See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

Important safety notes
In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. Have the battery checked regularly at a qualified specialist workshop, such a ...

Targeted brake actuation: Active Blind Spot Assist
Another innovation Mercedes-Benz offers for the Mercedes-Benz CL-Class is Active Blind Spot Assist, a system that makes use of a multi-stage warning concept. If the system detects that a lane chan ...