Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0024
and
0049
Re d electric parking
brake applied indicator
lamp (USA) lights up
0024
Re d electric parking
brake applied indicator
lamp (Canada) lights up
0024 The electric parking
brake malfunctioning yel‐
low indicator lamp does
not light up Ve
hicles with electric parking brake: the electric parking brake red
indicator lamp lights up. The elect ric pa rking brake yellow indicator
lamp does not light up.
* Meaning of the indicator lamps:
R The electric parking brake red indicator lamp lights up: the elec‐
tric parking brake has been applied.
R The electric parking brake yellow indicator lamp does not light up:
th ere are no faults with the electric parking brake. #
Do not drive theve hicle if the electric parking brake has been
applied.
0024 and
0049
Re d parking brake
applied indicator lamp
(USA) lights up
0024
Re d parking brake
applied indicator lamp
(Canada) lights up Ve
hicles with manual parking brake: the parking brake red indicator
lamp lights up.
* Meaning of the indicator lamp:
R The parking brake red indicator lamp lights up: the parking brake
has been applied. #
Do not drive theve hicle if the parking brake has been applied.
004D
Brake sy stem warning
lamp (yellow) The brake sy
stem yellow warning lamp lights up while the engine is on.
* &
WARNING Risk of an accident due toa brake sy stem mal‐
function
If th e brake sy stem is malfunctioning, braking characteristics may
be impaired. #
Drive on carefull y. Displ
aymessa ges and warning and indicator lamps 37 9
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Have the brake sy stem checked immediately at a qualified
specialist workshop. #
Drive on carefully at an adjus ted speed and at a suf ficient dis‐
ta nce from theve hicle in front. #
Ifth e multifunction display sho wsa display message, comply with
it. #
Visit a qualified specialist workshop.
004D
and
0027
Brake warning lamp (red)
(USA)
004D
Brake warning lamp (red)
(Canada) The brake sy
stem redwa rning lamp lights up while the engine is on.
* Po ssible causes:
R The brake forc e boosting is malfunctioning.
R The EBD (electronic brake forc e distribution) is malfunctioning.
R There is not enough brake fluid in the brake fluid reser voir. &
WARNING Risk of accident and injury if brake forc e boosting
is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal
fo rc e may be necessary for braking. The braking characteristics
may be impaired. The braking dis tance can increase in emergency
braking situations. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident if the EBD (electronic brake
fo rc e distribution) malfunctions
If th e EBD malfunctions, the wheels may lock during braking.
The braking characteristics may be impaired.
The braking dis tance can increase in eme rgency situations. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the brak‐
ing characteristics may be impaired. #
Pull over and stop theve hicle safely as soon as possible,
paying attention toroad and traf fic conditions. Do not con‐
tinue driving under any circums tances. #
Consult a qualified specialist workshop. #
Do not add brake fluid. #
Stop theve hicle immediately in accordance with the traf fic condi‐
tions. Do not continue driving. #
Consult a qualified specialist workshop. 380
Display messages and warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
004D
and
0027
Brake warning lamp (red)
(USA) Only in
the USA: The brake sy stem redwa rning lamp lights up while the
engine is on.
* Po ssible cause:
R The brakepads ha vereached their wear limit. &
WARNING Risk of accident due torestricted braking po wer
When the brake pads ha vereached their wear limit, the braking
po we r may be restricted. #
Drive on carefully. #
Have the brake sy stem checked immediately at a qualified
specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
0075 Re stra int sy stem warning
lamp The
restra int sy stem redwa rning lamp is lit while the engine is on.
*The restra int sy stem is malfunctioning. &
WARNING Risk of inju rydue tomalfunctions in there stra int
sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem compo‐
nents may be triggered unintentionally or may not deploy as inten‐
ded during an accident. This may af fect the Emer gency Tensioning
Devices or airbags, forex ample. #
Have there stra int sy stem checked and repaired immediately
at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.
00E5 ESP ®
wa rning lamp lights
up The ESP
®
ye llow warning lamp lights up while the engine is on.
* ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabiliza‐
tion. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Visit a qualified specialist workshop. Display messages and
warning and indicator lamps 381
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00E5
ESP ®
wa rning lamp
fl ashes The ESP
®
ye llow warning lamp flashes during a journe y.
* ESP ®
inter venes (/ page 147). #
Adapt your driving style to thewe ather and road conditions.
00BB ESP ®
OFF warning lamp The ESP
®
OFF yellow warning lamp lights up while the engine is on.
* ESP ®
has been switched off. &
WARNING Risk of skidding when driving wi thESP ®
deacti va‐
ted
If ESP ®
is deactivated, ESP ®
cannot car ryout vehicle stabilization.
The availability of fur ther driving saf ety sy stems is also limited. #
Drive on carefull y. #
Only deactivate ESP ®
for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist
wo rkshop. #
Comply with instructions toswitch ESP ®
off (/ page147).
0025 ABS warning lamp The ABS
yellow warning lamp lights up while the engine is on.
*ABS is malfunctioning. If an additional warning tone sounds, this means the EBD is malfunc‐
tioning.
Other driving sy stems and driving saf ety sy stems may also be mal‐
functioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunc‐
tioning
If EBD or ABS is malfunctioning, the wheels could lock when brak‐
ing
The steering capability and braking characteristics are thus
se verely impaired. The braking di stance in an emer gency braking
situation can increase. 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 on the multifunction displa y. #
Visit a qualified specialist workshop. 382
Display messages and warning and indicator lamps
Seat belt
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0076
Seat belt warning lamp
fl ashes The seat belt
redwa rning lamp flashes and an intermit tent wa rning tone
sounds.
*The driver or front passenger does not ha vetheir belt on while the
ve hicle is in motion (speeds abo ve15 mp h (2 5 km/h)). #
Put on the seat belt (/ page 34).
*There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat.
0076
Seat belt warning lamp
lights up The seat belt
redwa rning lamp lights up af terth e engine has star ted.
A wa rning tone may also sound.
*When theve hicle is stationary: The seat belt warning lamp reminds
drivers and front passengers toput on their seat belt. #
Put on the seat belt (/ page 34).
Objects on the front passenger seat may pr eventthe seat belt warn‐
ing lamp from going out. Driving sy
stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00BA
Dis tance warning lamp The
red dis tance warning lamp lights up while you are driving and a
wa rning tone sounds.
*Y ou are approaching an obs tacle at too high a speed. #
Beready toapply the brakes immediatel y. #
Increase the dis tance. Ve
hicle Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00CC
Po we rst eering sy stem
wa rning lamp The po
werst eering sy stem redwa rning lamp lights up while the engine
is on.
*The po werst eering assis tance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering no longer functions as intended, theve hicle's oper‐
ating saf ety is jeopardized. #
Consult a qualified specialist workshop. #
Obser vethe messages on the multifunction displa y. Displ
aymessa ges and warning and indicator lamps 383
1,
2, 3 ...
3-zone automatic climate control
(operating unit) .................................... .101
12 V so cket
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
360° Camera ........................................ 15 9
Care ................................................ .288
Fu nction ........................................... 15 9
Selecting a view ................................ 161
Switching au tomatic operation
on/off (rear view camera) ................. 161A
ABS (Anti-lock Braking Sy stem) .......... 14 6
Ac celeration
see Using kickdown
Ac cess data
Setting (Blue tooth®
) .........................2 55
Ac oustic locking verification signal
Ac tivating/deactivating ...................... 47
Ac tivating/deactivating the HOLD
function ................................................. 15 5
Ac tive Brake Assi st.............................. 14 9
Fu nction/no tes ................................ 14 9
Setting .............................................. 15 0
Ac tive Di stance Assist DISTRO NIC..... 15 2
Calling up a speed ............................ 15 3
Fu nction ........................................... 15 2
Increasing/decreasing speed ........... 15 3
Re quirements .................................. .153
St eering wheel buttons ..................... 15 3
St oring a speed ................................ 15 3
Switching off/deacti vating ............... 15 3
Switching on/activating ................... 15 3
Sy stem limitations ............................1 52
Ac tive Lane Keeping Assist .................167
Fu nction ........................................... 167
Sy stem limitations ............................1 67
Tr ailer operation .............................. .167
Ac tive Parking Assist
Maneuvering assis tance ................... 161
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................. 86
Switching on/o ff................................ 86
Ad d-on equipment .................................. 22 Ad
d-on equipment guidelines ............... 22
Ad ditional turn signal light (all-
