Page 425 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Operate the high beam manually until Adaptive High Beam Assist Plus is available again.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus 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. #
Until then, operate the high beam manuall y.
Hazard warning lamps mal-
functioning *T
he hazard warning lamp switch is malfunctioning. #
Consult a quali/ed specialist workshop. Climat Climat
e contr
e contr ol
ol Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
&
inoperative See Owner's
Man. *T
he stationary heater is temp orarily malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine has cooled down, make up tofour attem ptsto
switch on the stationary heater, waiting se veral minutes between each attem pt. #
Ifth e stationary heater does not switch on, consult a quali/ed specialist workshop. 422
422
Displ
aymessages and warning/indicator lamps
Page 439 of 537

Displa
Displa
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y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Rear axle steering cur-
rently unavailable *T
herear axle steering is temp orarily una vailable. The turning circle may become wider. #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle.
If th e display message does not disappear: #
Drive on carefull y. #
Consult a quali/ed specialist workshop.
Electronic rear axle differ-
ential lock inoperative *T
he elect ronic locking di.erential has failed. #
Consult a quali/ed specialist workshop.
Electronic rear axle differ-
ential lock currently
unavailable *T
he elect ronic locking di.erential is overheated. #
Let the electronic locking di.erential cool down bydriving defensivel y.
Rear spoiler control sys-
tem inoperative *T
herear wing cann otreach the end position during retraction and extends again if possible.
The vehicle's speed may be restric ted.
If re traction of there ar wing is bloc ked, e.g. byice: #
Ensure that the cause of the bloc kage has been remo ved. #
Turn o. theve hicle and lock it. #
Start theve hicle aTer a fewminutes.
The rear wing will mo vetothe original position. 436 436
Display messages and
warning/indicator lamps
Page 443 of 537
Engine
Engine
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed the start/s top button while theve hicle is in motion. #
Information about switching o. theve hicle while driving (/ page 168).
+
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* N NO
OTE
TE Engine damage due toinsu1cient coolant #
Avoid long journe yswith insu1cient coolant. #
Add coolant (/ page 349). #
Have the engine cooling system checked at a quali/ed specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. 440 440
Displ
aymessages and warning/indicator lamps
Page 445 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
8
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel. T
T
r
ransmission
ansmission Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Only select Park (P) when
vehicle is stationary *I
t is possible toselect the park position jonly if theve hicle is stationar y. #
Depress the brake pedal tostop. #
ShiT the transmission topark position jwhen theve hicle is stationar y.
Apply brake to deselect
Park (P) position *Y
ou ha veattem pted toshiT the transmission out of park position jand into ano ther transmission position. #
Depress the brake pedal. #
Select transmission position h,kor neutral i.
To shift out of P or N,
depress brake and start
engine *Y
ou ha veattem pted toshiT the transmission out of park position jor neutral iand into ano ther transmission posi-
tion. #
Depress the brake pedal. #
Start theve hicle. 442 442
Displ
aymessages and warning/indicator lamps
Page 455 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ç
Off *A
ctive Dis tance Assist DISTRONIC was deacti vated. If a warning tone also sounds, Active Distance Assist DISTRONIC
has deactivated automatically (/ page 225).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assist DISTRONIC is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 223).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on carefull y.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Distance Assist inop-
erative *A
ctive Dis tance Assist DISTRONIC is malfunctioning.
Other driving systems and driving sa fety systems may also be malfunctioning. #
Drive on carefull y.
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. 452 452
Displ
aymessages and warning/indicator lamps
Page 456 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Distance Assist
available again *A
ctive Dis tance Assist DISTRONIC is ope rational again. #
Switch on Active Distance Assist DISTRONIC (/ page 225).
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual *S
peed Limit Assist is temp orarily una vailable. #
Drive on
Once the cause of the problem is no longer present, the system will be available again.
Speed Limit Assist inopera-
tive *S
peed Limit 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.
ð Maximum speed exceeded *Y
ou ha veexceeded the maximum permissible speed (for cer tain countries only). #
Drive more slo wly.
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached the maximum permissible stored speed for winter tyres. It is not possible toexceed this speed. Display message
s andwarning/indicator lamps
453
453
Page 457 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 230).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available. #
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.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emer gency stops. #
Take ove rth e steering and stop in accordance with the tra1c conditions. #
Switch theve hicle o. and switch it back on
Ac tive Steering Assist is available once more.
Beginning emergency stop *Your hands are not on the steering wheel. An emer gency stop is being initia ted (/ page 232). #
Put your hands back on the steering wheel.
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R Steering 454 454
Display messages and
warning/indicator lamps
Page 458 of 537

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R Braking or accelerating
R Deactivating Active Distance Assist DISTRONIC
Ø *A
ctive Steering Assist has reached the system limits (/ page 230).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth e steering and drive on in accordance with the tra1c conditions.
Active Stop-and-Go Assist
currently unavailable see
Owner's Manual *A
ctive Stop-and-Go Assist is temp orarily una vailable. Active Distance Assist DISTRONIC and Active Steering Assist are
still available.
The ambient conditions are outside the system limits (/ page 229).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on.
Active Stop-and-Go Assist
inoperative See Owner's
Manual *A
ctive Stop-and-Go Assist is malfunctioning.
Ac tive Stop-and-Go Assist has been deactivated. Active Distance Assist DISTRONIC and Active Steering Assist are still
av ailable. #
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
455
455