URO 0015429719 Rear Window Defroster Relay

Window Defroster Relay for Mercedes-Benz

This URO window defroster relay is a direct-fit OE reproduction for select Mercedes-Benz models. It is built to restore proper electrical circuit performance when the original relay fails, helping bring back reliable rear window defogger operation in cold or damp conditions.

• Direct-fit replacement for easy plug-and-play installation
• Designed for Mercedes-Benz SL500, SL600, SL320, E300, E320, E420, E500, and other listed applications
• Built with materials selected to handle heat and cold-weather condensation
• Modern electronics help resist arcing and burnout
• Factory tested for proper performance
• 24 Month Unlimited Mileage Warranty

Detailed Product Overview

URO part number 0015429719 is a window defroster relay made for specific Mercedes-Benz Stage II 40 Amp applications and related OE-equivalent fitments. It is used in the vehicle’s electrical system to control defroster circuit operation, making it a practical replacement when the original relay no longer switches power correctly. This part number 0015429719 is also referenced for Mercedes-Benz 190E, 300CE, 300D, 300TE, 300SE, 300SEL, 350SD, 350SDL, 420SEL, and 560SEL applications where listed.

This part cross-references URO (e.g., URO-000041) for the same application.

What It Helps Fix

• Rear window defroster not turning on
• Intermittent defroster operation
• Electrical circuit failure caused by a worn relay
• Defroster performance loss in cold or humid weather
• Relay burnout from heat or electrical arcing

Installation Notes

Verify the relay part number and vehicle application before installation. This is a direct-fit OE-style replacement, so it is intended to plug into the factory location on the listed Mercedes-Benz models. Confirm Stage II and 40 Amp requirements where noted for E-Class and related applications.

Quality Assurance

URO manufactures this relay using high-quality materials and factory testing to support consistent electrical performance. The part is backed by a 24 Month Unlimited Mileage Warranty.