Display messages
Possible causes/consequences and 0050 0050Solutions
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Clean the windshield.
Traffic Sign Assist Cur-
rently Unavailable See
Operator's Manual *T
raffic Sign Assist is temp orarily una vailable (/ page163). #
Drive on.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again.
*T he windshield is dirty.
Clean the windshield.
Blind Spot Assist Inoper-
ative *B
lind Spot Assist is malfunctioning (/ page164). #
Visit a qualified specialist workshop.
Blind Spot Assist Trailer
Not Monitored *W
hen you es tablish an electrical connection with the trailer, Blind
Spot Assist will remain available but the area beside the trailer will
not be monitored. The function of Blind Spot Assist may be restric‐
te d as a result (/ page164). #
Press the left-hand Touch Control and ackn owledge the display
message.
Blind Spot Assist Cur-
rently Unavailable See
Operator's Manual *B
lind Spot Assist is temp orarily una vailable (/ page164).
The sy stem limits ha vebeen reached (/ page164). #
Drive on.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again.
or #
Ifth e display message does not disappear, stop in accordance
with the traf fic conditions and restart the engine. #
If necessar y,clean there ar bumper. If the bumper is very dirty,
th e sensors in the bumper may malfunction.
Active Lane Keeping
Assist Camera View
Restricted See Opera-
tor's Manual *T
he camera view is restricted (/ page 167).
Po ssible causes:
R Dirt on the windshield in the camera's field of vision
R Heavy precipitation or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Clean the windshield. Display messages and
warning and indicator lamps 363
Display messages
Possible causes/consequences and 0050 0050Solutions
00B3
Engine Oil Level Cannot
Be Measured *T
he electrical connection tothe oil le vel sensor has been inter rup‐
te d or the oil le vel sensor is faulty. #
Visit a qualified specialist workshop.
00B2
Engine Oil Pressure Stop
Switch Off Engine *D
isplay message for cer tain engines only:
The engine oil pressu reistoo lo w.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop.
00B2
Check Engine Oil Level
(Add 1 Liter) *T
he engine oil le vel has fallen tothe minimum le vel.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe engine oil le vel at the next fuel stop.
Re fill engine oil (/ page 281).
Obser vethe no tes on engine oil (/ page 344).
00B2 Engine Oil Reduce Oil
Level *D
isplay message for cer tain engines only:
The engine oil le vel is too high.
* NO
TEEngine damage caused bydriving with excess engine
oil #
Avoid long journe yswith excess engine oil. #
Visit a qualified specialist workshop immediately and ha vethe
engine oil suctioned off.
00B2
Engine Oil Level Low
Stop Vehicle Turn
Engine Off *D
isplay message for cer tain engines only:
The engine oil le vel is too lo w.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop in a safe location immediately. Do not continue driving. #
Switch off the engine. #
Check the engine oil le vel.
Ad d engine oil (/ page 281).
Obser vethe no tes on engine oil (/ page 344). Display messages and
warning and indicator lamps 365
Display messages
Possible causes/consequences and 0050 0050Solutions
Af terth e message appears forth efirs t time, the engine can only be
st ar ted ano ther 10 times. The number of remaining engine starts XX
(10 to1) is shown in the message everytime the engine is star ted. #
Visit a qualified specialist workshop immediately.
0099 Additive System Fault
Emergency Op.: XXX
mph See Operator's
Manual *
In addition, theye llow 00B9 Check Engine warning lamp on the
instrument clus ter lights up and a warning tone sounds.
Yo u can only drive theve hicle at a maximum speed of 5 mph
(8 km/h). #
Visit a qualified specialist workshop immediately. Ti
res Display messages
Possible causes/consequences and 0050
0050 Solutions
Tire Pressure Monitor
Inoperative No Wheel
Sensors *T
he ins talled wheels do not ha vesuitable tire pressure sensors. The
tire pressure monitor has been switched off. #
Install wheels with suitable tire pressure sensors.
0077
Tire Press. Sen. Missing *T
he tire pressure sensor signal is missing from one or more tires.
No pressure value is displa yedfo rth e tire in question. #
Have thefa ulty tire pressure sensor replaced at a qualified spe‐
cialist workshop.
Tire Press. Monitor Cur-
rently Unavailable *T
here is inter fere nce from a po werful source of radio wav es As a
re sult, no signals from the tire pressure sensors are received. The
tire pressure monitor is temp orarily una vailable. #
Continue driving.
As soon as the cause has been eliminated, the tire pressure
monitor automatically switches on.
0077 Warning Tire Malfunction *T
he pressure in one or more tires suddenly falls. The wheel position
is shown. &
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
R The tires can overheat and cause a fire.
R The driving characteristics, as well as steering and braking,
may be greatly impaired.
Yo u could then lose cont rol of theve hicle. #
Do not drive with a flat tire. #
Obse rveth e no tes on flat tires. In
fo rm ation about flat tires (/ page 294). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tires. Display messages and
warning and indicator lamps 369
Lights
Display messages
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Camera View
Restricted See Opera-
tor's Manual *
The camera view is reduced. Possible causes:
R Dirt on the windshield in the camera's field of vision
R Heavy precipitation or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems are available again.
If th e display message does not go out: #
Stop in a safe location. #
Clean the windshield.
Adaptive Highbeam
Assist Currently Unavail-
able See Operator's Man-
ual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page 86). #
Continue driving.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again. The display message Adaptive Highbeam Assist Now
Available appears.
