Belt Tensioner With Pulley A2722000270 & A2722000070 Compatible With MERCEDES-BENZ S-CLASS (W221, V221) M-CLASS (W164) Tag No.6

Precision-engineered belt tensioner assembly featuring integrated pulley system designed for optimal serpentine belt management. Direct OEM replacement for Mercedes-Benz S-Class (W221, V221) and M-Class (W164) models. Maintains consistent belt tension across engine operation, reducing wear and extending component lifespan. Features robust construction with superior load-bearing capacity. Compatible with part numbers A2722000270 and A2722000070. Engineered to factory specifications for seamless installation and reliable performance. Essential maintenance component for proper engine accessory drive function.

This OEM-specification belt tensioner assembly delivers precise tension regulation for Mercedes-Benz S-Class (W221, V221) and M-Class (W164) vehicles. The integrated pulley mechanism ensures consistent belt alignment and reduces slippage during engine operation. Built to withstand high-stress conditions, this component prevents premature belt degradation and protects auxiliary engine systems. Direct compatibility with part numbers A2722000270 and A2722000070 guarantees proper fitment. Manufactured to exacting tolerances for reliable performance and extended service intervals. An essential replacement for maintaining optimal serpentine belt drive system functionality and engine efficiency.