223 Driving instructions
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Road salts and chemicals can adversely affect braking 
efficiency. Increased pedal force may become necessary 
to produce the normal brake effect. We therefore 
recommend depressing the brake pedal periodically 
when traveling at length on salt-strewn roads. This can 
bring road salt impaired braking efficiency back to 
normal. A prerequisite is, however, that this be done 
without endangering other drivers on the road.
If the vehicle is parked after being driven on salt treated 
roads, the braking ef ficiency should be tested as soon as 
possible after driving is resumed while observing the 
safety rules in the previous paragraph.Winter driving
Have your vehicle winterized at your authorized 
Mercedes-Benz Light Truck Center before the onset of 
winter.
•Check the engine oil. Change the engine oil if the 
engine contains an oil which is not approved for 
winter operation. For viscosity (SAE / CCMC class) 
and filling quantity, see page 361.
•Check engine coolant anticorrosion / antifreeze 
concentration.
•Additive for the windshield washer and headlamp 
cleaning system: Add MB Concentrate “S” to a 
premixed windshield washer solvent / antifreeze 
which is  form ulated  for  b elow f r eezin g temperatures  
see page 307.
•Test battery: Battery capacity drops with decreasing 
ambient temperature. A well charged battery helps 
to ensure that the engine can be started, even at low 
ambient temperatures.
•Tires: We recommend M+S rated radial-ply tires on 
all four wheels for the winter season. Observe 
permissible maximum speed for M+S rated 
radial-ply tires and the legal speed limit.
Wa r n i n g !
If the vehicle becomes stuck in snow, make sure 
that snow is kept clear of the exhaust pipe and 
from around the vehicle with engine running. 
Otherwise, deadly carbon monoxide (CO) gases may 
enter vehicle interior resulting in unconsciousness 
and death.To assure sufficient fresh air ventilation, open a 
window slightly on the side of the vehicle not 
facing the wind.
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