Page 458 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions
Device detected at diagnos-
tics connection See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page31). #
Consult a qualified specialist workshop. Battery
Display messages
Possible causes/consequences and 0050 0050Solutions
003D 12 V battery See Owner's
Manual *T
he engine is off and thech arge leve l is too lo w. #
Switch off electrical consumers that are not required.
To charge the12 V battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
*I fth e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. #
Consult a qualified specialist workshop.
003D See Owner's Manual *T
he12 V battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. Display messages and
warning/indicator lamps 455
Page 459 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. #
Consult a qualified specialist workshop.
003D Stop vehicle See Owner's
Manual *T
he12 V battery is no longer being charge d and thech arge 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. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop.
003D Stop vehicle Leave engine
running *T
he12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a qualified specialist workshop. 456
Display messages and warning/indicator lamps
Page 460 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions
00D7 48 V battery See Owner's
Manual *T
he 48 V on-board electrical sy stem has function restrictions. Comfort functions may be restricted. #
Consult a qualified specialist workshop immediatel y.
00D9
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. #
Start theve hicle. #
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hestate of charge ofthe 48 V battery is too lo w.You can no lon gerst art theve hicle. #
Switch off electrical consumers that are not required. Display messages and
warning/indicator lamps 457
Page 461 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
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 (/ page 361).
The 48 V battery is charge 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 theve hicle and drive for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni torDisplay messages
Possible causes/consequences and 0050 0050Solutions
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. 458
Display messages and warning/indicator lamps
Page 462 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. Tyre press. monitor inoper-
ative No wheel sensors
*T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
0077
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
0077 Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.
The wheel position is displa yed. A warning tone also sounds. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can burs t.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. Displ
aymessa ges and warning/indicator lamps 459
Page 463 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page371) and the tyres.
0077
Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fere nce in tyre pressure between the individual
wheels is too great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem (/ page374).
0077
War ning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position will be displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
R The tyres can overheat and be damaged.
R The driving characteristics as well as thesteering and braking characteristics may be great lyimpaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Do not exceed the maximum permissible driving dis tance in emergency mode and the maximum permissi‐
ble speed with a flat MOExtended tyre. #
Obse rveth e no tes on flat tyres. No
tes in theeve nt of a flat tyre (/ page 351). #
Stop theve hicle in accordance with the tra ffic conditions. 460
Display messages and warning/indicator lamps
Page 464 of 525
Display messages
Possible causes/consequences and 0050 0050Solutions #
Check the tyres.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are display ed inred. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres can bur st. #
Reduce speed so that the tyres cool down. Reduce speed
*A
t least one tyre is overheating. The af fected tyres are display ed inred. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres can bur st. #
Reduce speed so that the tyres cool down. Display messages and
warning/indicator lamps 461
Page 465 of 525
Exhaust
gas af tertre atment Display messages
Possible causes/consequences and 0050 0050Solutions
00C8 Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen into there ser verange. #
Top up AdBlue ®
immediately (/ page 189).
00C8
Top up AdBlue Emergency
op. in XXX miles See Own-
er'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 189).
00C8
XX,X l Top up AdBlue Emer.
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 (/ page189). 462
Displaymessa ges and warning/indicator lamps
