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tery. Begin each time with the contacts on
your own vehicle first.
#
After removing the jumper cable/charging
cable, close cover 1 of positive clamp 2.
Further information can be obtained at a quali‐
fied specialist workshop.
Replacing the 12 V battery
#
Observe the notes on the 12 V battery
(/ page 404).
Mercedes-Benz recommends that you have the
12 V battery replaced at a qualified specialist
workshop, e.g. at an authorized Mercedes-Benz
Center.
Observe the following notes if you want to
replace the battery yourself:
R
Always replace a faulty battery with a battery
which meets the specific vehicle require‐
ments.
The vehicle is equipped with an AGM technol‐
ogy battery (Absorbent Glass Mat). Full vehi‐
cle functionality is only guaranteed with an
AGM battery. For safety reasons, Mercedes-
Benz recommends that you only use batter‐
ies which have been tested and approved for
your vehicle by Mercedes-Benz.
R
Carry over detachable parts, such as vent
hoses, elbow fitting or terminal covers from
the battery being replaced.
R
Make sure that the vent hose is always con‐
nected to the or iginal opening on the side of
the battery.
Install any existing or supplied cell caps.
Otherwise, gases or battery acid could
escape.
R
Make sure that detachable parts are recon‐
nected in the same way.
Tow starting or towing away
Permitted towing methods
Mercedes-Benz recommends transporting your
vehicle in the case of a breakdown, rather than
towing it away.
For towing, use a tow rope or tow bar with both
axles on the ground. Do not use tow bar sys‐
tems.
&
WARNING Risk of accident when towing
with steering wheel lock
You will no longer be able to steer the vehicle
if the steering wheel lock is engaged.
#
Always switch on the ignition when tow‐
ing the vehicle with a tow cable or a tow
bar.
*
NOTE Damage to the vehicle due to tow‐
ing away incorrectly
#
Observe the instructions and notes on
towing away.
Breakdown assistance
409
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