How do you reset service codes for Mercedes Benz c200?

To reset the service codes on a Mercedes-Benz C200, first, turn the ignition to the "On" position without starting the engine. Then, press the gas pedal three times within ten seconds. After that, the service indicator should reset, and you can verify by checking the service reminder display. If the steps don't work, consult the vehicle's owner manual or a professional mechanic for assistance.