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
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
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
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 emergency ope ration mode. #
Have theve hicle checked as soon as possible at a qualified spe‐
cialist 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 ti repressure monitoring sy stem is malfunctioning. &
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.
Un derinflated 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 pres‐
sure
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. Displ
aymessa ges and warning and indicator lamps 385
Downloading (from mobile phone) ....
247
Importing ..........................................2 48
Importing (o verview) ........................ .247
Information ....................................... 247
Making a call .................................... 24 8
Na me form at .................................... 247
Options ............................................. 24 8
Saving as a favo rite .......................... 24 8
Selecting options for suggestions ..... 24 8
St oring ..............................................2 48
Conv enience closing .............................. 60
Con venience opening ............................. 60
Con versions ............................................ 22
Coolant Filling capacities .............................. .347
Coolant (engine) Checking le vel .................................. 282
No tes ................................................ 347
Copyright License ............................................... 30
Tr ademar ks........................................ 30
Co rnering light ...................................... .85
Crosswind Assist Function/no tes ................................ 14 8
Cruise control ...................................... .151
Ac tivating .......................................... 151
Buttons ............................................. 151
Calling up a speed ............................ 151
Deactivating ...................................... 151
Fu nction ............................................ 151
Re quirements .................................. .151
Selecting ........................................... 151
Setting the speed .............................. 151
St oring a speed ................................. 151
Sy stem limitations ............................1 51
Cus tomer Assi stance Center (C AC)...... 27
Cus tomer Relations Department ..........27 D
Dashboa rd
see Cockpit (o verview)
Dashboa rdlighting
see Instrument lighting
Data import/export ..............................213
Fu nction/no tes ................................. 213
Importing/exporting .........................2 13
Data recording (vehicle) ........................ 28
Date Setting the time and date automat‐
ically .................................................2 10Deale
rship
see Qualified speciali stwo rkshop
DEF ................................................ 136, 343
Ad ditive .................................... 136, 343
Displ aying thefill le vel ...................... 137
Filling capacity ................................. 344
Pu rity ........................................ 136, 343
Re filling ............................................ 137
Definitions (ti res and loading) ............ 323
Destination ...........................................2 32
Editing intermediate destinations ..... 225
Editing the pr evious destinations .... .232
External ............................................ 233
Quic k-access todestination infor‐
mation .............................................. 230
Saving (cur rent vehicle position) ...... 232
Destination entry ..................................2 17
Entering 3 wordaddresses .............. .221
Entering a POI or address ................. 217
Entering an intermedia tedestina‐
tion ...................................................2 25
Entering geo-coordinates .................. 221
No tes ................................................ 217
Selecting a contact ........................... 221
Selecting a POI ................................. 219
Selecting from global favo rite s ......... 222
Selecting from the map .................... 221
Selecting pr evious destinations ........ 219
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection .........................25
Dial telephone number (on-board
computer) ............................................ .182
Diesel Low outside temp eratures ................3 41
No tes ................................................ 341
Diesel particulate filter
Au tomatic rege neration .................... 12 0
Displ aying load ................................ .120
No tes ................................................ 12 0
Digital Operator's Manual .....................20
Digital speedome ter ............................. 17 9
Dimming the inside rearview mir ror.... 98
DIRECT SELECT le ver............................ 12 2
Engaging drive position .................... 12 3
Engaging neutral ............................... 12 2
Engaging pa rkposition automati‐
cally .................................................. 12 3
Engaging reve rsege ar ...................... 12 2
Fu nction ........................................... 12 2
Selecting pa rkposition .....................1 23 Index
391
Direction indicator
see Indicator
Display (care) ........................................ 290
Display (MBUX multimedia sy stem)
Settings ............................................ 209
Display (multimedia sy stem) .............. 200
Home screen .................................... 19 9
No tes ................................................ 19 8
