Mercedes-Benz A-Class Owner's Manual page 343

340 Wheels and tyres
Check whether the wheel or valve has a
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leak.
If you are unable to rectify the damage,
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contact a qualified specialist workshop.
Information on the recommended tyre pressure
for the vehicle's factory-fitted tyres can be found
on the tyre pressure table on the inside of the
fuel filler flap ( page 340).
→
Use a suitable pressure gauge to check the tyre
pressure. The outer appearance of a tyre does
not permit any reliable conclusion about the tyre
pressure.
Vehicles with a tyre pressure monitoring sys‐
tem: you can also check the tyre pressure using
the on-board computer.
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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A rise in the tyre temperature of 10 °C increases
the tyre pressure by approx. 10 kPa (0.1 bar/
1.5 psi). Take this into account when checking
the tyre pressure of warm tyres.
Trailer operation notes
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.
The tyre pressure table shows the recommended
tyre pressure for all tyres approved for this vehi‐
cle. The recommended tyre pressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of the vehicle.
If one or more tyre sizes precede a tyre pres‐
sure, the tyre pressure information following is
only valid for those tyre sizes.