Mercedes-Benz 2005 E 320 User Manual
Page 374
373
Practical hints
What to do if …
Symbol messages
Display symbol
Display messages
Possible cause
Possible solution
#
Undervoltage
Switch off
consumers
The battery has insufficient voltage.
̈
Turn off unnecessary electrical con-
sumers.
Visit workshop
The battery was charged with a battery
charger or jump started.
̈
Have the battery checked at a service
station.
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 oper-
ating with restricted capability.
Considerably greater brake pedal force is
required and the stopping distance is in-
creased.
̈
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
authorized Mercedes-Benz Center.
Adjust driving to be consistent with
reduced braking responsiveness.