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Practical hints
What to do if …
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#
UNDERVOLTAGE
ENGINE ON!
The battery has insufficient voltage and
can no longer supply the convenience
functions such as seat heater*.
̈ Start the engine (୴ page 44).
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 mal-
functioning.
̈ Continue driving with added cau-
tion.
̈ 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 display
ț Tachometer
ț Cruise control display
̈ Have the electronic systems
checked by an authorized
Mercedes-Benz Center
(
୴ page 258).
W
WASHER FLUID
CHECK LEVEL!
The fluid level has dropped to about
1
/
3
of total reservoir capacity.
̈ Add washer fluid (୴ page 240).
S203 MY03_A.book Page 278 Tuesday, January 28, 2003 2:22 PM