Elring 905.920 Differential Seal - Front

Elring Differential Seal for Mercedes-Benz Rear Axles

The Elring 905.920 differential seal is a precision sealing component for Mercedes-Benz driveline applications that require a 45.0 mm inside diameter and 98.3 mm outside diameter. Built from ACM (polyacrylate) and featuring a dust lip, it helps maintain a clean, stable seal at the differential to support proper axle operation.

Key Features

• Elring 905.920 differential seal for rear differential applications
• ACM (polyacrylate) sealing material for driveline use
• 45.0 mm inside diameter and 98.3 mm outside diameter
• Dust cover with dust lip for added sealing protection
• Radial shaft seal design: A/BS
• Swirl type: WD / alternating twist
• Dimensions include 10 mm height and 16.8 mm height 2 specification

Detailed Description

This Elring differential seal is specified for a wide range of Mercedes-Benz rear axle applications, including GLE350, S560, CLS550, S500, S550, E350, E550, SLK350, C350, GLK350, ML350, and other Mercedes-Benz models listed below. The seal’s ACM construction is suited to sealing duties where resistance to heat and fluid exposure matters, while the dust lip helps reduce contamination at the sealing edge. The part number 905.920 is also referenced for OE-style replacement needs on Mercedes-Benz driveline and axle service work.

This part cross-references Mercedes-Benz OE 025 997 26 47 and aftermarket reference 34974 for the same application.

What This Seal Helps Address

• Differential fluid seepage at the axle seal area
• Contamination entering the differential sealing surface
• Noise or wear concerns related to low or leaking gear oil
• Seal deterioration from age, heat, and driveline exposure
• Service replacement needs on rear differential maintenance

Installation Notes and Fitment

Verify the seal dimensions before installation: 45.0 mm inside diameter, 98.3 mm outside diameter, and 10 mm height. Fitment includes rear applications on Mercedes-Benz models such as 2016-2019 GLE350, 2019 S560, 2012-2018 CLS550, 2014-2017 S550, 2015-2016 E300, 2012-2016 E550, 2013-2015 GLK350, 2012-2015 ML350, and 2005-2016 SLK350. Additional fitment includes front or rear listings where noted, such as 2006-2007 C280 front and 2004 E320 front. Match the position and notes exactly to the vehicle application before service.

Quality Assurance

Elring is a recognized sealing-system manufacturer with OE-focused engineering for engine and driveline service parts. The 905.920 differential seal is built to the listed dimensional and material specifications for accurate replacement on confirmed Mercedes-Benz applications.