Genuine 2115000049 Engine Coolant Reservoir

Engine Coolant Reservoir for Mercedes-Benz

This Genuine engine coolant reservoir is a direct-fit replacement for select Mercedes-Benz E-Class and CLS models. It is built for vehicles that need a dependable coolant expansion tank to maintain proper system volume and pressure.

Key Features

• Genuine replacement part for factory-style fit and function

• Engine coolant reservoir for the cooling system

• Fits 2003-2009 Mercedes-Benz E320

• Fits 2006-2009 Mercedes-Benz E350

• Fits 2007-2009 Mercedes-Benz E550

• Fits 2007-2009 Mercedes-Benz E63 AMG

• Fits 2003-2006 Mercedes-Benz E500

• Fits 2003-2006 Mercedes-Benz E55 AMG

• Fits 2006 Mercedes-Benz CLS500

• Fits 2006 Mercedes-Benz CLS55 AMG

• Fits 2007-2011 Mercedes-Benz CLS550

• Fits 2007-2011 Mercedes-Benz CLS63 AMG

Detailed Description

Part number 2115000049 is an engine coolant reservoir for Mercedes-Benz applications that use a separate expansion tank in the cooling system. It is selected for drivers replacing a cracked, leaking, or discolored reservoir on E-Class and CLS vehicles, including Mercedes-Benz E320, E350, E500, E550, E55 AMG, E63 AMG, CLS500, CLS55 AMG, CLS550, and CLS63 AMG models. Use part number 2115000049 when you need a direct replacement that matches the original vehicle application.

Common Uses

• Replacing a coolant reservoir with visible cracks or seam failure

• Addressing coolant loss from a leaking expansion tank

• Restoring proper coolant level monitoring

• Correcting overflow or venting issues tied to a damaged reservoir

• Servicing a worn cooling system component on Mercedes-Benz E-Class or CLS models

Installation Notes and Tips