Mercedes-benz S-Class 2011 User Manual download pdf (Page 484)

surfaces decreases significantly when the

tread depth is less than

1

/

8

in (3 mm).

R

Replace the tires after six years at the

latest, regardless of wear. This also applies

to the emergency spare wheel/spare

wheel.

The service life of tires depends, among other

things, on the following factors:

R

driving style

R

tire pressure

R

mileage

MOExtended run-flat system

The MOExtended run-flat system allows you

to continue driving the vehicle even when one

or more tires lose all air pressure.

The MOExtended run-flat system may only be

used in conjunction with the activated tire

pressure loss warning system or with the

activated tire pressure monitor, and on

wheels specifically tested by Mercedes-Benz.

You will find notes on driving with a flat tire in

the "Breakdown assistance" section

(Y page 467).

Winter operation

Points to remember

Have your vehicle winterproofed at a qualified

specialist workshop, e.g. at an authorized

Mercedes-Benz Center, at the onset of

winter.

Observe the notes in the "Changing a wheel"

section (Y page 502).

Winter tires

Use winter tires at temperatures below

45 ‡ (7 †) and on snow or ice-covered roads.

Only winter tires also bearing the i

snowflake symbol next to the M+S marking

provide the best-possible grip in wintry road

conditions. Only these tires will allow the ABS

and ESP

®

driving systems to function

optimally in winter, as these tires have been

designed specifically for driving on snow.

Use M+S tires of the same make and tread on

all wheels to maintain safe handling

characteristics.

G

Warning

M+S tires with a tread depth of less than

1

/

6

inch (4 mm) must be replaced. They are no

longer suitable for winter operation.

Always observe the maximum permissible

speed specified for the M+S tires you have

installed.

Once you have installed the winter tires:

X

Check the tire pressures (Y page 487).

X

Restart the tire pressure monitor

(Y page 487).

G

Warning

If you use your spare wheel when M+S tires

are fitted on the other wheels, be aware that

the difference in tire characteristics may very

well impair turning stability and that overall

driving stability may be reduced. Adapt your

driving style accordingly.

Have the spare wheel replaced by a regular

road wheel with an M+S tire at the nearest

authorized Sprinter Dealer.

Snow chains

For safety reasons, Mercedes-Benz

recommends that you only use snow chains

which have been specially approved for your

vehicle by Mercedes-Benz, or are of a

corresponding standard of quality.

!

You must drive at raised vehicle level if

snow chains have been mounted. The

vehicle could otherwise be damaged.

!

There is not enough space for snow

chains on some wheel sizes. Observe the

information under "Tires and wheels" in the

482

Winter operation

Tires and wheels

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