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 ...

Interior
As much as I like how the CL looks from the outside, it's on the inside that Mercedes outdoes the competition: Everything you see or touch looks and feels good. If I shelled out the cash for a CL, ...

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: corrosion protection antifreeze protection raising the boiling ...