Genuine 2045000749 Engine Coolant Reservoir

Engine Coolant Reservoir for Mercedes-Benz Applications

This Genuine engine coolant reservoir is a direct-fit replacement for select Mercedes-Benz models that use part number 2045000749. It is built for vehicles that need a reliable coolant expansion tank to maintain proper system volume and pressure.

Key Features

• Genuine replacement engine coolant reservoir
• Part number 2045000749
• Fits select Mercedes-Benz CLS550, C250, C300, C350, E250, E350, GLK250, and GLK350 applications
• OE-style fitment for cooling system service and repair
• Compatible with 2008-2015 Mercedes-Benz models listed below

Detailed Description

Use this coolant reservoir when servicing a leaking, cracked, or discolored expansion tank on Mercedes-Benz cooling systems. Fits 2012-2015 Mercedes-Benz CLS550, 2012-2014 Mercedes-Benz C250, 2008-2014 Mercedes-Benz C300, 2008-2014 Mercedes-Benz C350, 2014 Mercedes-Benz E250, 2010-2014 Mercedes-Benz E350, 2013-2014 Mercedes-Benz GLK250, and 2010-2014 Mercedes-Benz GLK350. The Genuine 2045000749 reservoir supports proper coolant recovery and helps keep the cooling system operating at the correct level during normal engine heat cycles.

What It Helps Address

• Coolant loss from a cracked or leaking reservoir
• Low coolant level warnings caused by tank failure
• Overflow or recovery issues in the cooling system
• Visible coolant staining around the expansion tank area
• Replacement during radiator or thermostat service

Installation Notes and Tips

Confirm the part number 2045000749 and match the vehicle application before installation. Inspect hoses, caps, and mounting points for wear while the cooling system is open. After installation, refill the system with the correct coolant specification and bleed air from the system according to Mercedes-Benz service procedures.

Quality Assurance

Genuine parts are selected for OE-style application accuracy and consistent fitment on the listed Mercedes-Benz models. This part cross-references OE-style replacement applications for the same vehicle fitment.