See also:

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-B ...

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 ► ...

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...