Page 394 of 497
Display messages
Possible causes/consequences and M
MSolutions
Brake immediately *
Ve hicles with manual transmissions: a malfunction has occurred while the HOLD function was activated.
A tone may also sound at regular inter vals. If you attem pttolock theve hicle, theto ne becomes louder.
Yo u cannot start the engine. #
Immediately depress the brake pedal firm lyuntil the display message disappears.
Yo u can restart the engine.
J
Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
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. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. #
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. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. Display messages and
warning/indicator lamps 391
Page 395 of 497
Display messages
Possible causes/consequences and M
MSolutions
# Check brake pad wear *T
he brake pads ha vereached thewe ar limit. #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Consult a qualified specialist workshop.
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain
R extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean all senso rs . #
Restart the engine. 392
Display messages and warning/indicator lamps
Page 396 of 497
Display messages
Possible causes/consequences and M
MSolutions
*T heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain
R extended country driving wi thout moving traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems are available again.
If th e display message does not disappear: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Clean all senso rs . #
Restart the engine.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance pa ckage: Active Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem borders . #
Drive on.
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. Display messages and
warning/indicator lamps 393
Page 397 of 497
Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
PRE-SAFE ®
Impulse Side is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop. 394
Display messages and warning/indicator lamps
Page 428 of 497
Display messages
Possible causes/consequences and M
MSolutions #
Uncouple the coupled trailer and safeguard it against rolling away. #
Initiate a new swivelling procedure . #
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. #
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer hitch is defective 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
unlo cked ball nec k. #
Consult a qualified specialist workshop.
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.
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.
Risk of vehicle rolling
Driver door open and trans-
mission not in P *
The driver's door is not fully closed and the transmission is in position k,iorh. #
Shift the transmission toposition jwhen you park theve hicle. Display messages and
warning/indicator lamps 425
Page 429 of 497
Display messages
Possible causes/consequences and M
MSolutions
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
Only select Park (P) when
vehicle is stationary *
The transmission can be shif tedto position jonly when theve hicle is stationar y.
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 shift the transmis‐
sion position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop.
d Vehicle is operational
Switch off the ignition
before exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heater. Otherwise, the12 V
battery may dischar geand it will then be possible tostart theve hicle only using a donor battery (s tarting assis‐
ta nce). 426
Display messa ges and warning/indicator lamps
Page 430 of 497
Display messages
Possible causes/consequences and M
MSolutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toposition iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
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.
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.
Auxiliary battery malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Untilthen, alw ays manually set the transmission toposition jbefore you swit choff the engine. #
Before leaving theve hicle, apply the electric parking brake. Display messages and
warning/indicator lamps 427
Page 432 of 497
Display messages
Possible causes/consequences and M
MSolutions
Apply brake to select R *
Yo u ha veattem ptedto shift the transmission out of position hand into transmission position k. #
Depress the brake pedal. #
Switch the transmission toposition k.
j
Operation only possible in
transmission position N *
Yo u ha veattem ptedto swivel the ball neck and the transmission is not in position i. #
Switch the transmission toposition i.
j
Operation only possible in
transmission position P *
Yo u ha veattem ptedto swivel the ball neck and the transmission is in position k,iorh. #
Depress the brake pedal. #
Switch the transmission toposition j.
_
Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmissions: the electric steering lock was unable tounlo ck th esteering. #
Switch off the ignition. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on. Display messages and
warning/indicator lamps 429
