Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions &
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. #
Visit a qualified specialist workshop immediately.
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 malfunc‐
tioning. &
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. #
Continue driving carefully. #
Read the messages on the multifunction displa y. #
Visit a qualified specialist workshop.
00E5
ESP ®
wa rning lamp
fl ashes The ESP
®
ye llow warning lamp flashes during the trip.
ESP ®
inter venes (/ page 138). #
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 vated
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 work‐
shop. Display messages and
warning and indicator lamps 301
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
Comply with instructions toswitch ESP ®
off (/ page138).
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 malfunc‐
tioning. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunc‐
tioning
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 in an emergency 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. #
Continue driving carefully. #
Read the messages on the multifunction displa y. #
Visit a qualified specialist workshop. Seat belt
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0076
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone
sounds.
The driver or co-d rive r does not ha vetheir belt on during the trip
(speeds abo ve15 mp h (25 km/h)). #
Put on the seat belt (/ page31).
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 once the engine has star ted.
A wa rning tone may also sound.
When theve hicle is stationary: The seat belt warning lamp reminds driv‐
ers and front-passenger toput on their seat belt. #
Putting on the seat belt (/ page31).
Objects on the front-passenger seat may pr eventthe seat belt warning
lamp from going out. 302
Display messages and warning and indicator lamps
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.
Yo u 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
red po werst eering sy stem warning lamp lights up while the engine
is running.
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 operat‐
ing saf ety is jeopardized. #
Consult a qualified specialist workshop. #
Read the messages on the multifunction displa y.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. Display messages and
warning and indicator lamps 303
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions #
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 the
engine has cooled down. #
Check the coolant le vel(/ page 206). #
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 tem‐
perature 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.
The fuel supplies ha vereached there ser veleve l. #
Refuel.
00B9 Engine diagnosis warning
lamp The
yellow Check Engine warning lamp lights up while the engine is on.
A malfunction has occur red in the engine, theex haust sy stem or the
fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may
be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified special‐
ist workshop. Ti
res Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0077
Ti re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tire pressure monitoring sy stem warning lamp (pressure
loss/malfunction) flashes forro ughly one minute and then lights up per‐
manentl y.
The tire pressure monitoring sy stem is malfunctioning. 304
Display messages and warning and indicator lamps
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions &
WARNING Thereis a risk of an accident if the tire pressure
monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not
able toissue a warning if there is pressure loss in one or more of
th e tires.
Underinflated tires ma y,forex ample, impair the driving, steering
and braking characteristics. #
Have the tire pressure monitoring sy stem checked at a quali‐
fi ed specialist workshop. #
Visit a qualified specialist workshop.
0077
Ti re pressure monitoring
sy stem warning lamp
lights up The tire pressure monitor
yellow warning lamp (pressure loss/malfunc‐
tion) lights up.
The tire pressure monitor has de tected a tire pressure loss in at lea st
one tire. &
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
R The tires may bur st, especially as the load and vehicle speed
increase.
R The tires may wearexc essively and/or une venly, which may
greatly impair tire traction.
R The driving characteristics, as well as steering and braking, may
be greatly impaired.
Yo u could then lose cont rol of theve hicle. #
Obser vethere commended tire pressu re. #
Adjust the tire pressure if necessar y. #
Stop theve hicle in a safe location. #
Check the tire pressure and the tires. Display messages and
warning and indicator lamps 305
Sound settings .................................
