Febi 100557 Engine Timing Chain Tensioner - Left or Left Upper

Febi 100557 Engine Timing Chain Tensioner

Febi 100557 is a hydraulic engine timing chain tensioner for Mercedes-Benz applications that require precise chain control on the left or left upper position. Built to match the listed OE dimensions, it supports stable timing chain tension in engines where accurate hydraulic operation is critical.

Key Features

• Hydraulic operating mode for consistent timing chain tension
• Housing width: 45.0 mm
• Housing length: 70.0 mm
• Height/thickness: 65.0 mm
• Engine timing chain tensioner for left and left upper positions
• Febi part number 100557 for OE-style replacement selection

Product Details

This febi product line focuses on precise replacement components for European vehicles, and febi 100557 follows the dimensional and operating specifications listed for Mercedes-Benz engine timing systems. It is used in a wide range of Mercedes-Benz models, including C43 AMG, GLC43 AMG, E450, S450, GLE400, GLS450, E400, E43 AMG, and SLK350 applications. For buyers searching for a Mercedes-Benz C43 AMG timing chain tensioner, Mercedes-Benz E400 hydraulic tensioner, or a febi 100557 replacement for left-side engine timing service, this part matches the documented fitment and OE cross-reference needs.

This part cross-references Mercedes-Benz OE numbers 276 050 07 11 and 276 050 25 00 for the same application.

Common Issues This Part May Address

• Timing chain slack at startup
• Noise from a worn or weak hydraulic tensioner
• Inconsistent chain tension in the valve train
• Timing system service on Mercedes-Benz engines with left or left upper tensioner placement
• Replacement of a tensioner that no longer maintains proper hydraulic pressure

Installation Notes and Tips

Verify engine number break points before ordering, especially on applications that specify from or to engine number 30129269. Confirm the position as listed for your vehicle: left or left upper. Match the housing dimensions and hydraulic operating mode to the original part before installation, and follow the vehicle service procedure for timing system work.

Quality Assurance

Febi timing components are cataloged for OE-style fitment selection and dimensional accuracy. This part number, 100557, is listed with direct Mercedes-Benz application data to support correct replacement selection for Mercedes-Benz C43 AMG, GLC43 AMG, and E400 timing chain service.