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Practical hints
What to do if ...?
Symbol messages
Display symbol Display message
#
Undervoltage
Charge battery
Undervoltage
Switch off
consumers
VISIT WORKSHOP!
320
Possible cause
The battery has insufficient voltage.
The battery has insufficient voltage.
The battery was charged with a battery
charger or jump started.
The battery is no longer charging.
Possible causes:
alternator malfunctioning
broken poly-V-belt
Do not forget that the brake system re-
quires electrical energy and may be oper-
ating with restricted capability.
Considerably greater brake pedal force is
required and the stopping distance is in-
creased.
Possible solution
Start the engine ( page 43).
Turn off unnecessary electrical con-
sumers.
Have the battery checked at a service
station.
Stop immediately and check the
poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an in-
operative water pump which may re-
sult in damage to the engine. Notify an
authorized Mercedes-Benz Center.
If it is intact:
Drive immediately to the nearest au-
thorized Mercedes-Benz Center. Ad-
just driving to be consistent with
reduced braking responsiveness.
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