URO 2124710575 Diesel Exhaust Fluid (DEF) Heater

Mercedes-Benz DEF Heater Replacement

This URO Diesel Exhaust Fluid (DEF) heater is a direct-fit emission control component for Mercedes-Benz diesel applications. It is built to match factory heater function and performance so the aftertreatment system can operate as intended. Part number 2124710575 is used on select Mercedes-Benz E250 and E350 models.

Key Features

• Guaranteed fitment for the listed Mercedes-Benz applications
• Matches factory DEF heater function and performance
• Supports proper aftertreatment system operation
• Manufactured with quality materials for durability and reliability
• Black hose color
• Female hose ends on both sides
• No mounting hardware included
• 24-month unlimited mileage warranty

Detailed Description

URO part number 2124710575 is a Diesel Exhaust Fluid heater designed for emission control service on Mercedes-Benz diesel vehicles. It is a direct replacement for the factory DEF heater and is intended to restore normal DEF heating performance so the aftertreatment system can function correctly. This part fits 2014-2016 Mercedes-Benz E250 and 2011-2013 Mercedes-Benz E350, making it a practical choice when replacing a failed DEF heater on these applications. This part cross-references 5D9009L and F-01C-600-241 for the same application.

Common Issues It May Resolve

• DEF heater fault codes related to fluid temperature control
• Reduced aftertreatment system performance from a failed heater
• Cold-weather DEF flow issues caused by heater malfunction
• Check engine lights tied to emission control heater failure
• Improper DEF system operation on Mercedes-Benz E250 and E350 diesel models

Installation Notes and Tips

Verify vehicle fitment before installation by matching the part number 2124710575 to the original component. Inspect hose connections and surrounding DEF system components for wear, contamination, or damage before installing the replacement heater. Because mounting hardware is not included, reuse or source the required hardware as needed for the specific vehicle application. Confirm all connections are secure and clear any stored fault codes after installation if required by the vehicle.

Quality Assurance

URO manufactures this DEF heater using quality materials and factory testing to support durability and reliability. It is backed by a 24-month unlimited mileage warranty.