Rein CHE0977 Engine Coolant Hose - Expansion Tank (Upper)

Engine Coolant Hose Overview

The Rein CHE0977 engine coolant hose is a direct replacement for the original hose assembly used in select Mercedes-Benz cooling systems. It is built for the expansion tank upper connection and follows the OE size, shape, and quick-connect design for a precise service replacement.

• Direct replacement coolant hose for OE-style service
• Thermoplastic quick-connect fittings for factory-style connection points
• Black hose finish for a clean underhood appearance
• Built to match the original hose geometry and branch layout

Fitment Details

Compatible with Mercedes-Benz C300, E350, GLC300, GLC350e, E300, and C350e applications listed below. Fits 2015-2023 Mercedes-Benz C300, expansion tank (upper). Fits 2020-2023 Mercedes-Benz E350, expansion tank (upper). Fits 2016-2023 Mercedes-Benz GLC300, expansion tank (upper). Fits 2018-2020 Mercedes-Benz GLC350e, expansion tank (upper). Fits 2018-2019 Mercedes-Benz E300, expansion tank (upper). Fits 2016-2018 Mercedes-Benz C350e, expansion tank (upper). Fits 2017 Mercedes-Benz E300, expansion tank (upper), from VIN A230240.

What This Hose Helps Address

• Cracked or aged coolant hose material
• Leaking expansion tank upper hose connection
• Loose or worn quick-connect fitment
• Cooling system service on OE-style assemblies

Installation Notes

Verify the vehicle’s VIN and cooling system configuration before ordering, especially for the 2017 E300 application with the VIN break noted above. Confirm the hose routing and connector style against the removed part to ensure the correct Mercedes-Benz C300, E350, or GLC300 application.

Quality Assurance

Rein Automotive positions this hose as an OE-quality replacement for European vehicles, with dimensions and connector design intended to match the original part. Part number CHE0977 also cross-references 2055015301 for the same application.