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Practical hints
What to do if ...
Problem Possible cause/consequence Suggested solutions
< The red Airbrake warning
lamp comes on while driving
and you hear a warning
sound.
The Airbrake or the central locking system
is malfunctioning.
̈ Contact an authorized Mercedes-Benz
Center immediately.
> The red gearshift indicator
lamp comes on while driving.
You are driving with the manual shift pro-
gram. The engine is in the overrevving
range.
̈ Shift to the next higher gear. Otherwise the
fuel supply will be interrupted to prevent the
engine from overrevving.
A The yellow fuel reserve warn-
ing lamp comes on while
driving.
The fuel level has dropped below the
reserve mark.
̈ Refuel at the nearest gas station
(
୴ page 247).
The fuel cap is not closed tightly. ̈ Check the fuel cap (୴ page 247).
= The engine oil temperature
indicator comes on in the
tachometer while driving.
The engine oil has not yet reached its
operating temperature.
̈ Warm up the engine and do not drive at full
power until the operating temperature has
been reached.
The symbol will go out as soon as the engine
oil has reached its operating temperature.