Ensure smooth and precise operation of your engine with this Genuine Chain Tensioner, designed specifically for the OM651 diesel engine. Compatible models: OM651 / CLA C117 / GLA X156 / ML/GLE W166 / SLK R172 / A W176 / C W204/W205 / GLK X204 / E C207/W212 / CLS C218 / S W221 / B W246.
