Alway
sobserve the maximu mpermissible
speed specified for the M+S tyres yo uhavef it-
ted.
If yo ufit M+S tyres tha thaveal ower maximum
permissibl espeed tha nthatoft he vehicle, affix
an appropriate warning labe linthe driver's field
of vision. Thi scan be obtained at aquali fied
specialist workshop.
Unde rthes ecircumstances ,you shoul dalso
restrict the type-tested maximu mspeed of the
vehicl eusing permanent SPEEDTRONI Csothat
it does not exceed the maximu mpermissible
speed for the M+S tyres (Y page 184).
Whe nyou have fitte dthe M+S tyres:
X Check the tyr epressures (Y page 356).
X Restart the tyr epressure monitor
(Y page 360).
Informatio nondriving with an emergency spare
whee l(Y page 367). Sno
wchains G
WARNING
If yo uhavef itte dsnow chains to the front
wheels ,they ma yscrape against the vehicle
body or chassi scomponents. Thi scould
cause damage to the vehicl eorthe tyres.
There is ariskofana ccident.
To avoi dhazardou ssituations:
R neve rfit snow chains on the front wheels
R fit snow chains to the rea rwheel sinp airs.
For safety reasons ,Mercedes-Benz recom-
mend sthaty ou onlyusesnow chains tha thave
been specifically approved for your vehicl eby
Mercedes-Benz, or tha tare ofac orresponding
standard of quality .For more information,
please contact aquali fied specialist workshop.
If yo uintend to fit snow chains ,pleas ebearthe
following points in mind:
R snow chains canno tbefitte dtoa llwheel-tyre
combinations. Permissibl ewheel -tyre combi-
nations (Y page 366).
R onl yusesnow chains if the roa dsurface is
completel ysnow-covered .Rem ove the snow
chains as soo naspossibl ewheny ou come to
ar oadt hatisn ot snow-covered. R
local regulations ma yrestrict the us eofsnow
chains .Observ ethe appropriate regulations if
yo uw ishtof it snow chains.
R do not exceed the maximu mpermissible
speed of 50 km/h.
R on vehicles with AIRMATIC, yo umustd rive at
raised vehicl elevel if snow chains have been
fitte d(Ypage 195).
R when snow chains ar efitted, neve ruse Active
Parking Assist (Y page 201).
Yo um aywish to deactivate ESP ®
when pulling
away with snow chains fitted:
R allv ehicles (excep tMercedes‑AMG vehicles)
(Y page 72)
R Mercedes-AM Gvehicles (Y page 73)
Thi sw ayyouc an allo wthe wheels to spi nina
controlled manner, achieving increased driving
forc e(cutting action).
Informatio nabout driving with an emergency
spare whee l(Ypage 367). Tyre pressure
Tyre pressure specifications
G
WARNING
Underinflated or overinflated tyres pose the
following risks:
R the tyres ma yburst, especially as the load
and vehicl espeed increase.
R the tyres ma yweare xcessivel yand/or
unevenly, which ma ygreatl yimpai rtyre
traction.
R the driving characteristics, as well as steer-
ing and braking ,maybe greatl yimpaired.
There is ariskofana ccident.
Observ ethe recommende dtyrep ressure and
check the tyr epressure of al lthe tyres includ-
ing the spare wheel:
R at leas tevery two weeks
R when the load changes
R before embarking on alon gerjourney
R for change doperating conditions, e.g .off-
roa ddriving
If necessary ,correct the tyr epressure. 356
Tyre pressureWheel
sand tyres