Mercedes-Benz 2011 CL-Class, Operator'S Manual

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Display messages Possible causes/consequences and
M
Solutions
b
AUTO Lamp Function
Inoperative
The light sensor is faulty.
X
Visit a qualified specialist workshop.
USA only:
X
Switch off the daytime running lamps in the on-board computer
(
Y
page 341).
X
Switch the lights on and off using the light switch.
b
Please Switch Off
Lights
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.
Adaptive High-beam
Assist
Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Engine
Display messages Possible causes/consequences and
M
Solutions
+
Check Coolant
Level See Oper.
Manual
The coolant level is too low.
X
Add coolant, observing the warning notes when doing so
(
Y
page 407).
X
If coolant needs adding more often than usual, have the engine
coolant system checked at a qualified specialist workshop.
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.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored.
Display messages
359
On-board computer and displays
Z