Dorman 42869 Windshield Wiper Arm - Rear

Rear Wiper Arm for Mercedes-Benz R-Class

This Dorman rear windshield wiper arm is built to match the fit and function of the original equipment arm on specified Mercedes-Benz vehicles. It is a specific-fit replacement for rear wiper service on the Mercedes-Benz R350, R320, R500, R550, and R63 AMG.

• Direct replacement rear wiper arm for specified Mercedes-Benz applications
• Plastic construction with a black finish
• 10.85 in. length for OE-style fitment
• Bolt-on attachment method
• Snap-in wiper end type
• Designed for rear windshield wiper service on Mercedes-Benz R350 rear, Mercedes-Benz R320 rear, Mercedes-Benz R500 rear, Mercedes-Benz R550 rear, and Mercedes-Benz R63 AMG rear

Detailed Product Information

Dorman part number 42869 is a rear wiper arm engineered to replace the original arm on select Mercedes-Benz R-Class vehicles. The specific-fit design helps maintain the correct mounting, reach, and blade connection for rear window wiping performance. If you need a Mercedes-Benz R350 rear wiper arm or a rear wiper arm for a Mercedes-Benz R500, this OE-style replacement is built around the listed vehicle applications. Part number 42869 also cross-references 2518200944 for the same application.

Common Problems This Part Can Address

• Broken or cracked rear wiper arm
• Loose or worn blade connection at the rear wiper end
• Improper rear wiper sweep caused by a damaged arm
• Corrosion or wear affecting rear wiper operation
• Loss of rear windshield clearing performance on the listed Mercedes-Benz models

Installation Notes and Tips

This rear wiper arm uses a bolt-on attachment and a snap-in wiper end. Verify the vehicle application before installation and confirm the arm length matches the original rear wiper arm. No instruction manual is included. For best results, inspect the rear wiper blade and mounting point during replacement to ensure proper operation after installation.

Quality Assurance

Dorman designs this windshield wiper arm to match original fit and function on the specified vehicles and to provide durable, reliable performance in rear wiper service.