Mercedes-Benz 2002 CLK 320 Betreibershandbuch PDF herunterladen (Seite 329)

327

Operation

Tires and wheels

Checking tire inflation pressure

Regularly check your tire inflation pressure

at least once a month.

Check and adjust the tire inflation

pressure when the tires are cold. The tires

can be considered cold if the vehicle has

been parked for at least three hours or

driven less than one mile (1.6 km).

If you check the tire inflation pressure

when the tires are warm (the vehicle has

been driven for several miles or sitting less

than three hours), the reading will be

approximately 4 psi (0.3 bar) higher than

the cold reading. This is normal. Do not let

air out to match the specified cold tire in-

flation pressure. Otherwise, the tire will be

underinflated.

Checking tire inflation pressure

manually

Follow the steps below to achieve correct

tire inflation pressure:

왘 Remove the cap from the valve on one

tire.

왘 Firmly press a tire gauge onto the

valve.

왘 Read tire inflation pressure on tire

gauge and check against the recom-

mended tire inflation pressure on the

placard on the driver’s door B-pillar

(

컄 page 325). If necessary, add air to

achieve the recommended tire inflation

pressure.

왘 Install the valve cap.

왘 Repeat this procedure for each tire.

Potential problems associated with

underinflated and overinflated tires

Underinflated tire inflation pressure

Underinflated tires can:

앫 cause excessive and uneven tire wear

앫 adversely affect fuel economy

앫 lead to tire failure from being

overheated

앫 adversely affect handling

characteristics

i

If you have overfilled the tire, release

tire inflation pressure by pushing the

metal stem of the valve with e.g. a tip of

a pen. Then recheck the tire inflation

pressure with the tire gauge.

Warning! G

Follow recommended tire inflation

pressures.

Do not underinflate tires. Underinflated tires

wear excessively and/ or unevenly,

adversely affect handling and fuel economy,

and are more likely to fail from being

overheated.

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