Heavy Duty Serpentine Drive Belt And Tensioner Kit Fits 2013 2015 Mercedes E350 GLK350 2012 2015 ML350 Solid High Quality Unit Handles Repairs To Silence Engine Noise And Get Your Ride Cruising Smooth Tonight

Belt tensioner kit fixes engine noise on 2012 to 2015 cars.
✔️ Includes tensioner assembly and belt fits 2012 to 2015 Mercedes models

This accessory drive belt tensioner assembly kit replaces OEM components on Mercedes E350 vehicles. It is typically used to maintain proper belt routing and prevent squeaking noises in the engine bay.

✅ Kit includes 1 Accessory Drive Belt Tensioner Assembly and 1 Heavy Duty Serpentine Belt
✅ Compatible OE Numbers: 2762000170; 2762000370; 38920RCAA03 and others listed
✅ Pre-assembled components designed as direct replacements eliminating modifications

💡 A common question buyers ask is what is a serpentine belt tensioner assembly used for. These units regulate belt tension to ensure accessories run smoothly without slipping.
- Prevents premature wear on alternator water pump and power steering pump during starts
- Improves overall engine efficiency by maintaining correct tension levels across components
- Helps avoid sudden engine stalling or electrical failure caused by belt slippage issues