Mercedes-Benz A-Class 2020 Operator's Manual page 303

The tire pressure loss warning system does not
replace the need to regularly check the tire pres‐
sure.
System limitations
The system may be impaired or may not function
particularly in the following situations:
Incorrectly set tire pressure
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Sudden pressure loss caused, for example,
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by a foreign object penetrating the tire
Steady pressure loss in several tires
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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
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with high cornering speeds or sudden accel‐
eration
Driving with a high load
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Be sure to also observe the following further
related subjects:
Notes on tire pressure ( page 294)
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Display messages about the tires
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( page 374)
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Restarting the tire pressure loss warning
system
Requirements:
The recommended tire pressure is correctly
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set for the respective operating status on
each of the four wheels ( page 294).
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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 installed.
On-board computer:
Service Tires
4 5
Swipe downwards on the Touch Control on
#
the left-hand side of the steering wheel.
The Tire Pressure Control System
ActiveRestart message is shown in the multi‐
function display.
Wheels and tires 301
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 installed.
To begin the restart, press the Touch Control
#
on the left-hand side of the steering wheel.
The Tire Pressure Now OK? message is
shown in the multifunction display.
Select Yes .
#
To confirm the restart, press the Touch Con‐
#
trol on the left-hand side of the steering
wheel.
The Run Flat Indicator Restarted
shown in the multifunction display.
After you have driven for a few minutes, the
tire pressure loss warning system monitors
the set tire pressures of all the tires.
Be sure to also observe the following further
related subjects:
Notes on tire pressure ( page 294)
/
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message is