Mercedes-Benz GLS 2023, Operator'S Manual

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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) or a lith-
ium-ion battery. Full vehicle functionality is
only guaranteed with an AGM battery or lith-
ium-ion battery. For safety reasons, Mercedes-
Benz recommends that you only use batteries
which have been tested and approved for your
vehicle by Mercedes-Benz.
R
Carry over detachable parts, such as vent
hoses, elbow installing or terminal covers from
the battery being replaced.
R
Make sure that the vent hose is always con-
nected to the original 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
Overview of the permitted towing methods (not
plug-in hybrid)
*
NOTE Damage caused by automatic brak-
ing
If one of the following functions is activated,
the vehicle brakes automatically in certain sit-
uations:
R
Active Brake Assist
R
Active Distance Assist DISTRONIC
R
HOLD function
R
Active Parking Assist
To avoid damage to the vehicle, deactivate
these systems in the following or similar situa-
tions:
#
During towing.
#
In a car wash.
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 systems.
*
NOTE Damage to the vehicle due to tow-
ing away incorrectly
#
Observe the instructions and notes on
towing away.
366 Breakdown assistance