Genuine 2115000372 Engine Coolant Reservoir Hose - Expansion Tank To Radiator or Lower

Engine Coolant Reservoir Hose for Mercedes-Benz

This Genuine engine coolant reservoir hose is a direct-fit cooling system replacement for select Mercedes-Benz models with Code 917 and PZEV emissions. It connects the expansion tank to the radiator or serves as the lower coolant hose application, depending on vehicle configuration.

Key Features

• Genuine replacement part for cooling system service
• Part number 2115000372 for accurate ordering and identification
• Fits Mercedes-Benz CLS550, E350, E550, and CLS500 applications listed below
• Used in expansion tank to radiator and lower hose positions
• Built for vehicles with Code 917 and PZEV emissions

Fitment Details

• Fits 2007-2011 Mercedes-Benz CLS550, Expansion Tank To Radiator, Code 917; w/ PZEV Emissions
• Fits 2007-2011 Mercedes-Benz CLS550, Lower, Code 917; w/ PZEV Emissions
• Fits 2006-2009 Mercedes-Benz E350, Expansion Tank To Radiator, Code 917; w/ PZEV Emissions
• Fits 2006-2009 Mercedes-Benz E350, Lower, Code 917; w/ PZEV Emissions
• Fits 2007-2009 Mercedes-Benz E550, Expansion Tank To Radiator, Code 917; w/ PZEV Emissions
• Fits 2007-2009 Mercedes-Benz E550, Lower, Code 917; w/ PZEV Emissions
• Fits 2006 Mercedes-Benz CLS500, Expansion Tank To Radiator, Code 917; w/ PZEV Emissions
• Fits 2006 Mercedes-Benz CLS500, Lower, Code 917; w/ PZEV Emissions

What This Hose Helps Address

• Coolant seepage at a cracked or aged hose
• Loss of coolant between the expansion tank and radiator
• Soft, swollen, or brittle hose material from heat cycling
• Cooling system leaks that trigger low coolant warnings
• Service replacement for Mercedes-Benz CLS550, E350, E550, and CLS500 cooling circuits

Installation Notes and Tips

Verify the vehicle’s emissions code and hose position before ordering. Match the existing routing on the Mercedes-Benz CLS550, E350, E550, or CLS500 to confirm whether the application is the expansion tank to radiator hose or the lower hose. Inspect adjoining clamps, fittings, and coolant condition during installation, and refill the cooling system with the correct specification coolant after replacement.

Quality Assurance

Genuine OE replacement part number 2115000372 is specified for the listed Mercedes-Benz applications and supports accurate fitment selection for Code 917 PZEV vehicles.