188
Tr ans ferred vehicle data ...................1 88
Animals Pets in theve hicle .............................. 40
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 ........................................ 55
Anti- theft pr otection
see ATA (Anti -Theft Alarm sy stem)
Apple CarPlay™ .................................... 186
Connecting an iPhone ®
............ 186, 187
Ending .............................................. 187
No tes ................................................ 186
Overview .......................................... 186
Sound settings .................................. 187
Tr ans ferred vehicle data ...................1 88
Ashtr ays
In the windshield stowage com‐
partment ............................................ .74
ASR (accele ration skid control) ...........137
Assistance graphic (on-board com‐
puter) ..................................................... 16 6
ASS YST PLUS ........................................ 202
Battery disconnection pe riods ......... 202
Displaying the service due date .......2 02
Fu nction/no tes ................................ 202
Re gular maintenance work ............... 202
Special service requirements .......... .202
ATA (Anti-Theft Alarm sy stem) .............. 56
Ac tivating/deactivating the interior
motion sensor .................................... 57
Fu nction ............................................. 56
Interior motion sensor function .......... 57
St opping the alarm ............................. 56
Switching theto w- aw ay alarm
on/off ................................................ 57
To w- aw ay alarm function .................... 56
At tachments .......................................... .19
AT TENTION ASSI ST....................... 151, 15 2
Fu nction ............................................ 151
Setting .............................................. 15 2
Sy stem limitations ............................1 51
Au thorized workshop
see Qualified specialist workshop Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ........................79
Au tomatic transmission
DIRECT SELECT le ver ........................ 11 5
Engaging drive position ..................... 11 7
Engaging neutral ............................... 11 6
Engaging reve rsege ar ...................... .116
Kickdown .......................................... 11 8
Re stricting the shift range ................. 11 7
Selecting pa rkposition .....................1 16
Tr ansmission position display .......... .115
Tr ansmission positions ...................... 11 5
Au xiliary heating .................................... 99
Fu nction ............................................. 99
Axle load ................................................ 261 B
Back suppo rt
see Lumbar support (4-w ay)
BA S (Brake Assist Sy stem) .................. 137
Battery Charging ........................................... 219
Charging a vehicle battery ................2 19
Disconnecting the auxiliary battery
in the engine compartment .............. 224
Disconnecting thest ar ter battery .... 222
Jump -sta rting (vehicle) ...................... 219
Ke y .................................................... .42
No tes (vehicle) ..................................2 18
Re moving or ins talling thest ar ter
battery .............................................2 23
St arter battery .................................. 221
Battery main switch Notes ................................................ 11 4
Switching the po wer supp lyon/off ... 11 4
Belt see Seat belt
Blind Spot Assi st.................................. 15 2
Ac tivating/deactivating .................... 154
Fu nction ........................................... 15 2
Re ar Cross Traf fic Alert .................... 154
Sy stem limitations ............................1 52
Blue tooth ®
............................................ 180
Ac tivating/deactivating .................... 180
Information .......................................1 80
Bottle holder .......................................... .74
Brake ABS (Anti-lo ckBraking Sy stem) ........ 137
Ac tive Brake Assi st........................... 13 9
BA S (Brake Assi stSystem) ............... 137 Index
307
Buttons .............................................
14 2
Calling up a speed ............................ 14 2
Deactivating .................................... .142
Fu nction ............................................ 141
Re quirements .................................. .142
Selecting .......................................... 14 2
Setting the speed ............................. 14 2
St oring a speed ................................ 14 2
Sy stem limitations ............................1 41
Cus tomer Assi stance Center (C AC)...... 24
Cus tomer Relations Department ..........24 D
Dashboa rd
see Cockpit (o verview)
Dashboa rdlighting
see Instrument lighting
Data recording (vehicle) ........................ 25
Date Setting the time and date automat‐
ically .................................................1 79
Dealership see Qualified specialist workshop
Declaration of conformity Vehicle components which recei ve
and/or transmit radio wav es .............. 22
DEF ................................................ 127, 266
Ad ditive .................................... 127, 266
Displ aying thefill le vel ...................... 12 8
Filling capacity ................................. 267
Pu rity ........................................ 127, 266
Ra nge displ ay................................... 12 8
To pping up ........................................ 12 9
Definitions (ti res and loading) ............24 6
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .........................22
Dial telephone number (on-board
computer) ............................................ .169
Diesel Low outside temp eratures ................2 64
No tes ............................................... 264
Diesel particulate filter
Au tomatic rege neration .................... 11 4
No tes ................................................ 11 4
Digital speedome ter ............................. 167
Dimming the inside rearview mir ror.... 91
DIRECT SELECT le ver............................ 11 5
Engaging drive position ..................... 11 7Engaging neutral ...............................
