Wheels and tires, Tire pressure – Mercedes-Benz SLK-Class 2012 Owners Manual User Manual

Page 301

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and can be found on the tire sidewall

(

Y

page 309).

If the tire pressures have been set to the

lower values for lighter loads and/or lower

road speeds, the pressures should be reset

to the higher values:

R

if you want to drive with an increased load

and/or

R

if you want to drive at higher road speeds.

i

The tire pressures for increased loads

and/or higher road speeds, shown in the

tire pressure table, may have a negative

effect on driving comfort.

Option 3) The tire pressure for the

emergency/collapsible spare wheel

(depending on vehicle equipment) can be

found:

R

printed in yellow on the rim of the

emergency/collapsible spare wheel

R

in the "Wheel and tire combinations"

section (

Y

page 316) in this Operator's

Manual

R

on the Tire and Loading Information placard

on the B-pillar on the driver's side.

If the tire pressure is not set correctly, this

can lead to an excessive build up of heat and

a sudden loss of pressure.
For more information, contact a qualified

specialist workshop.

Important notes on tire pressure

G

WARNING

If the tire pressure drops repeatedly, the

wheel, valve or tire may be damaged. Tire

pressure that is too low may result in a tire

blow-out. There is a risk of an accident.

R

Check the tire for foreign objects.

R

Check whether the wheel is losing air or the

valve is leaking.

If you are unable to rectify the damage,

contact a qualified specialist workshop.

G

WARNING

If you fit unsuitable accessories onto tire

valves, the tire valves may be overloaded and

malfunction, which can cause tire pressure

loss. Due to their design, retrofitted tire

pressure monitors keep the tire valve open.

This can also result in tire pressure loss. There

is a risk of an accident.
Only screw the standard valve cap or other

valve caps approved by Mercedes-Benz for

your vehicle onto the tire valve.

To test tire pressure, use a suitable tire

pressure gauge. The outer appearance of a

tire does not permit any reliable conclusion

about the tire pressure. On vehicles equipped

with the electronic tire pressure monitoring

system, the tire pressure can be checked

using the on-board computer.
The tire temperature and pressure increase

when the vehicle is in motion. This is

dependent on the driving speed and the load.
Therefore, you should only correct tire

pressures when the tires are cold.
The tires are cold:

R

if the vehicle has been parked without

direct sunlight on the tires for at least three

hours and

R

if the vehicle has not been driven further

than 1 mile (1.6 km)

The tire temperature changes depending on

the outside temperature, the vehicle speed

and the tire load. If the tire temperature

Tire pressure

299

Wheels

and

tires

Z

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