Mercedes-Benz GLB 2023 Operator's Manual page 327

Tire pressure loss warning system
▌Function of the tire pressure loss warning sys-
tem
The tire pressure loss warning system warns the
driver by means of display messages when there
is a severe tire pressure loss.
System limits
The system may be impaired or may not function
particularly in the following situations:
incorrect reference values were taught in
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sudden pressure loss caused by a foreign
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object penetrating the tire, for example
an even pressure loss on more than one tire
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occurs
The system has a restricted or delayed function
particularly in the following situations:
poor ground conditions, e.g. snow or gravel
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driving with snow chains
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when adopting a very sporty driving style with
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high cornering speeds or sudden acceleration
driving with a high load
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The tire pressure loss warning system is only an
aid. It is the driver's responsibility to set the tire
pressure to the recommended cold tire pressure
suitable for the operating situation and to check
it.
Be sure to also observe the following further rela-
ted subjects:
Notes on tire pressure ( page 319)
/
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Display messages about the tires
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( page 406)
/
▌Restarting the tire pressure loss warning sys-
tem
Requirements
The recommended tire pressure is correctly
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set for the respective operating status on all
wheels.
Restart the tire pressure loss warning system in
the following situations:
The tire pressure has changed.
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The wheels or tires have been changed or
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newly fitted.
Wheels and tires 325
On-board computer:
Service Tires
4 5
Swipe downwards on Touch Control on the
#
left-hand side of the steering wheel.
The Tire Pressure Control System Active
Restart message will be shown on the display.
To begin restart, press Touch Control on the
#
left-hand side of the steering wheel.
The Tire Pressure Now OK? message will be
shown on the display.
Select Yes .
#
To confirm restart, press Touch Control on the
#
left-hand side of the steering wheel.
The Run Flat Indicator Restarted
be shown on the display.
After you have driven for a few minutes, the
tire pressure loss warning system will monitor
the set pressures of all the tires.
Be sure also to pay attention to the following rela-
ted topic:
Notes on tire pressure ( page 319)
/
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message will