See also:

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Resea ...

KEYLESS-GO
General information Vehicles with KEYLESS-GO are equipped with a SmartKey featuring an integrated KEYLESSGO function and a detachable Start/Stop button. The Start/Stop button must be inserted ...

The suspension: a proven design in a new guise
As on the E-Class, the front suspension takes the form of a 3-link front axle with McPherson struts, which has been especially modified for the new CLS. The key feature of this modified suspension ...