A large number of warning and information messages may appear on the display of the Mercedes-Benz C-class (W204) with 4-button rudder. Particular attention should be given to the following:
- ABS inoperative-System ABS, ESP, BAS, HOLD, PRE-SAFE are not operational.
- Brake immediately-it is necessary to brake immediately due to a failure.
- Check brake fluid level-brake fluid level fell below norm.
- Check brake wear is the wear limit of brake pads.