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Practical hints
What to do if …
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Display symbol Display message Possible cause/consequence Possible solution
# The battery is no longer charging.
Possible causes:
ț broken poly-V-belt
ț alternator malfunctioning
̈ Stop immediately and check the
poly-V-belt in a safe location or as
soon as it is safe to do so.
If it is broken:
̈ Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:
̈ Drive immediately to the nearest
authorized Mercedes-Benz Center.
Low voltage
Charge battery
The battery has insufficient voltage. ̈ Start the engine (୴ page 46).
Low voltage
Switch off Consumers
The battery has insufficient voltage. ̈ Turn off unnecessary electrical
consumers.