
Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
ï Tr ailer tow hit chwarning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. 47 0
Displaymessa ges and warning/indicator lamps

0099
AdBlue sy stem fault Engine
st art not possible................................. .464
0099 AdBlue sy stem fault See Own‐
er's Manual .......................................... .463
00B3 Add 1 litre engine oil when
next refuelling....................................... 465
é ATTENTION ASSIST inoperative ....434
é ATTENTION ASSIS T:Take a
break!....................................................4 35
: Automatic driving lights inoper‐
ative....................................................... 414
006F Cannotfold 2nd seat rowfor‐
wa rds See Owner's Manual................... 423
Á Change key bat teries .................... 412
004D Check brake fluid le vel................. 433
ï Check trailer hitch lo ck................. 419
0077 Check tyre(s)................................4 59
003A Clean the fuel filter ...................... 426
00C4 Compressor is cooling .................449 ÿ
Coolant Stop vehicle Switch
engine off..............................................4 25
á Currently unavailable Camera
view restricted....................................... 445
¸ Currently una vailable Radar
sensors dirty.........................................4 44
0025 currently una vailable See Own‐
er's Manual .......................................... .450
00E5 currently una vailable See Own‐
er's Manual ............................................ 451
00B3 Engine oil le vel cannot be
measured .............................................. 466
00B3 Engine oil le velRe duce oil le vel.... 465
00B3 Engine oil le velSt op vehicle
Switch engine off.................................. 465
00B3 Engine oil pressure Stop
Switch off engine.................................. 466
ä Fault Drive at max. 80 km/h
...................................................... 446,447
ä Fault Stop.....................................4 470075
Front left malfunction Consult
wo rkshop (e xample).............................. 409
003B inoperative Battery low................. 417
003B inoperative Refuel vehicle .............4 17
003B inoperative See Owner's Man....... 417
0025 inoperative See Owner's Manual .. 451
00E5 inoperative See Owner's Man‐
ual......................................................... 452
007A inoperative See Owner's Man‐
ual......................................................... 453
0053 Inoperati ve................................... 454
î inoperati ve................................... 439
: Intelligent Light Sy stem inoper‐
ative....................................................... 41 5
Á Key being initialised Please wait...4 13
Á Key not de tected (red displ ay
messa ge)............................................... 413
Á Key not de tected (white display
messa ge)............................................... 412
: Left dipped beam (e xamp le)........ .414 490
Index

0075
Left windowbag malfunction
Consult workshop (e xample)................ .409
00C5 Lowe ring...................................... 448
: Malfunction See Owner's Man‐
ual..........................................................4 14
î Max. speed 40 km/h...................4 39
ð Maximum speed exceeded ........... 438
î Notpossible in cur rent drive
program ................................................ 439
00C8 ..................................................... 462
ç Off................................................ 437
00D9 Off................................................ 434
ï Operation only possible in
transmission position P ..........................41 8
0024 Parking brake See Owner's
Manual .................................................. 430
00C4 Please reduce speed .................... 448
00D9 Please wait 48 V battery charg‐
ing ........................................................ .457
0077 Rectify tyre pressure.................... 460 00C8
Refill Ad Blue See Owne r’s
Manual.................................................. 462
0024 Release parking brake .................. 433
009E Replace air cleaner ...................... 426
Á Replace key.................................. 412
00B6 Reser vefuel le vel......................... 426
0075 Restra int sys. malfunction Con‐
sult workshop........................................ 409
003D See Owner's Manual....................4 55
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ...... 421
Ù Steering malfunction Stop
immediately See Owner's Manual ......... 421
003D Stop vehicle Lea veengine run‐
ning ....................................................... 456
003D Stop vehicle See Owner's Man‐
ual......................................................... 456
ç suspended................................... 436
: Switch off lights............................4 15
: Switch on headlamps.................... 41 500C8
Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 462
00BD Top up coolant See Owner ’s
Manual.................................................. 424
00B2 Top up washer fluid ...................... 423
ï Trailer coupling extending….......... 419
0024 Turn on the ignition torelease
th e parking brake..................................4 33
0072 Vehicle is operational Switch
off ignition before exiting....................... 41 8
00C4 Vehicle rising Please wait............ .448
00C4 Vehicle rising................................4 48
0077 Warning tyre defect..................... .460
0077 Wheel sensor(s) missing.............. 459
00C8 XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 463
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........442
Ac tive Blind Spot Assi stinope rative ...... 443 Index
491

