Genuine Mercedes 271-052-06-40 Engine Timing Chain Tensioner Guard Bracket

The Genuine Mercedes 271-052-06-40 Engine Timing Chain Tensioner Guard is a critical OEM component designed to secure the timing chain tensioner in place on M271 engines. This bracket plays an essential role in maintaining proper timing chain tension and preventing chain slippage or tooth jumping, which can lead to catastrophic engine damage.

Key Features:

• Genuine Mercedes-Benz OEM part for guaranteed fitment and quality
• Securely holds the timing chain tensioner in the correct position
• Manufactured to meet strict Mercedes-Benz engineering standards
• Essential component for timing chain system reliability
• Direct replacement for worn or damaged tensioner brackets

Important Installation Note:

When replacing the timing chain tensioner on M271 engines, Mercedes-Benz recommends replacing this bracket simultaneously. Updated tensioner designs relocated the check valve from the tensioner to the bracket assembly, making concurrent replacement critical for proper timing chain system operation. This bracket helps prevent timing chain stretch issues and ensures optimal engine performance and longevity.

Alternate Part Numbers: 2710520640, A2710520640, A 271 052 06 40