Page 544 of 609
Display messages
Possible causes/consequences and M
MSolutions #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page372).
The 48 V bat tery isch arge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni tor Display messages
Possible causes/consequences and M
MSolutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the
tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. Display messages and
warning/indicator lamps 541
Page 548 of 609
Exhaust
gas af tertre atment Display messages
Possible causes/consequences and M
MSolutions
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen into there ser verange. #
Top up AdBlue ®
immediately (/ page 210).
Ø Top up AdBlue Emergency
op. in XXX km See Owner's
Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been co vered. #
Top up AdBlue ®
immediately (/ page 210).
Ø XX,X l Top up AdBlue
Emerg. op.: max. XXX
km/h Start not poss. in
XXX km *
The low AdBlue ®
leve l will lead tolimited per form ance from the speed displa yed.
Af terth ere maining dis tance displ ayed has been co vered, it will no longer be possible tostart the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page210). Displ
aymessa ges and warning/indicator lamps 545
Page 549 of 609
Display messages
Possible causes/consequences and M
MSolutions
Ø XX,X l Top up AdBlue Igni-
tion ON, wait 60s, or
engine start not possible *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Add at least the amount of AdBlue ®
displ ayed (/ page210). #
Switch on the ignition and waitfor appro ximately 60 seconds. #
Start the engine.
¯
AdBlue system fault See
Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system malfunction
Emergency op. in XXX km
See Owner's Manual *
The AdBlue ®
sy stem is malfunctioning. Performance will be reduced once there maining dis tance displ ayed has
been co vered. #
Consult a qualified specialist workshop immediatel y.546
Displaymessa ges and warning/indicator lamps
Page 550 of 609
Display messages
Possible causes/consequences and M
MSolutions
¯ AdBlue system malfunction
Emerg. op.: max. XXX
km/h Start not poss. in
XXX km *
Po we rre striction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 547
Page 551 of 609
Engine oil
Display messages
Possible causes/consequences and M
MSolutions
5 Add 1 litre engine oil when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil (/ page 351).
No tes on engine oil (/ page 485).
5
Engine oil level Reduce oil
level *T
he engine oil le vel is too high.
* NO
TEEngine dama gecaused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil le velre duced.
5 Engine oil level Stop vehi-
cle Switch engine off *T
he engine oil le vel is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. 548
Displaymessa ges and warning/indicator lamps
Page 552 of 609
Display messages
Possible causes/consequences and M
MSolutions #
Switch off the engine. #
Add 1 l of engine oil (/ page 351). #
Check the engine oil le vel.
No tes on engine oil (/ page 485).
5
Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient oil pressure #
Avoid driving with insuf ficient oil pressure. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 549
Page 553 of 609
Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Driver display Driver display with driver camera
Indicator and
warning lamps:
6 Re
stra int sy stem (/ page 551)
ü Seat belt (/
page 551)
ï Trailer hit ch (/page 552)
Ù Powe rst eering (yellow)
(/ page 552)
Ù Powe rst eering (red) (/ page 552)
Ù Rear-axle steering (yellow)
(/ page 552)
Ù Rear-axle steering (red)
(/ page 552) ÿ
Coolanttemp erature (/ page 555)
; Engine diagnostics (/
page 555)
% Preglow
# Elect
rical fault (/ page 555)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 555)
! Elect
ric pa rking brake (red)
(/ page 558)
! Electric parking brake (yellow)
(/ page 558)
J Brakes (yellow) (/
page 558)
J Brakes (red) (/
page 558)
L Distance warning (/ page 560)
ä AIRMATIC (/ page 560)
! ABS (/
page 562)
÷ ESP®
(/ page 562)
å ESP®
OFF (/ page 562)
H Mercedes me connect
(/page 564)
h Ty
re pressure monitoring sy stem
(/ page 565) 550
Display messages and warning/indicator lamps
Page 554 of 609
T
St
anding lights (/ page152)
L Low beam (
/page 152)
K High beam (/
page154)
#! Tu
rn signal lights (/ page154)
R Re
ar fog light (/ page152) Occupan
t safety Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp *T
he redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning (/ page41). &
WARNING Risk of inju rydue tomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Comply with the messages on the driver displa y. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 551