Operating ......................................... 200
Setting acoustic operating feed‐
back .................................................2 00
Display (on-board comp uter)............... 17 7
Display message .................................. 355
Calling up (on-board co mputer) ........ 355
No tes ............................................... 355
Display messages 00AC ............................................... 364
00B2 - - -mph................................... 361
003D 12V Battery See Operator's
Manual .............................................3 66
0099 Additive Sy stem Fault Emer‐
ge ncy Op.: XXX mph See Opera‐
to r's Manual .................................... .369
0099 Additive Sy stem Fault See
Operator's Manual ...........................368
0099 Additive Sy stem Fault Starts
until Emerg. Op.: XXX See Opera‐
to r's Manual .................................... .368
Û ATTENTION ASSIST Inopera‐
tive ................................................... 364
Û ATTENTION ASSIS T:Take a
Break! ............................................... 364
0049 AutoLamp Function Inopera‐
tive .................................................. .375
004D Check Brake Fluid Le vel.......... 358
00AC Check Coolant Le vel See
Opera tor's Manual ............................ 367
00B2 Check Engine Oil AtNext
Re fueling .......................................... 366
00B2 CheckEngine Oil Le vel (Add
1 Liter) ............................................ .365
003A CheckFuel Filter ..................... 364
0049 Check Left Low Beam (e xam‐
ple) .................................................. .376
0077 Check Tire s ............................. 37000B2
Check Washer Fluid ................. 371
00AC Coolant Too Hot Stop Vehicle
Tu rn Engine Off ................................ 366
00CE Currently Un available Cam‐
era Dirty .......................................... .362
0025 Currently Un available See
Operator's Manual ...........................360
00E5 Currently Un available See
Operator's Manual ...........................360
00AF Don't Forget Your Key............ .370
00B3 Engine Oil Le vel Cann otBe
Measured ......................................... 365
00B2 Engine Oil Le vel Low Stop
Ve hicle Turn Engine Off .................... 365
00B2 Engine Oil Pressure Stop
Switch Off Engine ............................. 365
00B2 Engine Oil Reduce Oil Le vel.... .3 65
0075 Front Left Malfunction
Service Required (e xample).............. 356
00D4 Fuel Le vel Low ........................ 364
0024 Incline TooSt eep See Opera‐
to r's Manual ..................................... 357
003B Inoperative Battery Low ..........372
003B Inoperative Refuel Vehicle .......3 72
0025 Inoperative See Operator's
Manual .............................................3 60
00E5 Inoperative See Operator's
Manual ............................................. 359
007A Inoperative See Operator's
Manual ............................................. 359
003B Inoperative See Operator ’s
Manual ............................................. 372
00AF KeyNot De tected (red dis‐
pl ay messa ge)...................................3 71
00AF KeyNot De tected (white dis‐
pl ay messa ge)...................................3 71
0075 Left Side Cur tain Airbag Mal‐
function Service Required (e xam‐
ple) .................................................. .356
0049 Malfunction See Operator ’s
Manual ............................................. 375
ð Maximum Speed Exceeded ..... 361
00AF Obtain a New Key.................... 371 392
Index
00B2
Off...........................................3 61
00D9 Off...........................................3 62
0024 Parking Brake Inoperative .......3 57
0024 Parking Brake See Opera tor's
Manual ............................................. 357
00AF Place theKe y in the Mar ked
Space See Ope rator's Manual ..........370
0077 Please Cor rect Tire Pressure ...370
00E2 Refill Ad ditive Emer gency
Op.: XXX mph See Operator's Man‐
ual ....................................................3 68
00E2 Refill Ad ditive See Operator's
Manual .............................................3 68
00E2 Refill Ad ditive Starts until
Emerg. Op.: XXX See Operator's
Manual ............................................ .368
009E Replace Air Filter .....................3 64
00AF Replace Key Bat tery ................ 371
003D See Ope rator's Manual ........... 366
0075 SRS Malfunction Service
Re quired .......................................... .356
00CC Steering Malfunction
Incre ased Ph ysical Ef fort See
Ope rator's Manual ............................ 372
00CC Steering Malfunction Stop
Immediately See Operator's Man‐
ual ....................................................3 72
g Step Not Exte nded See Oper‐
ator's Manual or Step Not Exte n‐
ded Malfunction ................................ 374
003D Stop Vehicle Lea veEngine
Ru nning ............................................ 366
003D Stop Vehicle See Operator's
Manual ............................................. 366
0049 Switch Off Lights .....................375
0049 Switch On Headlamps .............375
0077 Tire Press. Sen. Missing ..........369
0072 Vehicle Operational Switch
th e Ignition Off Before Exiting ...........373
x Vehicle Trac ker has been
activated. De tails: see manual or
associated mobile app. or Vehi‐ cle locating activated – see manual
or mobile app. ..................................3 74
0077 Warning Tire Malfunction ........ 369
Ac tive Brake Assi stFunctions Cur‐
re ntly Limited See Ope rator's Man‐
ual .................................................... 358
Ac tive Brake Assi stFunctions Limi‐
te d See Operator's Manual .............. 358
Ac tive Dis tance Assi stCur rently
Un available See Operator's Manual
.......................................................... 361
