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342 Display messages and warning and indicator lamps
Display messages
Caution Brakes Overhea-
ted Drive Carefully
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual
Active Brake Assist Func-
tions Currently Limited
See Operator's Manual
Radar Sensors Dirty See
Operator's Manual
SOS NOT READY
Possible causes/consequences and
Stop in a safe location immediately. Do not continue driving.
#
Consult a qualified specialist workshop.
#
Do not add brake fluid.
#
* If the all-wheel drive has been switched on, the brake system can
overheat during extreme off-road use.
Decelerate or stop and let the brake system cool down.
#
* Active Brake Assist is malfunctioning.
Visit a qualified specialist workshop.
#
* Active Brake Assist is temporarily unavailable.
The ambient conditions are outside the system limits (
Continue driving.
#
When the ambient conditions are within the system limits, the
system will be available again.
If the display message does not go out, stop in a safe location
#
and re-start the engine.
* The radar sensor system is malfunctioning. Possible causes:
dirt on the sensors
R
heavy precipitation
R
extended country drives without other traffic, e.g. in the desert
R
Driving systems and driving safety systems may be malfunctioning
or temporarily unavailable.
When the causes have been eliminated, the driving systems and
driving safety systems will be available again.
If the display message does not disappear, proceed as follows:
Stop in accordance with the traffic conditions.
#
Clean all sensors (
#
Re-start the engine.
#
* The emergency call system is not available.
Possible causes for this include:
The ignition is switched off
R
The emergency call system is malfunctioning.
R
Switch on the ignition.
#
If an emergency call is unavailable, a message to this effect will
appear on the multifunction display of the instrument cluster.
Visit a qualified specialist workshop.
#
%
You can find more information on the regional availability of the
emergency call system at: http://www.mercedes-benz.com/
connect_ecall
M M
Solutions
page 274).
/
page 140).
/
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