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The values displayed in the on-board com-
puter may deviate from those of the tyre pres-
sure gauge as they refer to sea level. At high
elevations, the tyre pressure values indicated
by a pressure gauge are higher than those
shown by the on-board computer. In this case,
do not reduce the tyre pressure.
R R est
estar arting t
ting the tyr
he tyre pr
e pressur
essure monit
e monitor oring syst
R R eq equir uirements:
ements:
The recommended tyre pressure is correctly
R
set for the respective operating status on all of
the wheels (
page 390).
/
Restart the tyre pressure monitoring system in the
following situations:
The tyre pressure has changed.
R
The wheels or tyres have been changed or
R
newly tted.
On-board computer:
Service
4
Swipe downwards on Touch Control on the
#
le -hand side of the steering wheel.
The
Use current tyre pressures as new refer-
ence values?
ment Display.
ing system
em
To restart, press Touch Control on the le -
#
hand side of the steering wheel.
The
Tyre press. monitor restarted
shown in the Instrument Display.
Current warning messages are deleted and
the yellow h warning lamp goes out.
A er you have been driving for a few minutes,
the system checks whether the current tyre
pressures are within the speci ed range. The
current tyre pressures are then accepted as
reference values and monitored.
Be sure to also pay attention to the following rela-
ted topic:
Notes on tyre pressure (
R
Tyres
5
message is shown in the Instru-
message is
page 390)
/
Wheels and tyres 393
Wheel change
Wheel c
hange
N N o o t t es on selecting,
es on selecting, tting
tting and r
and replacing tyr
Mercedes-
Mer
cedes-AMG v
AMG vehicles:
ehicles: observe the notes in the
Supplement. You could otherwise fail to recognise
dangers.
You can ask for information regarding permitted
wheel/tyre combinations at a Mercedes-Benz
Service Centre.
& W W ARNING
ARNING Risk of accident due to incor-
rect wheel and tyre dimensions
If wheels and tyres of the wrong size are tted,
the service brakes or components in the brake
system and in the wheel suspension may be
damaged.
Always replace wheels and tyres with
#
those that ful l the speci cations of the
original part.
For wheels, pay attention to the following:
Designation
R
Type
R
393
eplacing tyres es
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