
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

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

DO
T,Tire Identification Number
(TIN) ....................................................... 24 4
Drinking and driving ............................105
Drive Away Assist .................................1 54
Driver's seat see Seats
Driving characteristics (unusual) ....... 232
Driving instructions Foreign trip (information) .................. 107
Driving light see Automatic driving lights
Driving no tes
Tr ansport byrail .............................. .108
Driving Saf ety Sy stem
ABS (Anti-lock Braking Sy stem) ........ 137
ASR (acceleration skid control) ........ 137
BA S (Brake Assi stSystem) ............... 137
EBD (electronic brake forc e distri‐
bution) ..............................................1 39
ESP ®
Crosswind Assist ..................... 13 8
ESP ®
trailer stabilization .................. 13 9
Overview .......................................... 137
Ra dar sensors .................................. 13 6
Re sponsibility ................................... 13 6
Driving saf ety sy stem
see Active Brake Assi st
see ESP ®
(Electronic Stability Prog ram)
Driving sy stem
see 360° Camera
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
see Parking Assist PARKTRONIC
see Rear view camera
Driving tips Brake subject toload ...................... .108
Braking ............................................. 108
Breaking-in no tes ............................. 105
Downhill gradient ............................. 108
Drinking and driving ........................ .105
Driving abroad (symmetrical low
beam) ................................................. 79
Driving in winter ................................ 11 0
Driving off-road ................................. 11 0
Driving on flooded roads .................. 109
Driving on wetro ads ........................ 109
Gene ral driving tips .......................... 105Hyd
roplaning .................................... 109
New brake discs and brake pads/
linings ............................................... 108
Pa rking brake .................................. .108
We tro ad sur faces ............................ 108
Dr ow siness de tection
see ATTENTION ASSIST
DSR (Downhill Speed Regulation)
Ac tivating/deactivating .................... 12 0
No tes ................................................ 12 0
Dual-zone au tomatic climate con‐
trol (control panel) ................................. 94 E
E10 ........................................................ 264
EBD (electronic brake forc e distri‐
bution) .................................................. .139
ECO display Function ............................................ 11 3
Re setting .......................................... 16 8
Electric pa rking brake .......................... 13 4
App lying automatically .................... .134
Applying or releasing manually ........ .135
Emer gency braking .......................... .136
No tes ................................................ 13 4
Re leasing automatically .................... 13 5
Electric sliding door Function ............................................. 46
Opening wi thbutton ...........................47
Opening with the door handle ............ 48
Opening/closing with theke y ............ 48
Prog ramming theke y ........................ .48
Re setting ............................................ 49
Un locking manually ............................ 49
Electrical closing assist Notes .................................................46
Electrical consum ption
Ke y .................................................... .42
Electrical fuses see Fuses
Electrical step
Emer gency release ............................ .52
Extending/r etra cting .......................... 52
Fu nction ............................................. 52
Obs tacle ............................................. 52
Pr eve nting extending ......................... .52
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................ 260 Index
313

Emer
gency
Assis tance overview .......................... .16
Fir st-aid kit (so ftsided) ..................... 216
Saf etyve st ........................................ 216
Wa rning lamp .................................... 216
Emer gency braking
Elect ric pa rking brake ...................... .136
Manual parking brake ....................... 13 4
Emer gency call sy stem
Au tomatic emergency call ............... .217
Information ....................................... 216
Manual emer gency call ..................... 217
Overview ...........................................2 16
Emer gency engine start ..................... .228
Emer gency operation mode
St arting theve hicle .......................... 104
Emer gency Tensioning Devices
Ac tivation ........................................... 29
En gaging drive position (automatic
transmission) ........................................ 11 7
Engaging neut ral (automatic trans‐
mission) ................................................ .116
Engaging reve rsege ar .......................... 11 6
Engaging/disengaging LOW RANGE ...11 9
Engine Engine number ................................ .261
Jump-s tarting .................................... 219
Pa rking (s tart/s top button) .............. 13 2
Problems .......................................... 127
St arting (in emer gency operation
mode) ............................................... 104
St arting (s tart/s top button) .............1 04
Engine data Showing ............................................ 181
Engine electronics (no tes) ...................2 60
Engine number ...................................... 261
Engine oil .............................................. 205
Ad ditive ............................................ 267
Checking the oil le vel (on-board
computer) ........................................ 205
Checking the oil le vel with a dip‐
st ick ................................................ .204
Filling capacity ................................. 268
To pping up .......................................2 05
Engine output Notes on changes .............................. .23
ENR (electronic le vel control) ..............121
Fu nction ............................................ 121
Lo we ring theve hicle .........................1 23
Manually inflating air bello ws............ 124 Problems ..........................................
12 5
Ra ising theve hicle ............................1 23
Entering characters
Fu nction/no tes ................................ 178
Setting theke yboard ........................ 17 9
Using the media display ...................1 79
Environmental pr otection
No tes .................................................. 18
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist .............................. 13 8
Tr ailer stabilization .......................... .139
ESP ®
(Electronic Stability Prog ram) ...13 8
Ac tivating/deactivating .................... 13 8
Fu nction/no tes ................................ 13 8
Exhaust emission moni toring .............1 07
Exterior lighting Care .................................................. 212
Exterior lighting see Lights F
Fa tigue de tection
see ATTENTION ASSIST
Favo rites
Ad ding .............................................. 17 7
Calling up ........................................ .177
Del eting ............................................ 178
Moving ..............................................1 78
Overview .......................................... 17 7
Re naming ......................................... 178
Firs t-aid kit (soft sided) ........................216
Flat tire .................................................. 218
Changing a wheel ............................ .251
No tes ................................................ 218
Floor co vering
Ins talling/ removing (s tarter bat‐
te ry ) .................................................. 221
Floor mat .................................................78
Fore ign trip
Instructions ...................................... 107
symmetrical low beam ....................... 79
Fr ee software ........................................ .27
Fr equencies
Mobile phone .................................. .260
Tw o-w ayradio .................................. 260
Fr ont airbag (driver, front passenger) .. 32314
Index