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Practical hints
What to do if …
#
Undervoltage
Switch off
consumers
The battery has insufficient voltage. ̈ Turn off unnecessary electrical con-
sumers.
–
Battery/Alternator
Visit workshop!
The battery was charged with a battery
charger or jump started.
The battery is no longer charging. Possible
causes:
ț Alternator malfunctioning
ț Broken poly-V-belt
Do not forget that the brake system re-
quires electrical energy and may be operat-
ing with restricted capability. Considerably
greater brake pedal force is required and
the stopping distance is increased.
̈ Have the battery checked at a ser-
vice station.
̈ Stop immediately and check the
poly-V-belt.
If it is broken:
̈ Do not continue to drive. Notify
an authorized Mercedes-Benz
Center.
If it is in order:
̈ Drive immediately to the nearest
authorized Mercedes-Benz Cen-
ter. Adjust driving to be consis-
tent with reduced braking
responsiveness.
Display Possible cause Suggested solution