
Display messages
Possible causes/consequences and 0050
0050Solutions
R The tyres may wearexcessively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. 0007
Obser vethere commended tyre pressures. 0007
Adjust the tyre pressure if necessar y. 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyre pressure (0013 page 451) andthe tyres. 0007
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (0013 page 459).
0077 Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. 000A
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. 0007
Do not drive with a flat tyre. 0007
Obse rveth e no tes on flat tyres. 530
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
No tes on flat tyres (0013 page 429). 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyres.
0077 Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. 000A
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. 0007
Obser vethere commended tyre pressures. 0007
Adjust the tyre pressure if necessar y. 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyre pressure (0013 page 451) andthe tyres.
0077 *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the wheels is too
great. 0007
Check the tyre pressure and add air, if necessar y. Displ
aymessa ges and warning/indicator lamps 531

Display messages
Possible causes/consequences and 0050
0050Solutions
Rectify tyre pressure 0007
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem (0013 page 454).
0077
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
re cei ved. The tyre pressure monitoring sy stem is temp orarily una vailable. 0007
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
0077
Wheel sensor(s) missing *T
he tyre pressure sensor signal is missing from one or more tyre(s). The pressure of the af fected tyre is not dis‐
pl ay ed. 0007
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
0077 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. 0007
Fit wheels with suitable tyre pressure sensors.
0077 *T
he tyre pressure monitoring sy stem is faulty. 532
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0025 ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 000A
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 br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop.
0024 Re d indicator lamp, elect ric
parking brake applied The
red elect ric pa rking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions. 0007
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 549

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0024 Ye llow elect ric pa rking
brake indicator lamp is mal‐
functioning
004D
Brake sy stem warning lamp
(yellow) The
yellow brake sy stem warning lamp is lit while the engine is running. 000A
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. 0007
Ifth e multifunction display sho wsa display message, please obse rveth is. 0007
Consult a qualified specialist workshop.
00E5 ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tyre assembly has reached its traction limit (0013 page 206). 0007
Adapt your driving style to suit thero ad and weather conditions. 550
Display messages and warning/indicator lamps

1,
2, 3 ...
4MATIC ..................................................... 188
Fu nction .............................................. 188
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety .................................... 21
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 24 4
Fu nction .............................................. 24 4
Opening the camera co ver (r eve rsing
camera) .............................................. .247
Selecting a view ................................... 247
Setting favo urites ................................ .247
Switching au tomatic operation
on/off (r eversing camera) .................. .247 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 15 9
Switching on/off (control panel) ......... 15 9
ABS (Anti-lock Braking Sy stem) ............ .205
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
) .............................3 75
Setting (Blue tooth®
) .............................3 74
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .368
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 72
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ... 406
Ac tive Blind Spot Assi st......................... 258
Ac tivating/deactivating ...................... .261
Brake application ................................. 259
Fu nction .............................................. 258 Sy
stem limitations ...............................2 58
Tr ailer operation .................................. 259
Ac tive bonn et(pedestrian pr otection) .. 409
Operation ............................................ 409
Re setting ............................................. 409
Ac tive Brake Assi st
Fu nction/no tes .................................... 210
Setting ................................................. 216
Ac tive Di stance Assist DISTRO NIC........ 220
Ac tive Emergency Stop Assist .............2 30
Ac tive Lane Change Assi st.................. 229
Calling up a speed ............................... 222
Displa ysinthe instrument display .......2 30
Fu nction .............................................. 220
Increasing/decreasing speed .............. 222
Re quirements: .................................... .222
Ro ute-based speed adap tation ........... .225
Selecting ............................................. 222
St eering wheel buttons ....................... 222
St oring a speed ................................... 222
Switching off/deactivating .................. 222
Switching on/activating ......................2 22
Sy stem limitations ...............................2 20
Ac tive Eme rgency Stop Assist ...............230 560
Index

Ad
justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 406
ADS PLUS damping sy stem
see AIRMATIC
Ad versewe ather light ............................ .139
Af ter-sales service centre
see ASS YST PLUS
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .157
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents ................................................... 167
Ad justing (front) ................................... 167Ad
justing (rear) .................................... 167
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 0
Air-water duct .......................................... 416
Ke eping free ......................................... 416
Airbag ........................................................ .37
Ac tivation .............................................. 31
Fr ont airbag (driver, front passenger) ....37
Ins tallation locations ............................ .37
Knee airbag ........................................... 37
Overview ............................................... 37
PA SSENGER AIR BAG indicator lamp .... .41
Pr otection ..............................................37
Re duced pr otection ...............................39
Side impact airbag ................................. 37
Wi ndow airbag ....................................... 37
Airflow Setting ................................................ .157
AIRM ATIC ................................................ .234
Setting ................................................. 236
Suspension .......................................... 234
AIRPANEL (Care) ...................................... 422 Alarm
see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem) ................1 43
Android Auto ............................................ 364
Connecting a mobile phone ................. 365
Ending ................................................. 366
Information .......................................... 365
Overview ............................................. 364
Sound settings .................................... 366
Tr ans ferred vehicle data ......................3 66
Animals Pets in theve hicle ................................. 69
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains 562
Index

Au
tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff ........................................... 39, 41
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 39
PA SSENGER AIR BAG indicator lamp .... .41
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .155
Au tomatic transmission
DIRECT SELECT le ver ........................... 183
Drive program display .......................... 180
Drive programs .................................... 17 9
DY NA MIC SELECT switch .................... 17 9
Engaging drive position ....................... 185
Engaging neutral .................................. 184
Engaging pa rkposition ........................ 184
Engaging reve rsege ar ........................ .184
Kickdown ............................................. 186
Manual gear changing ........................ .185
St eering wheel gearshift paddles ........ 185
Tr ansmission position display .............. 183Tr
ansmission positions ........................ 183
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 475
Tr ailer operation .................................. 490 B
Bag hook .................................................. 12 0
Ball ne ck
Fo lding out/in .................................... .264
BA S (Brake Assist Sy stem) .................... .205
Battery Cha rging (Remo teOnline) .................... 171
Ke y ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 16 5
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 440
Charging .............................................. 439
Charging (Remo teOnline) .................... 171
No tes .................................................. 435 No
tes (s tarting assis tance and
ch arging) ............................................ .437
Re placing ............................................ 440
St arting assis tance .............................. 439
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 268
Blind Spot Assist .................................... .258
Ac tivating/deactivating ...................... .261
Fu nction .............................................. 258
Sy stem limitations ...............................2 58
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
................................................ 310
Information ..........................................3 10
Setting up an Internet connection ....... 374
Switching on/off ................................. 310
Switching profile (DUN/PAN) .............. 375
Blue tooth ®
audio
Ac tivating ............................................ 393 564
Index