Display messages
Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 465
Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting (widescreen cockpit) If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the position
of the indicator lamps in the instrument display
ch anges.
Wa rning and indicator lamps:
L Dipped beam (→
page123)
T St
anding lights (→ page123)
K Main beam (→
page125)
#! Tu
rn signal light (→ page125)
R Re
ar fog light (→ page123) ü
Seat belt is not
fastened
(→ page 501)
J Brakes (red) (→
page 495)
! ABS malfunction (→
page 495)
÷ ESP®
(→ page 495)
å ESP®
OFF (→ page 495)
! Elect
ric pa rking brake(→ page 495)
Ð St
eering assis tance malfunction
(→ page 503)
# Electrical
fault (→ page 505)
6 Re
stra int sy stem (→ page 495)
; Engine diagnosis (→
page 505)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (→ page 505)
? Coolant
too hot/cold (→ page 505)
· Dis
tance warning (→ page 502)
% Preglow
h Ty
re pressure monitoring sy stem
(→ page 508)
j Tr
ailer hit chis not operational or is
swivelling (→ page 503)494
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. 506
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Otherwise: #
Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down. #
Check the coolant le vel . #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 507
COMAND
Touch App
see COMAND Touch
Combination swit ch
see Turn signal light
Compass .................................................. 306
Computer .................................................2 46
Connection status
Displ ays ............................................... 333
Overview ............................................. 333
Contacts ................................................... 312
Calling up ............................................ .312
Del eting .............................................. .314
Downloading (from mobile phone) ....... 312
Importing ............................................. 313
Information .......................................... 312
Making a call ........................................3 13
Na me form at ........................................ 313
Options ................................................ 313
Saving .................................................. 313
Controller Operating ............................................ 270
Con venience closing ................................. 81
Con venience opening ................................ 80 Coolant (engine)
Levelch eck ......................................... 369
No tes .................................................. 432
Cooling see Climate control
Co pyright ...................................................28
Cornering light function ..........................127
Co ver.......................................................... 78
Cross Traf fic Alert .................................. .227
Crosswind Assist Function/no tes ................................... 184
Cruise control .......................................... 19 0
Ac tivating ............................................ .191
Calling up a speed .............................. .191
Deactivating ......................................... 191
Fu nction .............................................. 19 0
Le ver ................................................... .191
Re quirements ...................................... 191
Selecting .............................................. 191
Setting a speed .................................... 191
St oring a speed .................................... 191
Sy stem limits ....................................... 19 0Cup holder
see Cup holde rs
Cup holders .............................................. 11 5
Fitting/removing (centre console) ....... 11 5
Re ar .................................................... .116 D
Dashboa rd
see Cockpit
Dashboard lighting ..................................2 48
Data acquisition Vehicle ................................................... 27
Data import/export Function/no tes ................................... 281
Importing/exporting ............................2 81
PIN pr otection for data export .............2 82
Data roaming
Ac tivating/deactivating (telephone
module) ............................................... 324
Declaration of Conformity Electromagnetic compatibility ............... 24
Jack ...................................................... .24
TIREFIT kit ............................................. 25 Index
517
Ac
tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 458
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........457
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 457
bAc tive Light Sy stem inoperative .. 491
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 493
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .493
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .492
4Ad d 1 litre engine oil when next
re fuelling ............................................. 469
Air conditioning Malfunction See
Owner's Manual .................................. 485 Apply brake
todeselect Park (P)
position ...............................................4 81
À ATTENTION ASSIST inoperative ... 454
ÀAT TENTION ASSIS T:Take a
break! .................................................. 454
bAU TOlights inope rative ............... 492
Au xilia rybattery malfunction .............. 484
_Before starting the engine, turn
th esteering wheel. .............................. 485
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 459
Blind Spot Assist inope rative ............... 459
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 62
Brake immediate ly............................... 447
 Changekey bat teries ...................4 78
Ø Check AdBlue See Owne r’s
Manual ................................................ 470
J Check brake fluid le vel................ 4474
Check eng. oil le v.when next
re fuelling ............................................. 467
jChe cktrailer hitch lo ck............... 481
hCheck tyre(s) ............................... 474
! Clean the fuel filter ...................... 472
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .484
É Compressor is cooling .................457
