Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
If t
If the ball nec
he ball nec k has been e
k has been e xt
xtended:
ended: initiate a new swivel mo vement (/ page 274).
The ball neck will engage beneath the bumper.
If th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe unloc ked
ball nec k. #
Consult a quali/ed specialist workshop.
Head-up display currently
unavailable See Owner's
Manual *T
he head-up displ ayistemp orarily una vailable. Possible causes:
R malfunctions in the po wer supply
R signal inter fere nce #
Stop in accordance with the tra1c conditions and switch theve hicle o. and on again. #
Ifth e display message still appears, consult a quali/ed specialist workshop.
Head-up display inoperative *The head-up displ ayhas an internal er ror. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
435 435
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you establish the electrical connection tothe trailer, Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 246).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. 456 456
Displ
aymessages and warning/indicator lamps
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you establish the electrical connection tothe trailer, Active Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 249).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
457
457
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Set a higher vehicle le vel (/ page 253).
Depending on the malfunction, theve hicle will be raised.
¢ Lowering *T
hevehicle le vel will lo werfo rth efo llowing reasons:
R You ha veselected a di.erent drive prog ram.
R You ha veexceeded the speed limit.
R You ha vechanged theve hicle le velby pressing the button.
É Vehicle rising *Y
our vehicle is adjusting tothe le velyo u ha veselected.
É Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
É
Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Toadjust theve hicle le vel,yo u must not drive at speeds greater than 60 km/h. #
Toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 30 km/h. Displ
aymessages and warning/indicator lamps
461
461
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
5
Engine oil level cannot be
measured *T
he elect rical connection tothe oil le vel sensor has been inter rupted or the oil le vel sensor is faulty. #
Consult a quali/ed specialis two rkshop. W W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y. Ins
Ins tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown. Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 483)
ü Seat belt (/ page 483)
_ Reduced po wer (/ page 484)
Ú System error (/ page 484)
# Electricalfault (/ page 484)
ï Trailer hitch (/ page 485)
Ù Powe r steering (/ page 485)
ÿ Coolanttemp erature (/ page 487)
; Engine diagnostics (/ page 487)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 487) Display message
s andwarning/indicator lamps
481
481
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Consult a quali/ed specialist workshop. #
Notethe messages on the instrument displa y.
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational or is swivelling. &
W
WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedu reand do not re-couple the trailer until the display message disappears. #
Notethe messages on the instrument displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position. 486
486
Display messages and
warning/indicator lamps
Apps
Apps
Mercedes me calls................................. 320
Mercedes me connect........................... 323
Assist
Assist ance syst ance syst ems
ems...................................... 218
ASS YS
ASS YST PL
T PL US
US
Battery disconnection periods................ 341
Service inter val display.......................... 340
Service requ irements............................. 340
ATA
ATA , Anti-theT pr otection
Deactivating the alar m........................... 103
Fu nction................................................ 103
Interior pr otection.................................. 105
To w- awa y protection...................... 103, 104
A
A TTENTION ASSIST
TTENTION ASSIST
Function................................................ 224
Setting.................................................. .226
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop ...................................... 38
A
A ut
ut omatic car w
omatic car w ash
ash...................................... 348
A
A ut
ut omatic car w
omatic car w ash mode
ash mode............................ 348
A
A ut
ut omatic climat
omatic climat e contr
e control
ol............................ 155
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol,Ac tive Dis-
ta nce Assist DISTRONIC, DISTRONIC.......... .229
A
A ut
ut omatic dr
omatic dr iving lights
iving lights................................ 138 A
A
ut
ut omatic emerg
omatic emerg ency call
ency call, Mercedes-
Benz emer gency call system......................... 329
A
A ut
ut omatic engine st
omatic engine st ar
art/st
t/st op
op
ECO start/stop function........................ 178
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.,
PA SSENGER AIR BAG status display
Fu nction.................................................. 55
PA SSENGER AIR BAG indicator la mps...... 56
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function ................. 152
A
A ut
ut omatic seat adjus
omatic seat adjustment tment........................... 113
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
Changing gear........................................ 189
DIRECT SELECT le ver............................. 189
Drive prog rams...................................... 186
DY NAMIC SELECT switch....................... 186
Engaging drive position.......................... 191
Kickd own.............................................. .192
Manual shiTing...................................... 191
St eering wheel gearshiT paddles............ 191
Tr ansmission position displ ay................. 189
Tr ansmission position s........................... 189
A A ut
ut onomous br
onomous br aking
aking.................................... 240
Axle load
Axle load Trailer operatio n.................................... .412 B
B
Bad w
Bad w eat
eather light
her light ......................................... 141
Ball neck
Ball neck Extending/r etra cting............................. .274
Extending/r etra cting (MBUX multime-
dia system)............................................ 276
Tr ailer coupling...................................... 277
B
B AS AS, Brake Assist System............................. 220
Batt
Batt er
ery (12 V batt
y (12 V batt er
ery)
y)
Charging................................................ 367
No tes..................................................... 363
Re placing.............................................. .368
St arting assis tance............................... .365
Batt Batt er
er y (high-v
y (high-v olt
oltag
age on-boar
e on-boar d electr
d electrical
ical
syst
syst em)
em)........................................................ 409
Batt
Batt er
ery (ke
y (ke y)
y).................................................. 83
Batt
Batt er
ery (r
y (r emot
emot e contr
e contr ol)
ol)............................... 163
Batt
Batt er
ery (st
y (st art
arter batt
er batt er
ery)
y)
Charging via Remo teOnline................... 172
Belt
Belt ................................................................ 47
Bicy
Bicy cle r
cle r ack
ack
Load capacity........................................ 411 500
500
Index
Displa
Displa
y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 288
Displa
Displa y message
y message
Calling up in the on-board computer.......4 13
Displa
Displa y messag
y messag es
es
ç - - - km/h..................................... 451
È - - - km/h..................................... 450
h - - - km/h..................................... 450
# 12 V battery See Owner's Man-
ual......................................................... 467
Û 48 V battery See Owner's Man-
ual......................................................... 469
ò Acoustic presence indicator
inoperative............................................ .427
: Active Light System inoperative..... 421
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 477
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 477 ¯
AdBlue system fault Engine
start not possible................................... 478
¯ AdBlue system fault See Own-
er's Manual............................................ 477
5 Add 1 litre engine oil when next
re fuelling ............................................... 479
é ATTENTION ASSIST inoperati ve..... 449
é ATTENTION ASSIS T:Take a
break!.................................................... 449
: Automatic driving lights inoper-
ative...................................................... 421
Û Battery overheated Stop, every-
body out! Outdoors if possible ........ 429, 469
Á Change key batteries .................... 418
è Charger cable connected .............. 427
J Check brake 0uid le vel.................. 448
5 Check eng. oil le v.when next
re fuelling ............................................... 478
ï Check trailer hitch lo ck(white
display message) .................................... 434 h
Check tyre(s) ................................ 472
! Clean the fuel /lter....................... 441
ÿ Coolant Stop vehicle Switch
engine o............................................... 440
! currently una vailable See Own-
er's Manual............................................4 62
÷ currently una vailable See Own-
er's Manual............................................4 63
5 Engine oil le vel cannot be meas-
ured....................................................... 481
5 Engine oil le velRe duce oil le vel..... 479
5 Engine oil le velSt op vehicle
Switch engine o.................................... 479
5 Engine oil pressure Stop Switch
o. engine.............................................. 480
ä Fault Drive at max. 80 km/h ......... 460
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 15
& inoperative Battery low................. 424
& inoperative Char geHV battery...... 425 Ind
ex
505 505