URO 1237300278 Door Seal - Rear Right

Mercedes-Benz 300D Rear Right Door Seal

This URO door seal is a direct-fit replacement for the rear right door on 1977-1985 Mercedes-Benz 300D models. It uses EPDM rubber to help block water, dust, and road debris while maintaining an OE-style seal profile for a quieter door closure.

Key Features

• Fits 1977-1985 Mercedes-Benz 300D, rear right
• Long-life EPDM rubber resists water intrusion and airborne debris
• OE-style profile helps reduce door squeaks and wind noise
• Smooth sealing surface helps prevent sticking between the door and body
• Heat- and UV-resistant material for long-term exterior use
• URO part number 1237300278 for direct reference

Detailed Description

Built for the rear right door opening, this Mercedes-Benz 300D door seal is shaped to match the original sealing surface and support a consistent closure feel. The EPDM construction is selected for durability in exterior body applications, helping maintain a tight barrier against moisture and contamination. If you are replacing a worn or flattened seal on a 1977-1985 Mercedes-Benz 300D, URO 1237300278 provides an OE-style solution for restoring proper door sealing.

This part cross-references URO 1237300278 and 955 33191 738 for the same application.

What It Helps Fix

• Water leaking past the rear right door seal
• Wind noise around the door opening
• Door squeaks caused by a worn sealing surface
• Dust and debris entering the cabin through the door frame
• Sticking or uneven door contact at the body opening

Installation Notes

Install on the rear right door opening of the listed Mercedes-Benz 300D applications. Before installation, clean the mating surfaces thoroughly and inspect the door frame for rust, distortion, or old adhesive residue that can affect seal contact. Verify the seal profile matches the original part before final fitment.

Quality Assurance

URO specifies guaranteed fitment, OE-style sealing geometry, and material resistance to heat and UV exposure. This door seal is backed by a 24-month unlimited mileage warranty.