Page 595 of 681

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
Page 597 of 681

Display messages
Possible causes/consequences and M
MSolutions
Û Please wait Charging high-
voltage battery *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery is being charge d with a
suitable charge r or while ano ther vehicle is 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 is shown on the multifunction displa y. #
Start the engine. #
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 the engine again. #
Ifth e engine does not start, consult a qualified specialist workshop.
#
Stop vehicle Leave engine
running *T
he battery charge leve l is too lo w. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
4 *D
isplay message only for cer tain engines:
The engine oil le vel is too high. 594
Display messages and warning/indicator lamps
Page 603 of 681

Ty
res Display messages
Possible causes/consequences and M
MSolutions
Tyre pressure Check tyres *T
he tyre pressure loss warning sy stem has de tected a significant loss in pressure. &
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. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure (→ page 526) andthe tyres. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (→ page 533).
h
Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. 600
Display messages and warning/indicator lamps
Page 604 of 681

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (→ page 505). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
Check tyre pressures then
restart Run Flat Indicator *T
he tyre pressure loss warning sy stem generated a displ aymessa geand has not been restar ted since. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem (→ page 533).
h
Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
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. Display messages and
warning/indicator lamps 601
Page 605 of 681

Display messages
Possible causes/consequences and M
MSolutions
R The tyres may wearexcessively 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. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure (→ page 526) andthe tyres.
Run Flat Indicator inopera-
tive *T
he tyre pressure loss warning sy stem is malfunctioning. #
Consult a qualified specialist workshop.
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the 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 (→ page 529).
h 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
re cei ved. The tyre pressure monitoring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified. 602
Display messages and warning/indicator lamps
Page 608 of 681
Display messages
Possible causes/consequences and M
MSolutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (→ page 180).
 Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
 Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, start the engine with theke y in the slot (→ page180).
Â
Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (→ page 79).
 *T
hekey de tection function is malfunctioning. #
Change the location of theke y in theve hicle. #
Start theve hicle with theke y in the slot (→ page180). Displ
aymessa ges and warning/indicator lamps 605
Page 611 of 681

Display messages
Possible causes/consequences and M
MSolutions
Apply brake to select R #
Depress the brake pedal. #
Shift the transmission toposition k.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
To shift out of P or N,
depress brake and start
engine *
Yo u ha veattem ptedto shift the transmission out of position jori into ano ther transmission position. #
Depress the brake pedal. #
Start the engine.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position. #
Depress the brake pedal.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. #
When the transmission is in position h, consult aqualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop.
Reversing not poss. Con-
sult workshop *T
he transmission is malfunctioning. Reversege ar can no lon ger be engaged. #
Consult a qualified specialist workshop. 608
Display messages and warning/indicator lamps
Page 637 of 681

Au
tomatic engine stop (ECO start/
sto p function) .......................................... 187
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 42, 44
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 42
PA SSENGER AIR BAG indicator lamp .... .44
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .163
Au tomatic seat adjustment
Setting ................................................. 11 4
Au tomatic transmission
DIRECT SELECT le ver ........................... 19 3
Drive program display .......................... 191
Drive programs .................................... 19 0
DY NA MIC SELECT switch .................... 19 0
Engaging drive position ........................ 194
Engaging neutral .................................. 194
Engaging pa rkposition ........................ 194Engaging
reve rsege ar ........................ .194
Kickdown ............................................. 19 6
Manual gear changing ........................ .195
St eering wheel gearshift paddles ........ .195
Tr ansmission position display .............. 19 3
Tr ansmission positions ........................ 19 3
Axle load Perm issible .......................................... 550
Tr ailer operation .................................. 565 B
Bag hook .................................................. 13 5
Baidu CarLife Trans ferred vehicle data ......................4 44
Ball ne ck
Extending/r etra cting ........................... 292
BA S (Brake Assist Sy stem) .................... .215
Battery Key ........................................................ 79
Re mo tecontrol (s tationary heater) ...... 174
Battery see Battery (vehicle) Battery (vehicle)
....................................... 517
Charging .............................................. 516
No tes ................................................... 512
No tes (s tarting assis tance and
ch arging) .............................................. 514
Re placing .............................................5 17
St arting assis tance .............................. 516
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 296
Blind Spot Assist .................................... .286
Ac tivating/deactivating ...................... .289
Fu nction .............................................. 286
Sy stem limitations ...............................2 86
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
............................................... 369
Information .......................................... 368
Setting up an Internet connection ....... 457
Switching on/off ................................. 369 634
Index