Display messages
Possible causes/consequences and M
MSolutions #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
¸
Replace air cleaner *
Ve hicles with diesel engines: the engine air filter is dirty and must be replaced. #
Consult a qualified specialist workshop.
# Stop vehicle See Owner's
Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Switch off the engine. #
Consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. #
Switch off electrical consumers that are not required. 592
Display messages and warning/indicator lamps
Display messages
Possible causes/consequences and M
MSolutions #
Connect a suitable charge r appro vedby Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (→ page516).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
#
See Owner's Manual *T
he battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. #
Consult a qualified specialist workshop.
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (→ page 492).
? *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive 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 593
Instrument display
Wa
rning and indicator lamps:
L Low beam(→
page147)
T St
anding lights (→ page147)
K High beam(→
page149)
#! Tu
rn signal lights(→ page149) R
Re
ar fog light(→ page147)
6 Re
stra int sy stem(→ page618)
ü Seat belt not
fastened(→ page 623)
J Brakes (yellow)(
→page 618)
J Brakes (red)(→
page618)
! Electric parking brake (yell
ow)
( → page 618)
! Electric parking brake (red)
(→
page 618)
! ABS malfunctioning(
→page 618)
÷ ESP®
(→ page 618)
å ESP®
OFF(→ page618)
L Distance warning(→ page 624) Ð
Po
we r-assis tedsteering malfunction‐
ing( →page 624)
à DY
NA MIC BODY CONTROL malfunc‐
tioning
à AIRMATIC malfunctioning
+ Off-road
gear (→ page197)
; Engine diagnosis (→
page 626)
% Preglow
# Electrical
fault (→ page 626)
æ Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 626)
? Coolant
too hot/cold (→ page 626)
h Ty
re pressure monitoring sy stem
(→ page 628)
ï Tr
ailer hit chis not operational or is
swivelling(→ page 624) Display messages and
warning/indicator lamps 617
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 on 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. Display messages and
warning/indicator lamps 627
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 492). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. 628
Display messages and warning/indicator lamps
Overview ............................................. 459
Connectivity Switching transmission of theve hicle
position on/off .................................... 368
Contacts ................................................... 431
Calling up ............................................ 432
Deleting ............................................... 434
Deleting favo urites .............................. 434
Downloading (from mobile phone) ...... 432
Importing ............................................ 433
Importing (o verview) .......................... .433
Information .......................................... 431
Making a call ....................................... 433
Na me form at ...................................... .432
Options ................................................ 433
Saving as a favo urite .......................... .434
Selecting options for suggestions ........ 434
St oring ................................................ 433
Con venience closing ................................. 94
Con venience opening ................................ 93
Coolant (engine) Levelch eck ......................................... 492
No tes .................................................. 558 Cooling
see Climate control
Co pyright ...................................................32
Cornering light ........................................ .151
Co ver
see Side windo ws
Cross Traf fic Alert .................................. .280
Crosswind Assist Function/no tes ................................... 220
Cruise control .......................................... 227
Ac tivating ............................................ 229
Buttons ................................................ 229
Calling up a speed ............................... 229
Deactivating ........................................ 229
Fu nction .............................................. 227
Re quirements ...................................... 229
Selecting ............................................ .229
Setting a speed ................................... 229
St oring a speed ................................... 229
Sy stem limitations ...............................2 27
Cup holder ................................................ 13 8
Re ar .................................................... .125 Switching
the cooling/heating func‐
tion on/off .......................................... 13 8
use (co ckpit) ........................................ 13 8 D
Damage de tection (pa rked vehicle) .......2 12
Dashboa rd
see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 30
Data import/export .................................372
Fu nction/no tes ................................... 372
Importing/exporting ............................ 372
Data storage
Electronic control units ........................ .30
Online services ...................................... 31
Ve hicle .................................................. 30
Date Setting the time and date automati‐
cally ..................................................... 367
Deactivating the alarm (A TA).................. 103 638
Index
Au
xilia rybattery malfunction ...............607
