Mercedes-Benz 2013 CLS Coupe, Owner'S Manual

Page: 278 / 424

Display messages Possible causes/consequences and
M
Solutions
#
The battery is not being charged.
A warning tone also sounds.
Possible causes:
R
faulty alternator
R
torn poly-V-belt
R
a malfunction in the electronics
X
Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X
Secure the vehicle against rolling away (
Y
page 180).
X
Open the bonnet.
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 OK:
X
Visit a qualified specialist workshop.
4
Check eng. oil
lev. when next
refuelling
The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refuelling, at the latest
(
Y
page 338).
X
If necessary, top up the engine oil (
Y
page 338).
X
Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com.
4
Add 1 litre engine
oil when next refu‐
elling
AMG vehicles: the engine oil level is too low.
X Check the oil level when next refuelling, at the latest
(
Y
page 338).
X If necessary, top up the engine oil (
Y
page 338).
X
Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com.
276
Display messages
On-board computer and displays