Maintenance and care

See also:

Underinflated tires
WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...

Safety, Reliability & Mileage
The CL has not been crash-tested by the Insurance Institute for Highway Safety, nor is there reliability data for it. The CL550's mileage is estimated to be 15/23 mpg city/highway, and it takes pr ...

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 ...