Mercedes-Benz S-Class Owners Manual
See also:
Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has
a high viscosity, this means that it is thick; a low viscosity means that it is
thin.
Select an engine oil with an SA ...
Checking the coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
– Turn the SmartKey to position
2 (Y page 139) in the ignition lock.
On vehicles with KEYLES ...
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
U.S. government course. For example, a tire
graded 150 wo ...
