Display messages
Possible causes/consequences and
M
M
Solutions
Radar
Radar sensors
sensors dirty
dirty
See Owner's Manual
See Owner's Manual
A warning tone also sounds.
At least one of the following driving systems or driving safety systems
is temporarily restricted or inoperative:
R
Brake Assist (BAS)
Possible causes:
R
the sensors in the radiator trim and/or in the bumpers are dirty.
R
the function of the driving system and/or driving safety system is
impaired due to heavy rain or snow.
Once the causes listed above no longer apply, the display message
goes out and the driving systems/driving safety systems are opera-
tional again.
If the display message does not disappear:
X
pull over and stop the vehicle, in accordance with the traffic con-
ditions.
X
secure the vehicle against rolling away (
Y
page 104).
X
switch off the engine.
X
clean the sensors (
Y
page 197).
Clean the sensors in the following locations:
R
in the radiator trim
R
in the front bumper
R
in the rear bumper
SPEEDTRONIC - - -
SPEEDTRONIC - - -
km/h
km/h
While depressing the accelerator pedal (kickdown), the speed limiter
cannot be activated..
X
If conditions permit, drive faster than 30 km/h and store the speed.
SPEEDTRONIC suspen‐
SPEEDTRONIC suspen‐
ded
ded
You are depressing the accelerator pedal. Whilst you are accelerating,
the speed limiter does not control the speed.
X
Release the accelerator pedal. The speed limiter is reactivated and
limits the speed.
Lane
Lane Keeping
Keeping Assist
Assist
inoperative
inoperative
Lane Keeping Assist is faulty.
X
Consult a qualified specialist workshop.
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Display messages
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