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 ...

Adjusting the NECK-PRO head restraints
Adjusting Adjusting Pull or push the bottom of NECK-PRO head restraint 1. Resetting The NECK-PRO head restraints are moved forwards in the event of a rear collision in the direction of tr ...

Safety
Typical of full-size luxury cars, the CL-Class hasn't been crash-tested by the Insurance Institute for Highway Safety, but it does have a boatload of safety features. There are nine airbags, inclu ...