VERY IMPORTANT. Other part choices also used on your model - Message your reg number before Purchase.. 4 Wire Direct Fit Lambda Oxygen Sensor - Regulating (Front Pre Cat). Mercedes C Class CLK S SL SLK. Equivalent to Part Numbers: OE: 0015405017 OE: A0015405017. If you order before 12PM we'll dispatch same day from our UK warehouse. For guaranteed next day delivery please select this option at checkout. This product comes with free 365-day no quibble returns (UK only).
