try unhooking battery cables and then rehooking them up, most of the time that will reset the computer if not you may need a new computer for it, and they are not cheap!!!!
To reset the radio on a Mercedes-Benz SLK230, start by turning the ignition to the "ON" position without starting the engine. Press and hold the "Power" button on the radio until it turns off, then release it. Wait a few seconds and then press the "Power" button again to turn the radio back on. If necessary, check the owner's manual for specific instructions related to your model's audio system.
To reset the service display on a 1998 SLK230, turn the ignition key to the "ON" position without starting the engine. Press the gas pedal three times within 10 seconds. Then, turn the ignition off and back on to complete the reset. The service display should now be cleared.
How do you reset the check engine light on a 1991 mercedes Benz 560 Sel
Sometimes resetting a cars computer is needed to make it work better. A cars computer can be reset by a dealership mechanic.
To perform a drive cycle for a 1999 Mercedes SLK230, start by ensuring the vehicle is in good running condition with all monitors reset. Begin with a cold engine, letting it idle for a few minutes, then drive at a steady speed between 25-45 mph for about 5-10 minutes. Follow this by accelerating to 55-60 mph and maintaining that speed for a few minutes before decelerating without braking. Finally, come to a complete stop and allow the engine to idle for a short time to complete the cycle.
You should take it to a MB daler and tell them to reset the computer, it shouldn't cost you anyhing. If the light does not go away, there may be a problem with the sensor.
the computer needs a reset
Disconnect batt
To reset the computer disconnect the battery for several minutes then reconnect.If the check engine light is off after reconnect then your computer has been reset.
You do not have to reset the computer after this repair. If the Check Engine Light is on it is not because you made this repair. If you disconnected the battery the computer will reset itself.
Try disconecting the battery for a couple minutes,it worked for me..
The engine computer can be reset with a scan tool or by unhooking the battery.