11 6
Engaging pa rkposition automati‐
cally .................................................. 11 6
Engaging reve rsege ar ...................... .116
Fu nction ............................................ 11 5
Selecting pa rkposition .....................1 16
Direction indicator see Indicator
Display (care) ........................................ 214
Display (multimedia sy stem) .............. .175
Home screen .................................... 174
No tes ................................................ 173
Operating .......................................... 175
Settings ............................................ 17 9
Display (on-boa rdcompu ter) ............... 16 5
Display message .................................. 277
Calling up (on-board co mputer) ........ 277
No tes ................................................ 277
Display messages 00AC .............................................. .286
00B2- - - mph................................... 283
003D 12V Battery See Operator's
Manual .............................................2 87
Ac tive Brake Assi stFunctions Cur‐
re ntly Limited See Ope rator's Man‐
ual .................................................... 280
Ac tive Brake Assi stFunctions Limi‐
te d See Operator's Manual .............. 280
Ac tive Dis tance Assi stCur rently
Un available See Operator's Manual
.......................................................... 283
Ac tive Dis tance Assi stInoperative ... 283
Ac tive Dis tance Assi stNow Availa‐
ble .................................................... 284
Ac tive Lane Keeping Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 284
Ac tive Lane Keeping Assist Cur‐
re ntly Una vailable See Opera tor's
Manual ............................................. 285
Ac tive Lane Keeping Assist Inoper‐
ative .................................................2 85
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 295 310
Index
0075Left Side Cur
tain Airbag Mal‐
function Service Required (e xam‐
ple) .................................................. .277
0049 Malfunction See Operator ’s
Manual ............................................. 296
00CB Maximum Speed Exceeded ..... 283
N Pe rm anently Active Risk of Roll‐
ing Away ........................................... 294
00AF Obtain a New Key.................... 292
00B2 Off.......................................... .283
00D9 Off.......................................... .284
Only Shift to'P' when Vehicle is
St ationary ........................................ .294
0024 Parking Brake Inoperative ........278
0024 Parking Brake See Opera tor's
Manual ............................................. 279
00AF Place theKe y in the Mar ked
Space See Ope rator's Manual .......... 291
0077Please Cor rect Tire Pressure ....291
Ra dar Sensors Dirty See Opera‐
to r's Manual .................................... .280
00E2 Refill Ad ditive Emer gency
Op.: XXX mph See Operator's Man‐
ual ....................................................2 89
00E2 Refill Ad ditive See Operator's
Manual .............................................2 89
00E2 Refill Ad ditive Starts until
Emerg. Op.: XXX See Operator's
Manual ............................................ .289
Re generation not possible ................ 288
009E Replace Air Filter .....................2 85
00AFRe placeKey Bat tery ................. 292
Re versing Not Possible Service
Re quired .......................................... .294
003D See Ope rator's Manual ........... 287
Service Required Do Not Shift
Gears Visit Dealer ............................2 94
Shift to'P' or 'N' toStart Engine ...... 293
SOS NOT READY .............................. 280
0075 SRS Malfunction Service
Re quired .......................................... .278 00CC
Steering Malfunction
Incre ased Ph ysical Ef fort See
Ope rator's Manual ........................... 293
00CC Steering Malfunction Stop
Immediately See Operator's Man‐
ual ....................................................2 93
St ep Not Exte nded See Ope rator's
Manual or step not extended mal‐
function ............................................ 295
003DSt opVehicle Lea veEngine
Ru nning ............................................ 287
003D Stop Vehicle See Operator's
Manual ............................................. 287
0049Switch Off Lights ......................296
0049Switch On Headlamp s.............. 296
Ti re Press. Monitor Cur rently
Un available ...................................... .290
0077Ti rePress. Sen. Missing ........... 290
Ti re Pressure Monitor Inoperative ....291
Ti re Pressure Monitor Inoperative
No Wheel Sensors ............................2 90
To Engage Transmiss. Position R
Fir stDep ress the Brake .................... 293
Tr ansmission Malfunction Stop ........ 294
Ve hicle locating has been activa‐
te d. De tails: see manual or associ‐
ated mobile app. or vehicle locat‐
ing activated – see manual or
mobile app. ...................................... 295
0072Ve hicle Operational Switch
th e Ignition Off Before Exiting ..........294
0077 Warning Tire Malfunction ......... 290
Display range (trip menu) ....................167
Display total di stance (trip menu) ......167
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) .................... 45
Un locking (emer gency key) ................ 45
Door cont rol panel ................................ .14 312
Index