Ac tive Dis tance Assi stInoperative .... 361
Ac tive Dis tance Assi stNow Availa‐
ble .................................................... 362
Ac tive Lane Keeping Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 363
Ac tive Lane Keeping Assist Cur‐
re ntly Una vailable See Opera tor's
Manual ............................................. 364
Ac tive Lane Keeping Assist Inoper‐
ative .................................................3 64
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 375
Ad aptive Highbeam Assist Cur‐
re ntly Una vailable See Opera tor's
Manual ............................................. 375
Ad aptive Highbeam Assist Inopera‐
tive .................................................. .375
Air Conditioning Malfunction See
Ope rator's Manual ............................ 373
App lyBrake toShift from 'P' .............374
Au xilia ryBattery Malfunction ...........373
Blind Spot Assi stCur rently
Un available See Operator's Manual
.......................................................... 363
Blind Spot Assist Inoperative ............ 363
Blind Spot Assist Trailer NotMoni‐
to re d ................................................ 363
Check Brake Pads See Operator's
Manual .............................................3 58
Cruise Control Inoperative ................ 361 Index
393
see
Parking Assist PARKTRONIC
see Rear view camera
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical low
beam) ................................................ .84
Driving in winter ................................ 11 5
Driving off-road ................................. 11 6
Driving on flooded roads .................. .115
Driving on wetro ads ........................ .115
Hyd roplaning .................................... 11 5
Dr ow siness de tection
see ATTENTION ASSIST
DSR (Downhill Speed Regulation)
Ac tivating/deactivating .................... 127
No tes ................................................ 12 6
Dual-zone au tomatic climate con‐
trol (control panel) ............................... 100
DY NA MIC SELECT
Displaying vehicle data ..................... 215E
E10 ........................................................ .341
EBD (electronic brake forc e distri‐
bution) .................................................. .148
ECO display Function ............................................ 11 9
Re setting .......................................... 180
Electric pa rking brake .......................... 14 3
App lying automatically .................... .143
Applying or releasing manually ........ .144
Emergency braking ........................... 14 4
No tes ................................................ 14 2
Re leasing automatically .................... 14 3
Electric sliding door Function ............................................. 52
Opening wi thbutton ...........................52
Opening with the door handle ............ 54
Opening/closing with theke y ............ 54
Programming theke y ........................ .54
Re setting ............................................ 55
Un locking manually ............................ 54
Electrical closing assi st
No tes .................................................52
Electrical consum ption
Ke y .................................................... .47
Electrical fuses see Fuses
Electrical step
Emer gency release ............................ .58
Extending/r etra cting .......................... 57Fu
nction ............................................. 57
Obs tacle ............................................. 57
Pr eve nting extending ......................... .57
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................ 337
Emer gency
Assis tance overview .......................... .18
Fir st-aid kit (so ftsided) .................... 292
Saf etyve st ....................................... 292
Wa rning lamp .................................. .292
Emer gency braking
Elect ric pa rking brake ...................... .144
Manual parking brake ....................... 14 2
Emer gency call sy stem
Au tomatic emergency call ............... .293
Information ...................................... 292
Manual emer gency call .................... 293
Overview .......................................... 292
Tr ans ferred data ...............................2 93
Emer gency engine start ..................... .304
Emer gency operation mode
St arting theve hicle ........................... 11 0
Emer gency Tensioning Devices
Ac tivation ........................................... 32
En gaging drive position (automatic
transmission) ........................................ 12 3
Engaging neut ral (automatic trans‐
mission) ................................................ .122
Engaging reve rsege ar ......................... 12 2
Engaging/disengaging LOW RANGE ...12 6
Engine Engine number ................................ .338
Pa rking (s tart/s top button) .............. 14 0
Problems .......................................... 13 5
St arting (in emer gency operation
mode) ............................................... 11 0
St arting (s tart/s top button) .............. 11 0
St arting assis tance .......................... 295
Engine data Showing ............................................ 216
Engine electronics (no tes) ...................3 37
Engine number .................................... .338
Engine oil .............................................. 281
Ad ditive ............................................ 344
Checking the oil le vel (on-board
computer) ........................................ .281
Checking the oil le vel with a dip‐
st ick ................................................ .280
Filling capacity ................................. 345 Index
395