
Display messages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (→ page 324). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
Tyre press. monitor cur-
rently unavailable *N
o signals can be recei ved from the tyre pressure sensors due tostro ngradio signal source inter fere nce. The tyre
pressure moni toring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified. Display messages and
warning/indicator lamps 419

Display messages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. The pressure of the af fected tyre is not
displ ayed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. #
Drive more sl owly. 420
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Apply brake to select R *
Yo u ha veattem ptedto shift the transmission out of position hand into transmission position k. #
Depress the brake pedal. #
Switch the transmission toposition k.
j
Operation only possible in
transmission position N *
Yo u ha veattem ptedto swivel the ball neck and the transmission is not in position i. #
Switch the transmission toposition i.
j
Operation only possible in
transmission position P *
Yo u ha veattem ptedto swivel the ball neck and the transmission is in position k,iorh. #
Depress the brake pedal. #
Switch the transmission toposition j.
_
Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmissions: the electric steering lock was unable tounlo ck th esteering. #
Switch off the ignition. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on. Display messages and
warning/indicator lamps 429

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 on 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. 442
Displaymessa ges and warning/indicator lamps

Au
tomatic front passen ger airbag
shu toff ........................................................ 41
Fu nction of the automatic front
passenger airbag shutoff ....................... 41
Au tomatic front passen ger front air‐
bag deacti vation sy stem .................... .41, 42
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag deactivation sy stem
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .145
Au tomatic transmission
DIRECT SELECT le ver ........................... 172
Drive program display .......................... 17 0
Drive programs .................................... 17 0
DY NA MIC SELECT switch .................... 17 0
Engaging drive position ........................ 173
Engaging reve rsege ar ........................ .173
Kickdown ............................................. 175
Manual gearshifting ............................ .174
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173St
eering wheel gearshift paddles ........ .174
Tr ansmission position display .............. 172
Tr ansmission positions ........................ 172
Axle load Perm issible .......................................... 366
Tr ailer operation .................................. 380 B
Ball neck Extending/r etra cting ........................... 24 5
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 16 3
Ke y ........................................................ 69
Re mo tecontrol (s tationary heater) ...... 15 6
Battery (vehicle) Charging .............................................. 332
Notes .................................................. 330
St arting assis tance .............................. 332
Belt see Seat belt
Belt airbag Activation .............................................. 32 Fu
nction/no tes .....................................36
Bic ycle rack
Tr ailer operation .................................. 24 8
Blind Spot Assi st..................................... 239
Ac tivating/deactivating ...................... .241
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Ac tivating/deactivating ...................... .275
Settings ............................................... 274
Blue tooth ®
Au dio
Ac tivating ............................................ 300
Ad justing thevo lume .......................... .300
Displ aying device de tails .................... .301
Information .......................................... 299
Overview ............................................. 299
Sear ching for and auth orisingthe
device .................................................. 299 Index
459

Boot box
see EAS Y-PA CK boot box
Boot lid Activating/deactivating the boot lid
opening limiter ....................................... 81
Closing .................................................. 77
HANDS-FREE ACCESS .......................... .79
Locking separa tely ................................. 81
Opening .................................................76
Opening dimensions ............................3 76
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes ................................................... 374
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 6
Brakes ABS (Anti-lock Braking Sy stem) ........... 191
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
Driving tips .......................................... 16 4EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 6
HOLD function .................................... .212
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 16 4
New/replaced brake linings/brake
discs .................................................... 16 4
Ru nning-in no tes ..................................1 64
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Assis tance overview .............................. 18
To w- starting ........................................ 340
To wing away ........................................ 336
Tr ansporting theve hicle ......................3 38
Wheel change ...................................... 357
Breakdown see Flat tyre
Breakdown assistance call see Service call
Breakdown management see Service call
Bu rm ester ®
sur round sound sy stem .....3 05
Ad justing the balance/fader ............... 305 Ad
justing the sound optimisation ........ 305
Ad justing treble, mid and bass ............ 305
Calling up the sound menu .................. 305
Information .......................................... 305
Switching the sur round sound on/off
............................................................ .305
Buttons Steering wheel .................................... 252 C
Call lists Calling up the speed dial list ............... 285
Deleting speed dial presets ................. 285
Displaying de tails from a list ent ry...... 285
Making a call ....................................... 285
Overview ............................................. 285
Setting up a speed dial li st.................. 285
Calling up the sound menu Burmes ter®
sur round sound sy stem ... 305
Calls ..........................................................2 82
Ac cepting ............................................ 282
Ac tivating functions du ring a call ........ 282
Calls wi thseveral participants ............ .282
Declining ............................................. 282 460
Index

