URO 0109971381 Washer Fluid Reservoir Mounting Grommet

Mercedes-Benz Washer Reservoir Grommet

This URO washer fluid reservoir mounting grommet is a direct-fit replacement for worn windshield washer reservoir seals on a wide range of Mercedes-Benz models. Part number 0109971381 is molded to OE dimensions and shape for a proper fit during service on the washer reservoir heater element seal.

Key Features

• Direct-fit replacement for hardened or cracked washer reservoir grommets
• Molded to OE dimensions and shape for easier installation
• Heat- and ozone-resistant material for long service life
• High-quality material construction with flexible sealing performance
• Guaranteed fitment for listed Mercedes-Benz applications
• Cross-reference: Genuine 0109971381

Detailed Description

URO part number 0109971381 is a washer fluid reservoir mounting grommet used as a seal for the heater element on select Mercedes-Benz vehicles. It is built to replace aging factory grommets that can harden, crack, or lose sealing ability over time. This replacement is shaped to OE dimensions for consistent fitment on applications such as Mercedes-Benz C-Class, E-Class, S-Class, SLK, CLK, CLS, and GLK models.

Compatible With Mercedes-Benz applications including 2012-2018 CLS550, 2015-2017 CLS400, 2013-2017 E400, 2010-2017 E550, 2014-2016 E250, 2010-2016 E350, 2006-2015 C350, 2008-2015 C63 AMG, and 1994-2006 S500. Part number 0109971381 also appears in interchange listings for related OE and aftermarket references.

What It Helps Fix

• Washer reservoir seepage at the heater element seal
• Cracked or hardened original grommet material
• Poor sealing around the washer fluid reservoir opening
• Fitment issues caused by distorted OE rubber
• Service failures from heat and ozone exposure

Installation Notes

Inspect the reservoir opening and heater element area before installation. Remove any old residue, hardened rubber, or debris so the new grommet seats evenly. Confirm the seal is aligned to the OE-style shape before reassembly. This part is listed for the heater element seal position, with fitment shown for Mercedes-Benz models across 1986-2018.

Quality Assurance

URO lists this washer fluid reservoir mounting grommet with a 24-month unlimited mileage warranty. The material is described as heat- and ozone-resistant, and the part is molded for OE-style dimensions and shape to support proper fit on the specified Mercedes-Benz applications.