? Coolant Stop vehicle Switch
engine off ............................................ 465
Cruise contro l and Limiter inope ra‐
tive ....................................................... 461
Cruise control inope rative ................... 463
Cruise control off ................................. 461
!cu rrently unavailable See Own‐
er's Manual ........................................ .438
÷cur rently una vailable See Own‐
er's Manual ........................................ .440
Depress clutch ful lyto start engine .....4 84
Dis tance Pilot available again .............. 460 Index
519
Pa
rking Pilot Manoeuvring assis‐
ta nce limited See Owner's Manual ...... 463
ÂPlace theke y in the mar ked
space See Owner's Manual .................479
É Please reduce speed ...................4 56
PRE-SAFE impulse side inope rative
See Owner's Manual ...........................449
PRE-SAFE inoperative See Owner's
Manual ................................................ 448
Ra dar sensors dirty See Owner's
Manual ................................................ 449
h Rectify tyre pressure ....................474
Ø Refill Ad Blue Eng. start not pos‐
sible .................................................... .470
ØRe fill Ad Blue No start in XXX mi ..472
Ø Refill Ad Blue See Owne r’s Man‐
ual .......................................................4 70
!Re lease parking brake .................443
¸Re place air cleaner ......................471,
Replace key See Owner's Man‐
ual ...................................................... .478
 Replace key ................................ .477
8 Reser vefuel le vel........................ 471
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 450
Re versing not poss. Consult work‐
shop ....................................................4 83
Risk of vehicle rolling Driver door
open and transmission not in P ...........482
#See Owner's Manual ................... 466
Speed limit (winter tyres) XXX mph..... 462
#St art engine See Owner's Man‐
ual ...................................................... .472
Ð Steering malfunction Drive
carefully Visit workshop ......................4 86
ÐSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 487
ÐSt eering malfunction See Own‐
er's Manual ......................................... 485 ÐSt
eering malfunction Stop
immediately See Owner's Manual .......487
St eering Pilot cur rently una vailable
See Owner's Manual ............................ 461
St eering Pilot inoperative ..................... 461
St op vehicle Lea veengine running
Wa itTransmission cooling ...................483
#St opvehicle Lea veengine run‐
ning ..................................................... 467
#St opvehicle See Owner's Man‐
ual .......................................................4 66
ÉSt opvehicle Vehicle too low ........ 456
bSwitch off lights .......................... 492
bSwitch on headlamps .................. 492
To shift out of P or N,depress brake
and start engine .................................. 482
To p up coolant See Owner ’sManual ... 464
¥To p upwasher fluid .................... .490
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 458 Index
521
Te
lephone menu .................................. 253
Tr ip menu ............................................ 24 9
On-board computer see Computer
see Operating sy stem
On-board diagnostics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .421
No tes ................................................... 421
Tw o-w ayradios .................................... 421
On-board electronics see Elect ronics
see Tech nical da ta
Opening the boot lid using your foot ....... 76
Operating fluids
Ad Blue ®
............................................... 429
Ad ditives (fuel) .................................... 427
Brake fluid .......................................... .431
Coolant (engine) .................................. 432
Engine oil ............................................ 430
Fu el (diesel) ......................................... 428
Fu el (petrol) ......................................... 426
No tes .................................................. 425 Wi
ndsc reen washer fluid .................... .433
Operating saf ety
Declaration of Conformity (electro‐
magnetic compatibility) ......................... 24
Declaration of conformity (ja ck) ............ 24
Declaration of conformity (TIREFIT kit) .. 25
Declaration of conformity (wireless
ve hicle components) ............................. 24
Information ............................................ 23
Operating sy stem .................................... 24 6
Outside mir rors ............................... 137, 13 8
Anti-dazzle mode (automatic) .............. 13 8
Au tomatic mir rorfo lding function ........ 13 9
Fo lding in/out .................................... .137
Pa rking position .................................. .138
Setting ................................................. 137
Using the memory function ................. 104
Overhead control panel ............................14
Making calls (Mercedes me connect) .. 317
Owner's Manual Vehicle equipment ................................. 23
Owner's Manual (digital) .......................... 20 P
Pa int (cleaning instructions) ..................373
Pa int code ................................................ 423
Pa nel heating
Setting .................................................1 00
Pa nic alarm ................................................ 65
Ac tivating/deactivating ......................... 65
Pa norama sliding sunroof
see Sliding sunroof
Pa rk position
Selecting ............................................. 16 4
Selecting au tomatical ly....................... 16 4
Pa rking ...................................................... 176
Pa rking aid
see Parking Assist PARKTRONIC
see Remo teParking Pilot
Pa rking Assist PARKTRONIC .................. 208
Ac tivating ............................................ .210
Ad justing warning tones ....................... 211
Fu nction .............................................. 208
Side impact pr otection ........................ 209
Switching off ........................................2 10534
Index