Ac
tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 443
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........ 453
Ac tive Brake Assi stFunctions limited
See Owner's Manual............................. 454
Ac tive Dis tance Assi stavailable again ...4 38
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........437
Ac tive Dis tance Assi stinope rative ........ 437
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........443
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 444
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 40
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........439 Ac
tive Steering Assist inoperative .........440
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual ............441
Ac tive Stop-and-Go Assist inopera‐
tive See Owner's Manual....................... 441
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... .416
Ad aptive Highbeam Assist Plus inop‐
erative.................................................... 416
Anti-theft alarm sy stem Malfunction ..... 422
Apply brake todeselect Park (P)
position................................................. 427
Apply brake toselect D or R..................4 27
App lybrake toselect R.......................... 427
Au xilia rybattery malfunction (red
display message) ...................................4 29
Au xilia rybattery malfunction (white
display message) ...................................4 29
Beginning emerge ncystop.................... 440Blind Spot Assi
stcur rently una vaila‐
ble See Owner's Manual ........................442
Blind Spot Assi stinope rative ................. 442
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual .....442
Cannot start engine See Owner's
Manual......................................... .424, 457
Check brake pads See Owner's Man‐
ual......................................................... 434
Cruise control and Limiter inoperative. .435
Cruise control inope rative..................... 435
Cruise control off.................................. 435
Device de tected at diagnostics con‐
nection See Owner's Manual................. 455
Drive sy stem Malfunction Stop
Switch engine off.................................. 426
Drive sy stem Malfunction Visit work‐
shop......................................................4 26
Fr ont-passenger airbag disabled See
Owner's Manual..................................... 41 0492
Index

Door
Additional door loc k................................ 78
Child saf ety lock (rear door).................... 72
Locking/unlocking (emergency key)....... 82
Opening (from inside ).............................. 79
Po we r closing function............................ 81
Un locking (from inside).......................... .79
Door cont rol panel....................................... 14
Door cont rol panel (rear) ............................ 16
Downhill driving assistance see DSR
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 263
Drive position Engaging................................................ 183
Drive prog ram display ............................... 178
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat Driving abroad
Light adjustment (low beam)................. 13 3
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............2 00
Ac tive Brake Assi st................................ 223
Ad aptive brake lights............................. 206
BA S (Brake Assi stSystem).................... 201
Cameras................................................ 19 8
EBD (Electronic Brake forc e Distribu‐
tion).......................................................2 04
ESP ®
Crosswind Assis t.......................... 202
ESP ®
trailer stabilisation.......................2 02
Off-road ABS......................................... 200
Overview.............................................. .199
Ra dar and ultrasonic sensor s................ 19 8
Re sponsibility........................................1 98
ST EER CONTROL................................... 204
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st see
Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see DSR
see E- ACTIVE BODY CONTROL
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .133
Gene ral driving tips................................ 167
optimised acceleration.......................... 16 6
Ru nning-in no tes.................................... 16 5
Dr ows iness de tection
see ATTENTION ASSIST
DSR Activating/deactivating................. 219, 220
Changing thetar get speed.................... 220 494
Index

Loads
Securing................................................. 11 4
Locking/unlocking Additional door loc k................................ 78
Emergency key........................................ 82
KEYLESS-GO........................................... 80
Opening theta ilgate................................ 83
Swit ching the automatic locking fea‐
ture on/off.............................................. 81
Un locking/opening the doors from
th e inside................................................79
Low beam Light adjustment (driving abroad).......... 13 3
Setting................................................... 14 0
Switching on/of f................................... 13 3
Lo weri ngtheve hicle
Re ar of theve hicle................................. 241
Lu bricant additives
see Additives
Lu ggage
Securing................................................. 11 4
Lu mbar support
see Lumbar support (4-w ay) Lu
mbar support (4-w ay)........................... 103 M
MAGIC VISION CONTROL Windsc reen wipers................................ 14 4
Maintenance see ASS YST PLUS
Malfunction Restra int sy stem..................................... 40
Manoeuvring aid see Manoeuvring assis tance
Manoeuv ring Assist
see Trailer Manoeuv ring Assi st
Manoeuvring assistance Cross Traf fic Alert................................. 264
Drive AwayAssi st.................................. 263
Manoeuv ring assistant
Ac tivating/deactivating......................... 264
Map Displ aying online map con tents............ 302
Displaying weather information.............3 02
Moving................................................... 301
Selecting the map orientation............... 301 Setting
the map scale............................ 301
Switching mo torw ay information on/
off......................................................... .301
Massage prog rammes
Overview.............................................. .107
Re setting the settings............................1 07
Selecting the front seats....................... 107
Maximum design speed see Limiter
Maximum gross vehicle weight .............. .391
Maximum permissible gross vehicle
we ight ........................................................ .391
Maximum speeds...................................... 403
MBUX Interior Assistant Switching there ading light forthe
driver and front passenger on/off
con tact-free........................................... 290
Switching the sear chlight forthe
driver on/off.........................................2 90
MBUX Interior Assistant (multimedia sy stem)
Overview............................................... 288 Index
501

