Display messages
Possible causes/consequences and
X
X Solutions j Check
trailer
hitch lock
G
Risk of accident
The trailer tow hitch* is not correctly engaged. A warning tone
also sounds.
X Pull over and stop the vehicle safely, paying attention to
road and traffic conditions.
X Engage the ball coupling in the end position (Y page 234).À Attention
Assist:
Time for
a break? Based on specific criteria, ATTENTION ASSIST has deter-
mined that your concentration has waned. A warning tone
also sounds.
X
If necessary, take a break.
During long journeys, take regular breaks in good time so you
get enough rest. À Attention
Assist
inopera‐
tive ATTENTION ASSIST is inoperative.
X
Visit a qualified specialist workshop. # The battery is not being charged. A warning tone also sounds.
Possible causes are:
R
a faulty alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull over and stop the vehicle safely, paying attention to
road and traffic conditions and leave the engine running.
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 over-
heat.
X Switch off the engine.
X Consult a qualified specialist workshop.
If the poly-V-belt is OK:
X Visit a qualified specialist workshop. # Check
brake wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. Display
messages
265Practical advice
* optional
212_AKB; 2; 4, en-GB
mkalafa
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Battery acid is caustic.
Avoid contact with the skin,
eyes or clothing.
Wear suitable protective
clothing, in particular
gloves, an apron and a face
mask.
Immediately rinse acid
splashes off with clean
water. Consult a doctor if
necessary.
Wear eye protection.
Keep children away.
Observe this Owner's Man-
ual.
H
Environmental note
Do not dispose of batteries in the household
rubbish. Dispose of defective batteries in an
environmentally responsible manner. Take
them to a Mercedes-Benz Service Centre or
to a special collection point for old batteries. G
Risk of injury
For safety reasons, Mercedes-Benz recom-
mends that you only use batteries which have
been tested and approved for your vehicle by
Mercedes-Benz. These batteries provide
increased impact protection to prevent vehi-
cle occupants from suffering acid burns
should the battery be damaged in the event
of an accident.
To prevent acid burns, observe the following
safety notes when handling batteries:
R do not lean over the battery.
R do not place any metal objects on a battery.
Otherwise, you could cause a short circuit
and the battery's gas mixture could ignite. R
make sure that you do not create an elec-
trostatic charge, e.g. by wearing synthetic
clothing or as a result of friction on fabrics.
Therefore, you should not pull or slide the
battery over carpets or other synthetic
materials.
R never touch the battery first. To discharge
a possible electrostatic charge, step out of
the vehicle first and touch the bodywork.
R do not wipe the battery using a cloth. The
battery may explode as a result of electro-
static charge or due to flying sparks.
! Before loosening the terminal clamps of
the battery, switch off the engine and
remove the key or, on vehicles with KEY-
LESS GO*, make sure that the ignition is
not switched on. In the instrument cluster,
all of the indicator lamps must be out. Oth-
erwise, you may destroy electronic compo-
nents, such as the alternator.
i Mercedes-Benz recommends that you
have work involving the battery, e.g.
removal, charging and replacement, car-
ried out at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
Installation location of the battery Saloon
Depending on its engine type, your vehicle is
equipped with a battery in the engine com-
partment or boot/luggage compartment. It is
located in front of the bulkhead on the right-
hand side or in the spare wheel well on the320
BatteryPractical advice
* optional
212_AKB; 2; 4, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-05-05T14:17:16+02:00 - Seite 320
Dateiname: 6515346702_buchblock.pdf; erzeugt am 07. May 2009 14:17:25; WK
