On-board computer and displays, Display messages – Mercedes-Benz CL-Class 2012 User Manual
Page 366

Display messages
Possible causes/consequences and M Solutions
?
The engine fan is defective.
X
At coolant temperatures under 248 ‡ (120 † ), drive to the next
qualified specialist workshop.
X
Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic.
#
The battery is not being charged.
Possible causes are:
R
a defective alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Open the hood.
X
Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
!
Do not continue driving. The engine could otherwise overheat.
X
Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X
Visit a qualified specialist workshop.
4
Check Engine Oil
at Next Refueling
Vehicles with an oil dipstick: the oil level has dropped to the
minimum level.
X
Check the engine oil level at the latest when next refueling
(
X
If necessary, add engine oil (
X
If engine oil needs to be added more often than usual, have the
engine checked at a qualified specialist workshop.
4
Check Engine Oil
Level (Add 1 quart)
(USA only)
Check
Engine Oil Level
(Add 1 Liter)
(Canada only)
Vehicles without an oil dipstick: the engine oil level is too low.
X
X
If necessary, add engine oil (
X
If engine oil needs to be added more often than usual, have the
engine checked at a qualified specialist workshop.
Information on approved engine oils can be obtained from any qualified specialist workshop
or on the Internet at http://www.mbusa.com (USA only).
364
Display messages
On-board computer and displays