HUOEPU Belt Tensioner Assembly with Pulley Fit for Mercedes-Benz C300 E350 ML350 2005-2015 for Mercedes-Benz Sprinter 2500/3500 2007-2008 Replaces 2722000270

Multi-Model OE Fitment: Compatible with 2005-2015 Mercedes-Benz C-Class (C230/C280/C300/C350), E-Class (E350/E550), M-Class (ML350/ML550), GL-Class, R-Class, S-Class, SL-Class, and 2007-2008 Sprinter 2500/3500 (including Dodge/Freightliner variants). Precision OE Replacement: Direct fit for OE# 2722000270 with identical bearing geometry and bolt positioning (M8x1.25 threads), maintaining exact belt alignment to prevent premature wear. Heavy-Duty Cast Iron Construction: Forged iron pulley with sealed ball bearings withstands 2,800 RPM oscillations and -40°F to 302°F extremes, reducing vibration transfer by 70% compared to OEM units. Critical Belt Tension Control: Integrated spring-loaded mechanism maintains 500-700N belt tension across all engine speeds (M272/M273 V6/V8 engines), preventing slippage and accessory drive failure. Professional Installation Required: Requires harmonic balancer lock tool (MB tool 001589714680) and 35 N·m torque calibration – includes pulley but not mounting bolts.