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Disconnect the charging cable from the nega-
#
tive terminal of the charger.
Disconnect the charging cable from the posi-
#
tive terminal of your vehicle.
Disconnect the charging cable from the posi-
#
tive terminal of the charger.
After removing the charging cables, close the
#
cover
1
of the positive terminal 2.
Replacing the 12 V battery
Observe the notes on the 12 V battery
#
(
page 592).
/
Mercedes-Benz recommends that you have the
12 V battery replaced at a qualified specialist
workshop, e.g. at a Mercedes-Benz Service
Centre.
Observe the following notes if you want to replace
the battery yourself:
Always replace a faulty battery with a battery
R
which meets the specific vehicle require-
ments.
The vehicle is equipped with an AGM (Absorb-
ent Glass Mat) technology battery or a lithium-
ion battery. Full vehicle functionality is only
guaranteed with an AGM battery or lithium-ion
battery. For safety reasons, Mercedes-Benz
recommends that you only use batteries which
have been tested and approved for your vehi-
cle by Mercedes-Benz.
Use detachable parts such as vent hoses,
R
elbow fittings or terminal covers from the bat-
tery which is to be replaced.
Make sure that the vent hose is always con-
R
nected to the original opening on the side of
the battery.
Fit any existing or supplied cell caps.
Otherwise, gases or battery acid could
escape.
Make sure that detachable parts are recon-
R
nected in the same way.
F118 0058 02
Breakdown assistance 599
Tow-starting or towing away
Overview of permissible towing methods (not
plug-in hybrid)
* NOTE Damage from automatic braking
If one of the following functions is activated,
the vehicle will brake automatically in certain
situations:
Active Brake Assist
R
Active Distance Assist DISTRONIC
R
HOLD function
R
Active Parking Assist
R
To avoid damaging the vehicle, deactivate
these systems e.g. during towing or in the car
wash.
Mercedes-Benz recommends transporting your
vehicle in the case of a breakdown, rather than
towing it away.
For towing with both axles on the ground, use a
tow rope or tow rod. Do not use tow bar systems.
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