SmartKey functions

See also:

Adjusting the four-way lumbar support
You can adjust the contour of the front seat backrests individually to provide optimum support for your back. 1 To raise the backrest contour 2 To soften the backrest contour 3 To lower the ...

Engine
Display messages (USA only) (Canada only) The yellow Check Engine warning lamp lights up while the ignition is switched on with the engine running. Possible causes/consequences and ► ...

Even more agile: sports suspension and Dynamic Handling package as an option
In addition to the standard-specification AGILITY CONTROL suspension, the C‑Class offers two other options for adjusting the suspension's characteristics in line with drivers' personal prefe ...