go to napa and buy the sensor for about $11.00.
Replace the sensor
Its under the hood.
the sensor is in the brake pad itself, it clips in top of brake pad
Turbine input speed sensor
you can reset with a programer made by snap-on tools it is called a motis programer
no reset needed,just replace the brake pads sensors
Behind front lisc plate assembly
How to change thermostat for mercedes c230
To reset the service indicator on 2003 Mercedes C230, turn on the ignition and scroll through the buttons on the steering wheel. Click on the next service due menu. Hold the adjustment knob on the left side of the cluster down, and hold for 5 seconds.
How to reset the maintenance reminder
If this helps, for a 2002 Mercedes c230... Look for a red lever under the steering wheel and above the E-brake pedal. Pull that red lever and then pull on the latch under the grill in the front of the car.
How do u replace a hood release strap on a Mercedes c230