See also:

DEF
Important safety notes For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Rinse surfaces that have come into contact with DEF immediately ...

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 ...

INTERIOR
In stark contrast to the fresh, forward-thinking exterior styling, the CLS550's interior comes off as stodgy and conservative. Frankly, it's got quite the boys-club feel inside. No luxury has been ...