296 OperationWinter drivingBlock heater* (Canada only)
The engine is equipped with a block heat-
er.
The electrical cable may be installed at
your authorized Mercedes-Benz Center.Snow chains
Snow chains should only be driven on
snow-covered roads at speeds not to ex-
ceed 30 mph (50 km/h). Remove chains
as soon as possible when driving on roads
without snow.Please observe the following guidelines
when using snow chains:
Use of snow chains is not permissible
with all wheel/tire combinations.
Snow chains should only be used on
the rear wheels. Follow the manufac-
turer's mounting instructions.
Only use snow chains that are ap-
proved by Mercedes-Benz. Your autho-
rized Mercedes-Benz Center will be
glad to advise you on this subject.
Use of snow chains may be prohibited
depending on location. Always check
local and state laws before installing
snow chains.
!When driving with snow chains, always
select the raised level of the level con-
trol system Airmatic* (
page 227).
Other settings may result in damage to
your vehicle.
iWhen driving with snow chains, you
may wish to deactivate the ESP
(page 78) before setting the vehicle
in motion. This will improve the vehi-
cle’s traction.
!Even on vehicles with all-wheel-drive,
use snow chains on rear tires only.
Use of snow chains is not permissible
with the Minispare wheel and with tires
of size 245/40 ZR 18 or 265/35 ZR18
(page 394).
