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412 Wheels and tyres
not permit any reliable conclusion about the tyre
pressure.
Only correct tyre pressures when the tyres are
cold. Conditions for cold tyres:
The vehicle has been parked with the tyres
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out of direct sunlight for at least three hours.
The vehicle has travelled less than 1.6 km.
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The vehicle's tyres heat up when driving. As the
temperature of the tyres increases, so too does
the tyre pressure.
Vehicles with a tyre pressure monitoring sys‐
tem: you can also check the tyre pressure using
the on-board computer.
Notes on trailer operation
Always inflate the rear axle tyres to the recom‐
mended tyre pressures on the tyre pressure
table for increased load.
Tyre pressure table
The tyre pressure table is on the inside of the
fuel filler flap.
If one or more tyre sizes precede a tyre pres‐
sure, the following tyre pressure information is
only valid for those tyre sizes and their respec‐
tive load condition.
If the preceding tyre sizes are complemented by
the + symbol, the tyre pressure information
following shows alternative tyre pressures. Fuel
consumption may then increase slightly.
Internal use only
The load conditions "partially laden" and "fully
laden" are defined in the table for different num‐
bers of passengers and amounts of luggage. The
actual number of seats may differ from this.
Tyre pressure monitoring system
Function of the tyre pressure monitoring sys‐
tem
The system checks the tyre pressure and the
tyre temperature of the tyres fitted to the vehicle
by means of a tyre pressure sensor.
The tyre pressure and the tyre temperature
appear in the on-board computer (
If there is a substantial pressure loss or if the
tyre temperature is excessive, you will be
warned in the following ways:
via display messages (
page 489).
/
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via the h warning lamp in the instrument
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cluster (
page 511)
/
The tyre pressure monitoring system is only an
aid. It is the driver's responsibility to set the tyre
page 413).
/
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