Mercedes-Benz 2003 M-Class Operator's Manual page 229

Problem
É
- The red brake warning lamp
lights up in addition to the yellow
ABS malfunction lamp and you
hear a warning sound.
: The yellow warning lamp blinks
after starting the engine or while
driving.
_ The red indicator lamp does not
go out after starting the engine.
‡ The green front fog lamp indica-
tor lamp lights up when ignition
is turned on.
Possible cause
There is a malfunction in the Electronic Brake
Proportioning (EBP) system.
The enhanced braking effect is not available.
The engine oil level has sunk to the minimum
level. If the engine oil level continues to sink,
the warning lamp will light up.
The adjustable telescoping steering column
is not properly locked.
The front fog lamps are switched on.
Practical hints
What to do if ...
Suggested solution
Have the system checked immediate-
ly at an authorized Mercedes-Benz
Light Truck Center.
Failure to follow these instructions in-
creases the risk of accidents.
Add approved oil at the next gas sta-
tion ( page 286).
If oil loss is visible on the engine, have
the malfunction corrected as soon as
possible at a Mercedes-Benz Light
Truck Center.
Lock the adjustable steering column
( page 37).
Fog lamps ( page 105).
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