........................................3 77
Entering characters
Fu nction/no tes ................................... 284
On theto uchpad ................................ .285
Using the controller ............................. 285
ERA-GLONASS test mode
St arting/ending .................................. 332 ESC (Elect
ronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
(Electronic Stability Prog ram) ...... 189
Crosswind Assist ................................ .193
Fu nction/no tes ................................... 189
Switching on/off ................................. 19 3
Tr ailer stabilisation .............................. 19 3
EU type appr oval number ....................... 431
Exterior lighting Care .................................................... 383
Ex terior lighting
see Lights F
Fa tigue warning
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 82
Calling up ............................................ 282
Deleting ............................................... 283
Moving ................................................ 283 532
Index