Mercedes-Benz A-Class Operator's Manual page 394

392 Wheels and tires
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
in the following situations:
if the tire pressure is set incorrectly
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if there is a sudden pressure loss caused, for
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example, by a foreign object penetrating the
tire
if the pressure loss in several tires decreases
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at the same rate
The system has a limited or delayed function:
when the road surface is poor, e.g. snow or
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gravel
when driving with snow chains
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when driving in a very sporty driving style
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with high cornering speeds or sudden accel‐
eration
when driving with a high load
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Be sure to also observe the following further
related subjects:
Notes on tire pressure ( page 388)
→
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Display messages about the tires
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( page 457)
→
Restarting the tire pressure loss warning
system
Requirements:
The recommended tire pressure is correctly
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set for the respective operating condition on
each of the four wheels ( page 388).
→
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:
Assistance Tires
, .
Swipe downwards on Touch Control on the
#
left-hand side of the steering wheel.
The Tire Pressure Control System Active
Restart message is shown in the multifunc‐
tion display.
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 restart, press 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 restart, press Touch Control on
#
the left-hand side of the steering wheel.
The Run Flat Indicator Restarted
shown in the multifunction display.
message is