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Practical hints
What to do if …
Display symbol Display messages Possible cause/consequence Possible solution
# There is a malfunction in the electronic
system.
̈ Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
#
Battery/Alternator
Stop vehicle
The battery is malfunctioning.
The brake system requires electrical en-
ergy and therefore has only limited oper-
ation. Considerably greater brake pedal
force is required and the stopping dis-
tance is increased.
̈ Stop the vehicle as soon as it is safe
to do so. Adjust driving to be consis-
tent with reduced braking responsive-
ness.
̈ Call Roadside Assistance.
̈ Notify an authorized Mercedes-Benz
Center.
#
Low voltage
Start engine
The battery has insufficient voltage. ̈ Start the engine (୴ page 51).
2
Brakepad wear
The brake pads have reached their wear
limit.
̈ Have the brake pads replaced as soon
as possible.
!
Brake pad thickness must be visually in-
spected by a qualified technician at the intervals
specified in the Maintenance Booklet.