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 580
Blind Spot Assist inope rative ............... 580
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 83
ÂChange key bat teries .................. 605
JCheck brake fluid le vel................ 571
ï Check trailer hit chlock (white
display message) ................................ .609
hChe cktyre(s) ............................... 601
!Clean the fuel filter ...................... 591
ÁCompressor is cooling ................ 586
?Coolant Stop vehicle Switch
engine off ............................................ 591
Cruise contro l and Limiter inope ra‐
tive ...................................................... 588
Cruise control inope rative ................... 588
Cruise control off ................................ 588 Cu
rrently unavailable Camera view
re stricted ............................................. 590
Cu rrently unavailable Radar sensors
dirty .....................................................5 86
!cur rently una vailable See Own‐
er's Manual .......................................... 572
÷ currently una vailable See Own‐
er's Manual .......................................... 567
5Engine oil le vel cannot be
measured ............................................ 591
4Engine oil le velRe duce oil le vel...5 94
4 Engine oil le velSt op vehicle
Switch engine off ................................ 595
4Engine oil pressure Stop Switch
off engine ............................................ 596
Fa ult Drive at max. 80 km/h ...............583
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 75
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 77Fr
ont-passenger airbag enabled See
Owner's Manual ................................... 576
! inope rative See Owner's Man‐
ual ....................................................... 573
÷ inope rative See Owner's Man‐
ual ....................................................... .574
T inope rative See Owner's Man‐
ual ....................................................... 571
G Inoperative .................................. 579
b Intellige nt Light Sy stem inoper‐
ative ..................................................... 61 4
 Key not de tected (white dis‐
pl ay messa ge).....................................6 05
ÂKe y not de tected (red displ ay
messa ge).............................................6 04
bLeft dipped beam (Example) ........614
6 Left windowbag malfunction
Consult workshop (Example) ...............576
Limiter inoperative .............................. 589
Limiter passive .................................... 589 Index
641
Brake
fluid .......................................... .558
Coolant (engine) .................................. 558
Engine oil ............................................ 556
Fu el (diesel) ......................................... 554
No tes .................................................. 552
Wi ndsc reen washer fluid .................... .559
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 24
Declaration of Conformity (electro‐
magnetic compatibility) ........................ .26
Declaration of conformity (ja ck) ............ 26
Declaration of con form ity (TIREFIT kit) .. 27
Declaration of conformity (wireless
ve hicle components) ............................. 26
EQ Boost ............................................... 24
Information ............................................ 24
Operating sy stem
see On-board computer
Outside mir rors ................................ 160, 161
Anti-dazzle mode (automatic) ............... 161
Au tomatic mir rorfo lding function ........ 16 3
Fo lding in/out .................................... .160
Operating the memory function ........... 121
Pa rking position .................................. .162
Setting ................................................. 16 0Overhead control panel
............................12
Owner's Manual Vehicle equipment ................................. 24
Owner's Manual (digital) .......................... 20 P
Pa int code ................................................ 550
Pa intwork (cleaning instructions) .........496
Pa nel heating
Setting .................................................1 17
Pa nic alarm ................................................ 78
Ac tivating/deactivating ......................... 78
Pa noramic roof
Ad justing thero ller sunblind .................. 97
Operating thero ller sunblind ................ .96
Pa noramic sliding sunroof
see Sliding sunroof
Pa rk position
Inserting .............................................. 194
Selecting au tomatical ly....................... 194
Pa rking
see Electric parking brake Pa
rking (navigation service)
Pa ying parking charge s ....................... 422
Showing a parking option on the
map ..................................................... 422
Pa rking (service for navi gation)
No tes ................................................... 421
Selecting parking options .................... 421
Pa rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 262
Ac tivating ............................................ 265
Ad justing warning tones ...................... 267
Deactivating ........................................ 265
Fu nction .............................................. 262
Side impact pr otection ........................ 264
Sy stem limitations ...............................2 62
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .147
Pa rking position
Outside mir rors ................................... 16 2 Index
657