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
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