URO 1248300496 HVAC Heater Hose

Mercedes-Benz Heater Hose Replacement

This URO HVAC heater hose is a molded OE-style replacement for select Mercedes-Benz models with windshield heating. It is built for direct fitment, proper routing, and reliable coolant transfer in the heater circuit.

Compatible with 1986-1988 Mercedes-Benz 300E, 1987-1988 Mercedes-Benz 260E, 1988 Mercedes-Benz 300CE, and 1988 Mercedes-Benz 300TE. Part number 1248300496 is also referenced as URO-001021 for the same application.

Key Features

• Molded to the original heater hose shape for correct appearance and easier installation
• EPDM construction resists engine heat, ozone, and electrochemical degradation
• Helps reduce internal rubber breakdown caused by electrolysis
• Temperature rated from -40°F to 275°F (-40°C to 135°C)
• Direct-fit replacement for select Mercedes-Benz HVAC heater hose applications

Application Details

This heater hose is used in the engine-to-feed-line section of the HVAC system on select Mercedes-Benz 260E, 300E, 300CE, and 300TE models with windshield heating. The molded profile supports factory-style routing and helps maintain the original hose path in the engine bay. If you are searching for a Mercedes-Benz 300E heater hose replacement or a 1987-1988 Mercedes-Benz 260E engine to feed line hose, part number 1248300496 matches the listed applications.

Common Issues This Part Addresses

• Coolant leaks from a cracked or aged heater hose
• Softening or swelling from heat exposure
• Rubber deterioration caused by ozone and electrolysis
• Poor hose routing from a non-molded replacement
• Loss of heater circuit integrity in the engine-to-feed-line connection

Installation Notes

Verify the vehicle’s model year, engine configuration, and windshield heating setup before ordering. Compare the existing hose shape and routing to the OE-style molded profile before installation. Inspect adjoining coolant pipes, clamps, and sealing surfaces for wear or corrosion so the new hose seats correctly.

Quality Assurance

URO backs this heater hose with a 24-month unlimited mileage warranty. The EPDM material is engineered for resistance to electrochemical degradation, helping the hose maintain durability in demanding cooling-system conditions.