Tire Pressure - Mercedes-Benz S-Class Coupe Operator's Manual

ditions. Only these tires will allow driving
safety systems such as ABS and ESP
function optimally in winter. These tires have
been developed specifically for driving in
snow.
Use M+S tires of the same make and tread on
all wheels to maintain safe handling charac-
teristics.
Always observe the maximum permissible
speed specified for the M+S tires you have
mounted.
When you have mounted M+S tires:
Check the tire pressures (
X
Restart the tire pressure monitor
X
( page 371).
Y
Snow chains
G WARNING
If snow chains are installed to the front
wheels, they may drag against the vehicle
body or chassis components. This could
cause damage to the vehicle or the tires.
There is a risk of an accident.
To avoid hazardous situations:
never install snow chains to the front
R
wheels
always install snow chains in pairs to the
R
rear wheels.
For safety reasons, Mercedes-Benz recom-
mends that you only use snow chains that
have been specially approved for your vehicle
by Mercedes-Benz, or are of a corresponding
standard of quality.
If you intend to mount snow chains, please
bear the following points in mind:
Snow chains may not be mounted on all
R
wheel/tire combinations. Permissible
wheel-tire combinations (
Only use snow chains when driving on
R
roads completely covered by snow.
Remove the snow chains as soon as possi-
®
to
R
R
R
R
page 368).
Y
You may wish to deactivate ESP
when pulling away with snow chains installed.
You can thereby allow the wheels to spin in a
controlled manner, achieving an increased
driving force (cutting action).
Important safety notes
page 388).
Y
ble when you come to a road that is not
snow-covered.
Local regulations may restrict the use of
snow chains. Observe the appropriate reg-
ulations if you wish to mount snow chains.
Do not exceed the maximum permissible
speed of 30 mph (50 km/h).
On vehicles with AIRMATIC (
Active Body Control (ABC) (
you must drive at raised vehicle level if
snow chains have been installed.
When snow chains are installed, never use
Active Parking Assist (

Tire pressure

Tire pressure specifications
G WARNING
Underinflated or overinflated tires pose the
following risks:
the tires may burst, especially as the load
R
and vehicle speed increase.
the tires may wear excessively and/or
R
unevenly, which may greatly impair tire
traction.
the driving characteristics, as well as steer-
R
ing and braking, may be greatly impaired.
There is a risk of an accident.
Follow recommended tire inflation pressures
and check the pressure of all the tires includ-
ing the spare wheel:
monthly, at least
R
if the load changes
R
before beginning a long journey
R
under different operating conditions, e.g.
R
off-road driving
Tire pressure
page 197) or
Y
page 194),
Y
page 202).
Y
®
( page 74)
Y
Z
365