Mercedes-Benz 2003 C-Class Coupe User Manual
Page 270

270
Practical hints
What to do if …
Display
Possible cause
Suggested solution
#
UNDERVOLTAGE
ENGINE ON!
The battery has insufficient voltage and
can no longer supply the convenience
functions such as seat heater*.
Start the engine (
UNDERVOLTAGE
SWITCH CONSUMERS OFF!
The battery is malfunctioning.
̈
Have the battery checked at a ser-
vice station.
G
VISIT WORKSHOP!
DISPLAY DEFECTIVE
The instrument cluster display is malfunc-
tioning.
̈
Continue driving with added caution.
̈
Visit an authorized Mercedes-Benz
Center as soon as possible.
±
VISIT WORKSHOP!
DISPLAY DEFECTIVE
Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:
ț
Coolant temperature gauge
ț
Tachometer
ț
Cruise control display
̈
Have the electronic systems checked
by an authorized Mercedes-Benz
Center (
W
WASHER FLUID
CHECK LEVEL!
The fluid level has dropped to about
1
/
3
of
total reservoir capacity.
̈
Add washer fluid (