Part number: MER-2720521016 is a new, unused Genuine Mercedes engine timing chain tensioner. Timing chains are like timing belts in that they keep the major components of the engine's combustion cycle in sync. Timing belt tensioners and timing chain tensioners perform the same job of keeping the chain/belt at the right tension. If the timing chain tensioner fails there is a high risk of chain failure, this it should be replaced immediately.
You can trust Genuine Mercedes parts to offer you the same safety and security that was originally engineered into your vehicle when it was rolled off the production line. Genuine Mercedes parts are designed and manufactured by the finest suppliers across the globe.
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