Elring 906.050 Differential Seal - Rear

Elring 906.050 Differential Seal for Mercedes-Benz

Elring 906.050 is a differential seal built for rear driveline sealing on select Mercedes-Benz applications. It uses ACM (polyacrylate) material and a dust lip to help maintain a clean sealing surface around the shaft area.

This seal is specified with a 45.0 mm inside diameter, 102.3 mm outside diameter, 11.5 mm height, and 18.3 mm secondary height measurement. The radial shaft seal design is A/BS with WD swirl type, making it a direct-fit sealing component for the listed Mercedes-Benz rear differential applications.

Key Features

• Elring differential seal, part number 906.050
• ACM (polyacrylate) sealing material for driveline use
• 45.0 mm inside diameter and 102.3 mm outside diameter
• 11.5 mm height with 18.3 mm secondary height specification
• Dust lip included for added sealing protection
• Radial shaft seal design: A/BS
• Swirl type: WD

Detailed Description

Elring 906.050 is a rear differential seal for Mercedes-Benz driveline and axle service where the original seal has worn, hardened, or begun leaking. The seal dimensions and design details are listed for precise replacement selection, including the 45 mm inner diameter and 102.3 mm outer diameter. This part cross-references Mercedes-Benz OE numbers 025 997 27 47 and A 025 997 27 47 for the same application. Use Elring 906.050 when servicing rear differential sealing on Mercedes-Benz models such as the Vito, S-Class, SL-Class, and AMG variants listed below.

Vehicle Fitment

• Fits 2009-2013 Mercedes-Benz Vito, rear.
• Fits 2006-2008 Mercedes-Benz SL55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2002-2003 Mercedes-Benz SL55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2005-2008 Mercedes-Benz SLR McLaren, rear. VIN from M 000500 to M 000516.
• Fits 2000-2006 Mercedes-Benz CL500, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2003-2006 Mercedes-Benz CLK500, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2001-2006 Mercedes-Benz CLK55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2006 Mercedes-Benz E320, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 1999-2006 Mercedes-Benz E55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2006 Mercedes-Benz S430, rear.
• Fits 2003-2006 Mercedes-Benz S500, rear.
• Fits 2002-2006 Mercedes-Benz SL500, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2005 Mercedes-Benz E320, rear.
• Fits 1999-2005 Mercedes-Benz S430, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2004-2005 Mercedes-Benz SL55 AMG, rear. VIN to F 069434.
• Fits 2002-2004 Mercedes-Benz C32 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2001-2004 Mercedes-Benz CL55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2001-2002 Mercedes-Benz CL600, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 1998-2002 Mercedes-Benz E430, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 1999-2002 Mercedes-Benz S500, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2001-2002 Mercedes-Benz S55 AMG, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 2001-2002 Mercedes-Benz S600, N/A. Width: 11.5mm; Inner Diameter: 45mm; Outer Diameter: 102.3mm; Dust Cover: with dust lip; Swirl Type: Alternating Twist.
• Fits 1998 Mercedes-Benz E55 AMG, N/A. Rear.

Common Service Issues

• Rear differential oil seepage at the shaft seal
• Fluid loss from a hardened or worn seal lip
• Contamination entering the differential housing through a damaged seal
• Noise or driveline wear caused by low gear oil level
• Repeat leaks after an incorrect-size seal installation

Installation Notes and Tips

Confirm the seal dimensions, dust lip style, and radial shaft seal design before installation. Clean the shaft and housing bore thoroughly, and inspect the mating surface for grooves or wear that could affect sealing. For Mercedes-Benz rear differential service, verify the VIN notes shown for SLR McLaren and SL55 AMG applications before ordering.

Quality Assurance

Elring is a recognized sealing-system manufacturer for automotive driveline service. This differential seal is built to the listed dimensional and material specifications for the confirmed Mercedes-Benz applications.