wheel drive vehicles) ............................. 92
Ad diti ve ................................................. 344
DEF .......................................... 136, 343
Engine oil ......................................... 344
Ad diti ves
Fu el .................................................. 341
Ad diti ves (DEF)
see DEF
Ad diti ves (engine oil)
see Additive
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
ADR (working speed control) Adjusting .......................................... 16 9
Fu nction ........................................... 16 8
Switching on/off .............................. 16 9
Af ter-sales service center
see ASS YST PLUS
Air nozzles see Air vents
Air vents ........................................1 04,105
adjusting (front) ................................ 104
Ad justing (roof) ................................. 105
Re ar passenger compartment .......... 105
Airbag ...................................................... 35
Ac tivation ........................................... 32
Fr ont airbag (driver, front
passenger) ......................................... 35
Ins tallation locations .......................... 35
Overview ............................................ 35
Pr otection impaired ............................36
Pr otection pr ovided ............................ 35
Side airbag ........................................ .35
Wi ndow cur tain airbag ........................ 35
Alarm sy stem
see ATA (Anti-Theft Alarm sy stem)
Alertness assistant see ATTENTION ASSIST
All-wheel drive Engaging ...........................................1 25
Engaging/disengaging ..................... .125
LO Wrange ........................................ 12 6
No tes ................................................ 124
Alternative route
see Route Index
387
Android
Auto ......................................... 252
Connecting a mobile phone .............. 253
Control using the application but‐
to ns .................................................. 253
Ending .............................................. 253
No te ................................................. 253
Overview .......................................... 252
Sound settings ................................. 253
Tr ans ferred vehicle data ...................2 53
Animals Pets in theve hicle .............................. 45
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft Alarm sy stem
see ATA (Anti -Theft Alarm sy stem)
Anti-theft pr otection
Immobilizer ........................................ .61
Anti-theft pr otection
see ATA (Anti -Theft Alarm sy stem)
Apple CarPlay ®
...................................... 251
Connecting an iPhone ®
.................... 252
Control using the application but‐
to ns .................................................. 252
Ending .............................................. 252
No tes ................................................ 251
Overview ...........................................2 51
Sound settings ................................. 252
Tr ans ferred vehicle data ...................2 53
Ashtr ays
In the windshield stowage com‐
partment ............................................ 79
ASR (acceleration skid cont rol) .......... .147
Assistance graphic (on-board com‐
puter) ..................................................... 17 9
ASS YST PLUS ........................................ 278
Battery disconnection periods .......... 278
Displ aying the service due date ........ 278
Fu nction/no tes ................................ 278
Re gular maintenance work ............... 278
Special service requirements .......... .278
ATA (Anti-Theft Alarm sy stem) .............. .61
Ac tivating/deactivating the interior
motion sensor .................................... 63
Fu nction .............................................. 61
Interior motion sensor function .......... 63
St opping the alarm ............................. 62
Switching theto w- aw ay alarm
on/off ................................................ 62
To w- aw ay alarm function .................... 62 At
tachments .......................................... .22
AT TENTION ASSI ST....................... 162, 16 3
Fu nction ........................................... 16 2
Setting .............................................. 16 3
Sy stem limitations ............................1 62
Au thorized workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ........................84
Au tomatic transmission
DIRECT SELECT le ver ........................ 12 2
Engaging drive position .................... 12 3
Engaging neutral ............................... 12 2
Engaging reve rsege ar ...................... 12 2
Kickdown .......................................... 124
Re stricting the shift range ................ 124
Selecting pa rkposition .....................1 23
Tr ansmission position display .......... .122
Tr ansmission positions .................... .122
Au xiliary heating ..................................1 05
Fu nction ........................................... 105
Axle load .............................................. .338 B
Back support see Lumbar support (4-w ay)
BA S (Brake Assist Sy stem) .................. 14 6
Battery Charging ........................................... 295
Charging a vehicle battery ................2 95
Disconnecting the auxiliary battery
in the engine compartment .............. 300