Ending a call ........................................ 282
Incoming call du
ring an existing call .... 283
Making ................................................ 282
Vi ath eove rhead control panel
(Mercedes me connect) ......................2 88
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ........................................3 14
Care .......................................................... .319
AIR PANEL ............................................ 317
Car wash ..............................................3 14
Carpet .................................................. 319
Displ ay................................................. 319
EAS Y-PA CK boot box ............................ 319
Exhaust pipes ...................................... 317
Exterior lighting .................................... 317
Genuine wood/trim elements .............. 319
High-pressu recleaner .......................... 314
Matt finish ........................................... 316Pa
int wo rk ............................................. 316
Plastic trim ...........................................3 19
Re versing camera/360° Camera ........ .317
Ro of lining ............................................ 319
Seat belt .............................................. 319
Seat co ver ............................................ 319
Senso rs................................................ 317
Tr ailer tow hit ch................................... 317
Wa shing byhand ..................................3 15
Wheels/rims ........................................3 17
Wi ndo ws .............................................. 317
Wi per blades ........................................ 317
Carpet (Care) ............................................ 319
Changing bulbs ........................................ 137
Dipped beam ....................................... 13 8
Fitting/removing co ver (front wheel
ar ch ) .................................................... 13 8
Main beam ...........................................1 38
No tes ................................................... 137
Opening/closing the side trim pan‐
els .......................................................1 39
Overview .............................................. 137
Re versing light .................................... .139
Tu rn signal light (front) ........................ 13 8
Tu rn signal light (rear) .......................... 13 9Changing hub caps
.................................. 357
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 127
Channel tracking Setting ................................................ .303
Charging Battery (vehicle) .................................. 332
Mobile phone (wi reless) ...................... .124
USB port ..............................................1 24
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .215
Child saf ety lock
Re ar side wind ows................................. 65
Child seat Attach ing (no tes) ................................... 54
Fr ont passenger seat (no tes) ................. 52
Fr ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 54
Fr ont passenger seat (without airbag
shutoff) .................................................. 53
ISOFIX/i-Size (fitting) ............................50
No tes ..................................................... 46
Re commended child restra int sy stems .. 61 Index
461

Ad
aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........438
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 437
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 437
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .437
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .436
4 Add 1 litre engine oil when
next refuelling ...................................... 413
Air conditioning Malfunction See
Owner's Manual .................................. 428
App lybrake todeselect Park (P)
position ...............................................4 25
Apply brake toselect R ....................... 429 À
ATTENTION ASSIST
inoperative .......................................... 399
À ATTENTION ASSIS T:Take a
break! .................................................. 399
b AUTO lights inope rative .............. 436
Au xilia rybattery malfunction ...............427
_ Before starting the engine, turn
th esteering wheel. .............................. 429
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 402
Blind Spot Assist inope rative ............... 403
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 03
Brake immediate ly............................... 391
 Change key bat teries ................. 422
Ø Check AdBlue See Owne r’s
Manual .................................................4 16
J Check brake fluid le vel.............. .391
4 Check eng. oil le v.when next
re fuelling .............................................. 411j
Check trailer hit chlock .............. 424
h Check tyre(s) .............................. 41 8
! Clean the fuel filter .................... .414
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .428
? Coolant Stop vehicle Switch
engine off ............................................ 407
Cruise contro l and Limiter inope ra‐
tive ...................................................... 406
Cruise control inope rative ................... 405
Cruise control off ................................ 405
! currently una vailable See Own‐
er's Manual ........................................ .383
÷ currently una vailable See Own‐
er's Manual ........................................ .384
Dep ress clutch fully tostart engine .....4 28
È .................................................... 406
Ø Eng.start not possible in XXX
km ...................................................... .416
Ø Eng.start not possible ................416 Index
465