Sy
stem settings
Overview of the sy stem settings
menu.....................................................2 92
Re set function (MBUX multimedia
sy stem)................................................. 296
Sy stem settings
see Language T
Ta ilgate
Closing.................................................... 83
HANDS-FREE ACCES S............................. 86
Limiting the opening angle......................87
Opening................................................... 83
Opening dimensions.............................. 402
Un locking (emer gency key)..................... 88
Ta ilpipes (care)......................................... .345
Ta ke -back of end-of-life vehicles
Pr otection of the environmen t................. 22
Ta nk content
Ad Blue ®
................................................ 398
Fu el.......................................................3 97
Re ser ve(fuel)........................................ 397 Te
ch nical data
Axle load (trailer operation)...................4 07
Fa stening points (trailer hitch).............. 405
Information............................................ 389
Mounting dimensions (trailer hitch)....... 405
No tes (trailer hitch)............................... 405
Overhang dimension (trailer hitch)........4 05
Re gulatory radio identification...............3 91
To ngue weight...................................... .406
To wing capacity (trailer operation)........ 406
Te lephone
Connecting a mobile phone (Passk ey)... 308
Connecting a mobile phone (Secure Simple Pairing)...................................... 308
Fu nctions in thete lephone men u.......... 308
No tes....................................................3 05
Operating modes................................... 307
Te lephone menu overview..................... 307
Wi reless charging (mobile phone).......... 131
Te lephony operating modes
Blue tooth ®
Te lephony........................... .307
Making calls in theve hicle....................3 07
Te mp erature
Setting theve hicle interior temp era‐
ture........................................................ 15 0Themes
Fastening.............................................. 292
Through-loading feature
see Seat
Ti e-d owney es ............................................ 12 2
TIREFIT kit Declaration of conformity........................ 31
St orage location.................................... 352
Using.....................................................3 53
To ll sy stem
Wi ndsc reen...........................................1 48
To ngue weight .......................................... .406
To ol
see Vehicle tool kit
To pTe ther.................................................... 65
To pping up
To pping up AdBlue ®
............................... 189
To uch Control
On-board computer.............................. .278
Operating..............................................2 85
To uchpad
Operating.............................................. 285 Index
511

To
uchscreen
Operating.............................................. 285
To w- aw ay protection
Fu nction.................................................. 96
Priming/deactivating............................... 97
To w- bar sy stem.......................................... 274
To w- starting............................................... 367
To wing away.............................................. 363
To wing eye
Ins talling............................................... .366
St orage location.................................... 366
To wing me thods ........................................ 362
Tr af fic information
Swit ching on the display....................... 302
Tr af fic Sign Assist
Fu nction/no tes..................................... 229
Setting................................................... 231
Sy stem limits.........................................2 29
Tr ailer hitch
Axle load.............................................. .407
Bicycle rack ........................................... 272
Car e...................................................... 345
Coupling up/uncoupling a trailer.......... 270Extending/r
etra cting the ball nec k........ 268
Extending/r etra cting the ball neck
(MBUX multimedia sy stem)...................2 69
Fa stening points.................................... 405
General no tes........................................4 05
Mounting dimensions............................ 405
No tes..................................................... 267
Overhang dimension............................. 405
Soc ket.................................................. .270
To ngue weight...................................... .406
To wing capacity.................................... .406
Tr ailer Manoeuv ring Assi st.................... 265
Tr ailer Manoeuvring Assist
Fu nction................................................ 265
Using..................................................... 266
Tr ailer operation
Ac tive Blind Spot Assi st......................... 233
Ac tive Lane Keeping Assist...................2 34
Bicycle rack ........................................... 272
Coupling up/uncoupling a trailer.......... 270
Extending/r etra cting the ball nec k........ 268
Extending/r etra cting the ball neck
(MBUX multimedia sy stem)...................2 69
No tes..................................................... 267
Soc ket.................................................. .270 Tr
ailer stabilisation
Fu nction/no tes..................................... 202
Tr ansmission
Engaging neutral................................... .182
Tr ansmission position display.................. 180
Tr anspo rting
Ve hicle..................................................3 65
Tr im element (Care)................................... 347
Tu neIn
Calling up..............................................3 31
Tu rn signal indicator
Ac tivating/deactivating......................... 13 5
TV Information............................................ 328
Tw o-w ayradios
Fr equencies........................................... 390
No tes on ins tallation............................ .389
Tr ansmission output (maximum )........... 390
Ty re inflation compressor
see TIREFIT kit
Ty re pressure
Checking (ty repressure monitoring
sy stem).................................................. 373512
Index