HomeBelts and Cooling > Radiators, Coolers and Related ComponentsGenuine 2115000372 Engine Coolant Reservoir Hose - Expansion Tank To Radiator or Lower
Part #: 2115000372

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

Expansion Tank To Radiator
⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, CLS550, E350, E550, and CLS500
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Engine Coolant Reservoir Hose for Mercedes-Benz Vehicles

The Genuine engine coolant reservoir hose, part number 2115000372, is designed specifically for select Mercedes-Benz models including the CLS500, CLS550, E350, and E550. This component ensures proper coolant flow and system integrity for optimal engine performance.

  • Compatible with Mercedes-Benz CLS500, CLS550, E350, and E550 models
  • Genuine part number 2115000372 for precise fitment
  • Engine coolant reservoir hose designed to maintain coolant circulation
  • Durable construction to withstand engine heat and pressure
  • OEM quality ensuring reliable performance and longevity

Product Details and Compatibility

This engine coolant reservoir hose is engineered to meet the exact specifications required by Mercedes-Benz for the CLS500, CLS550, E350, and E550 models. The Genuine part number 2115000372 guarantees a direct replacement that fits seamlessly with the vehicle’s cooling system. Proper coolant flow is critical to prevent overheating and maintain engine efficiency, and this hose plays a key role in that process by connecting the coolant reservoir to the engine cooling system.

Common Applications and Problem Resolution

  • Replaces cracked or leaking coolant reservoir hoses
  • Prevents coolant loss and engine overheating
  • Addresses coolant system pressure issues
  • Restores proper coolant circulation in Mercedes-Benz CLS and E-Class models
  • Eliminates coolant contamination caused by hose deterioration

Installation Notes and Tips

Installation of the Genuine 2115000372 engine coolant reservoir hose should be performed with the engine cool to avoid burns. Ensure all clamps and connections are securely tightened to prevent leaks. It is recommended to inspect the entire cooling system during installation to identify any additional worn components. Using OEM parts like this hose helps maintain the integrity of the Mercedes-Benz cooling system.

Quality Assurance and Warranty

As a Genuine Mercedes-Benz replacement part, the 2115000372 engine coolant reservoir hose meets strict quality standards for durability and performance. This part is manufactured to OEM specifications, ensuring compatibility and reliability. Warranty coverage details should be confirmed with the parts provider, but Genuine parts typically come with manufacturer-backed warranties to protect against defects.

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2011Mercedes-BenzCLS550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2011Mercedes-BenzCLS550LowerCode 917; w/ PZEV Emissions
2010Mercedes-BenzCLS550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2010Mercedes-BenzCLS550LowerCode 917; w/ PZEV Emissions
2009Mercedes-BenzCLS550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2009Mercedes-BenzCLS550LowerCode 917; w/ PZEV Emissions
2009Mercedes-BenzE350Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2009Mercedes-BenzE350LowerCode 917; w/ PZEV Emissions
2009Mercedes-BenzE550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2009Mercedes-BenzE550LowerCode 917; w/ PZEV Emissions
2008Mercedes-BenzCLS550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2008Mercedes-BenzCLS550LowerCode 917; w/ PZEV Emissions
2008Mercedes-BenzE350Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2008Mercedes-BenzE350LowerCode 917; w/ PZEV Emissions
2008Mercedes-BenzE550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2008Mercedes-BenzE550LowerCode 917; w/ PZEV Emissions
2007Mercedes-BenzCLS550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2007Mercedes-BenzCLS550LowerCode 917; w/ PZEV Emissions
2007Mercedes-BenzE350Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2007Mercedes-BenzE350LowerCode 917; w/ PZEV Emissions
2007Mercedes-BenzE550Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2007Mercedes-BenzE550LowerCode 917; w/ PZEV Emissions
2006Mercedes-BenzCLS500Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2006Mercedes-BenzCLS500LowerCode 917; w/ PZEV Emissions
2006Mercedes-BenzE350Expansion Tank To RadiatorCode 917; w/ PZEV Emissions
2006Mercedes-BenzE350LowerCode 917; w/ PZEV Emissions

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.