Mercedes-Benz E-CLASS 2009 Manual page 268

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Possible causes/consequences and X X Solutions
Check
G Risk of accident
trailer
The trailer tow hitch* is not correctly engaged. A warning tone
hitch lock
also sounds.
Pull over and stop the vehicle safely, paying attention to
X
road and traffic conditions.
Engage the ball coupling in the end position (
X
Attention Based on specific criteria, ATTENTION ASSIST has deter-
Assist: mined that your concentration has waned. A warning tone
also sounds.
Time for
a break?
If necessary, take a break.
X
During long journeys, take regular breaks in good time so you
get enough rest.
ATTENTION ASSIST is inoperative.
Attention
Assist
Visit a qualified specialist workshop.
X
inopera‐
tive
The battery is not being charged. A warning tone also sounds.
Possible causes are:
a faulty alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
R
Pull over and stop the vehicle safely, paying attention to
X
road and traffic conditions and leave the engine running.
Open the bonnet.
X
Check whether the poly-V-belt is torn.
X
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise over-
heat.
Switch off the engine.
X
Consult a qualified specialist workshop.
X
If the poly-V-belt is OK:
Visit a qualified specialist workshop.
X
Check The brake pads/linings have reached their wear limit.
brake wear
Visit a qualified specialist workshop.
X
Version: 2.11.8.1
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