Can any one tell me how to reset the check engine light on a 2000 C230?. O2 sensor failure and it was replaced and need to re set the light.
Thanks
M

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“If you do not attempt difficult things in your life, you’ll have a pretty boring existence"
Sir. Edmund Hillary

Any OBDII scanner can reset normal engine codes.

Autozones will "check" it for free usually.

Can also disconnect batt for 30 minutes usually. May require that you resynch windows, seat memory, etc.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)

The OBDII plug is under the dash by the drivers knees. There is a little door and you just open it up and plug your scanner in there.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra