Engine; Display Message; Lamps - Mercedes-Benz 2011 M-Class Operator's Manual

Display messages
b
Daytime Running
Light Left
or
Daytime Running
Light Right
b
Active Headlamps
Inoperative
b
AUTO Light
Inoperative
b
Switch Off Lights

Engine

Display messages
+
Top Up Coolant See
Operator's Manual
G
Warning
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
! The coolant level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
Possible causes/consequences and M Solutions
The left or right-hand daytime running light is defective.
X
Check whether you are permitted to change the bulb yourself
( Y page 111).
or
X
Visit a qualified specialist workshop.
The active light function is faulty.
X
Visit a qualified specialist workshop.
The light sensor is faulty. The low-beam headlamps are switched
on.
X
USA only: switch off daytime driving lights in the on-board
computer ( Y page 215).
X
Switch the lights on and off using the light switch.
X
Visit a qualified specialist workshop.
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to $ or c.
or
X
If the rear fog lamp is switched on: press the light switch in to
the stop.
Possible causes/consequences and M Solutions
The coolant level is too low.
X
Add coolant, observing the warning notes before doing so
( Y page 285).
X
If coolant needs adding more often than usual, have the engine
coolant system checked at a qualified specialist workshop.
Display messages
233
Z