Adaptive Highbeam
Assist Inoperative *A
daptive Highbeam Assist is malfunctioning. #
Visit a qualified specialist workshop.
0049
Switch On Headlamps *Y
ou are driving without a low beam. #
Turn the light switch toposition 0058.
or #
Turn the light switch tothe0058 position.
0049
Switch Off Lights *Y
ou are leaving theve hicle and the light is still switched on. #
Turn the light switch toposition 0058.
0049
Auto Lamp Function
Inoperative *T
he light sensor is malfunctioning. #
Visit a qualified specialist workshop.
0049
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning. #
Visit a qualified specialist workshop.
* Ve hicles with trailer hitch: a fuse may ha veblown. #
Stop in accordance with the tra ffic conditions. #
Check the fuses, and replace them if necessary(/ page 304). Display messages and
warning and indicator lamps 375
Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
red coolant warning lamp lights up while the engine is running.
* Po ssible causes:
R temp erature sensor malfunctioning
R coolant le velto o low
R air supply tothe engine radiator obstructed
R engine radiator fanfa ulty
If a warning tone also sounds, the coolant has exceeded thete mp era‐
ture of 248 °F (120 °C). &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a
fi re inthe engine compartment, you could come into con tact wi th
hot gases or other escaping operating fluids. #
Before opening the hood, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the
hood closed and call thefire service. #
Stop immediately in accordance with the traf fic conditions and
switch off the engine. Do not continue driving. #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp era‐
ture scale: #
Consult a qualified specialist workshop.
Otherwise: #
Leavetheve hicle and keep a safe dis tance from theve hicle until
th e engine has cooled down. #
Check the coolant le vel(/ page 282). #
Ensure that the air supply tothe engine radiator is not obstructed. #
Without subjecting the engine toexc essive stra in, continue tothe
nea rest qu alified specialist workshop. Ensure that the coolant
te mp erature display remains below 248 °F (120 °C).
003D
Electrical malfunction
wa rning lamp The elect
rical malfunction redwa rning lamp lights up.
*A malfunction has occur red in the electrics. #
Read the messages on the multifunction displa y.
00D4
Fu elreser vewarning
lamp The fuel
reser veyellow warning lamp lights up while the engine is on.
*T he fuel supplies ha vereached there ser veleve l. #
Refuel. 384
Displaymessa ges and warning and indicator lamps
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
Cur
rently Una vailable Radar Sen‐
sors Dirty .........................................3 62
Driver's Door Open & Transmission
Not in P Risk of Vehicle Rolling
Aw ay ................................................. 374
N Pe rm anently Active Risk of Roll‐
ing Away ........................................... 374
Only Shift to'P' when Vehicle is
St ationary ........................................ .374
Ra dar Sensors Dirty See Opera‐
to r's Manual .................................... .358
Re generation Not Possible ............... 367
Re versing Not Possible Service
Re quired .......................................... .373
Service Required Do Not Shift
Gears Visit Dealer ............................. 373
Shift to'P' or 'N' toStart Engine ......373
SOS NOT READY .............................. 359
Ti re Press. Monitor Cur rently
Un available ...................................... .369
Ti re Pressure Monitor Inoperative ....370
Ti re Pressure Monitor Inoperative
No Wheel Sensors ............................3 69
To Engage Transmiss. Position R
Fir stDep ress the Brake .................... 373
Tr af fic Sign Assi stCamera View
Re stricted See Ope rator's Manual ... 362
Tr af fic Sign Assi stCur rently
Un available See Operator's Manual
.......................................................... 363
Tr af fic Sign Assi stInoperative .......... 362
Tr ansmission Malfunction Stop ......... 373
Display range (trip menu) ....................17 9
Display total di stance (trip menu) ......17 9
Distance cont rol
see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Locking (emergency key) .................... 50
Un locking (emer gency key) ................ 50
Door cont rol panel ................................ .16DO
T,Tire Identification Number
(TIN) ....................................................... 320
Drinking and driving .............................111
Drive Away Assist .................................1 65
Driver's seat see Seats
Driving and drinking .............................111
Driving characteristics (unusual) ....... 308
Driving instructions Foreign trip (information) .................. 11 3
Driving light see Automatic driving lights
Driving no tes
Brake subject toload ........................ 11 4
Braking ............................................. 11 4
Breaking-in no tes .............................. 111
Downhill gradient .............................. 11 4
Drinking and driving .......................... 111
Gene ral driving tips .......................... .111
New brake discs and brake pads/
linings ............................................... 11 4
Pa rking brake .................................... 11 4
Re stricted braking ef fect (salt-trea‐
te dro ads) ........................................ .114
Tr ansport byrail ................................ 11 4
We tro ad sur faces ............................ .114
Driving Sa fety Sy stem
ABS (Anti-lock Braking Sy stem) ........ 14 6
ASR (acceleration skid control) ........ 147
BA S (Brake Assi stSystem) ............... 14 6
EBD (electronic brake forc e distri‐
bution) ..............................................1 48
ESP ®
Crosswind Assist ..................... 14 8
ESP ®
trailer stabilization .................. 14 8
Overview .......................................... 14 6
Ra dar sensors .................................. 14 5
Re sponsibility ................................... 14 5
Driving saf ety sy stem
see Active Brake Assi st
see ESP ®
(Electronic Stability Prog ram)
Driving sy stem
see 360° Camera
see Activating/deactivating the
HOLD function
see Active Dis tance Assi stDISTRONIC
see Active Lane Keeping Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see HOLD function
see Lane Keeping Assist 394
Index