Mercedes-Benz GLB 2021 Series, Operator'S Manual

Page: 294 / 446

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To reduce the tire pressure: remove the
tire sealant bottle from the tire inflation com‐
pressor.
#
Insert the filler hose in the socket of the tire
inflation compressor and turn it a quarter
turn clockwise.
#
Press pressure release button C next to
manometer B .
#
When the tire pressure is correct, unscrew
the filling hose from the valve of the sealed
tire.
#
Screw the valve cap onto the valve of the
sealed tire.
#
Store the tire sealant bottle and the tire infla‐
tion compressor.
#
Drive to the nearest qualified specialist work‐
shop and have the tire, tire sealant bottle
and filling hose replaced there.
Battery (vehicle)
Notes on the 12 V battery
&
WARNING Risk of an accident due to
work carried out incorrectly on the bat‐
tery
Work carried out incorrectly on the battery
can, for example, lead to a short circuit. This
can restrict functions relevant for safety sys‐
tems and impair the operating safety of your
vehicle.
You could lose control of the vehicle in the
following situations in particular:
R
When braking
R
In the event of abrupt steering maneuvers
and/or when the vehicle's speed is not
adapted to the road conditions
#
In the event of a short circuit or a simi‐
lar incident, contact a qualified special‐
ist workshop immediately.
#
Do not drive on.
#
Always have work on the battery carried
out at a qualified specialist workshop.
R
Further information on ABS (
/
page 173)
R Further information on ESP
®
(
/
page 174)
For safety reasons, Mercedes-Benz recommends
that you only use batteries which have been tes‐
ted and approved for your vehicle by Mercedes-
Benz. These batteries provide increased impact
protection to prevent vehicle occupants from
suffering acid burns should the battery be dam‐
aged in the event of an accident.
292 Breakdown assistance