Under the Hood

The CLS500 gets a 302-hp, 5.0-liter V-8 that works with a seven-speed-automatic transmission. The CLS55 AMG has a 469-hp, supercharged 5.5-liter V-8 that's connected to a five-speed-automatic transmission. Both transmissions have manual-shift provisions.

    See also:

    Problems with the SmartKey
    Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

    Load index
    Tire data is vehicle-specific and may deviate from the data in the example. In addition to the load bearing index, load index 1 may be imprinted after the letters that identify speed r ...

    Sidewall
    The part of the tire between the tread and the bead. ...