Part number: MER-0031533428 is a new, unused Genuine Mercedes ignition knock (detonation) sensor. Knock Sensors tell your engine of any pre-detonation so that it can make the necessary adjustments to protect your engine from damage, thus they must be replaced if they no longer function properly.
Genuine Mercedes parts are the finest replacement parts that you can purchase for your Mercedes. These parts contain the same material quality, and workmanship as the part that was originally installed on the factory line.
FCP Euro has been providing OEM & Genuine replacement parts for European cars since it was established in 1986. FCP Euro's online product catalog offers an extensive variety of OEM and Genuine replacement parts for European cars including BMW, Volvo, Saab, Audi, VW and Mercedes.
FCP Euro offers an industry leading lifetime guarantee on all the replacement parts it sells, free shipping over $49, and unlimited 365 day returns. FCP Euro's call center is dedicated to answering any questions you may have with your repair or purchase.