Disconnecting thest ar ter battery .... 298
Jump -sta rting (vehicle) .................... .295
Ke y .................................................... .47
No tes (vehicle) ................................. 294
Re moving or ins talling thest ar ter
battery .............................................2 99
St arter battery .................................. 297
Battery main switch Notes ................................................ 12 0
Switching po wer supp lyon/off ......... 121
Belt see Seat belt
Belt warning
see Seat belt
Blind Spot Assist .................................. 16 4
Ac tivating/deactivating .................... 16 5
Fu nction ........................................... 16 4
Re ar Cross Traf fic Alert .................... 16 6388
Index
Sy
stem limitations ............................1 64
Blue tooth ®
............................................. 211
Ac tivating/deactivating .................... 211
Information .......................................2 10
Setting up an Internet connection .... 255
Bottle holder ........................................... 78
Brake ABS (Anti-lock Braking Sy stem) ........ 14 6
Ac tivating/deactivating the HOLD
function ............................................ 15 5
Ac tive Brake Assi st........................... 14 9
BA S (Brake Assi stSystem) ............... 14 6
Braking wi thparking brake: .............. 11 4
Downhill gradient .............................. 11 4
Driving no tes ............................. 111,11 4
EBD (electronic brake forc e distri‐
bution) ..............................................1 48
Heavy and light loads ........................ 11 4
HOLD function .................................. 15 5
New brake discs and brake pads/
linings ............................................... 11 4
Re stricted braking ef fect (salt-trea‐
te dro ads) ........................................ .114
We tro ad sur faces ............................. 11 4
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake Assistance see BAS (Brake Assi stSystem)
Brake fluid
No tes ............................................... 346
Brake forc e distribution
EBD (electronic brake forc e distri‐
bution) ..............................................1 48
Brakes Breaking-in no tes .............................. 111
New/replaced brakepads/brake
discs .................................................1 11
Breakdown Assi stance overview .......................... .18
Changing a wheel ............................ .327
Ro adside Assis tance ........................... 24
To w starting .................................... .304
To wing away ..................................... 301
Tr ansporting theve hicle ...................3 03
Breakdown see Flat tire
Breaking-in no tes ..................................1 11
Bulbs Reversing light .................................... 94
Buttons Steering wheel ..................................1 76 C
Call list Calling up options ............................ .249
Deleting ............................................ 24 9
Making a call .................................... 24 9
Overview .......................................... 24 9
Calls ...................................................... .246
Ac cepting ......................................... 24 6
Ac tivating functions du ring a call ...... 24 6
Calls with se veral participants .......... 24 6
Declining .......................................... 24 6
Ending a call ..................................... 24 6
Incoming call during an existing
call .................................................. .246
Making ............................................. 24 6
Camera see 360° Camera
see Rear view camera
Car wash
see Care
Car wash (care) .................................... 286
Car-to-X-Communication Displaying hazard warnings .............. 235
Overview .......................................... 235
Sending hazard warnings ................ .235
Care ....................................................... 290
Car wash .......................................... 286
Carpet ..............................................2 90
Displ ay............................................. 290
Exterior lighting ................................ 288
Headliner .......................................... 290
Matte finish ...................................... 287
Pa int ................................................ .287
Plastic trim ....................................... 290
Po we rwa sher ................................... 286
Re alwo od/trim elements ................2 90
Re ar view camera/360° Camera .... .288
Seat belt .......................................... .290
Seat co ver ........................................ 290
Sensors ............................................ 288
Ta ilpipes .......................................... .288
Tr ailer hit ch...................................... 288
Wa shing byhand .............................. 287
Wheels/rims .................................... 288
Wi ndo ws ........................................... 288
Wi per blades .................................... 288
Cargo compartment lighting Motion de tector .................................. 89
Cargo co mpartment ventilation
Deactivating .....................................1 08
Setting .............................................. 108
Cargo tie-down point ............................273 Index
389