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Practical hints
What to do if …
Display symbol Display messages Possible cause Possible solution
#
Battery/Alternator
Stop vehicle!
The battery is malfunctioning.
The SBC brake system requires electrical
energy and therefore has only limited op-
eration. 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.
̈ Notify an authorized Mercedes-Benz
Center.
Undervoltage
Charge battery
The battery has insufficient voltage. ̈ Start the engine (୴ page 43).
Malfunction
Electrical consumers
switched off
The consumer battery has insufficient
voltage and can no longer supply the con-
venience functions such as seat ventila-
tion*.
The electrical consumers will come back
online as soon as on-board voltage is suf-
ficient.
(
Backrest, rear right
not locked
The rear seat backrest is not engaged. ̈ Adjust the rear seat backrest until it is
fully engaged in position.
Backrest rear left
not locked
The rear seat backrest is not engaged. ̈ Adjust the rear seat backrest until it is
fully engaged in position.