Dorman OE Solutions Engine Coolant Reservoir for 2003-2018 Mercedes-Benz 603-254

Pressurized coolant reservoir for 2003 to 2018 Mercedes-Benz models designed to replace cracked or leaking factory expansion tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials capable of withstanding underhood heat and engine vibration while maintaining a precise direct fit.

Key Features

• Engineered to match the original equipment form, fit, and function
• Constructed from durable materials to resist heat stress and vibration
• Direct replacement for specific Mercedes-Benz applications
• Validated through testing to ensure dependable performance
• Backed by Dorman's century of automotive aftermarket experience

Benefits

• Restores proper cooling system pressure to prevent overheating
• Eliminates leaks caused by cracked or failed factory reservoirs
• Reduces the risk of repeat repairs with robust construction
• Ensures a smoother installation with no modifications required
• Provides long-lasting reliability for daily driving demands

Application

Ideal for Mercedes-Benz owners experiencing coolant loss, visible cracks in the expansion tank, or recurring overheating issues who need a trustworthy OE-style replacement.

Fitment Notes

• Compatible with select 2003-2018 Mercedes-Benz vehicles
• Replaces OEM part number 2215000349
• Verify vehicle compatibility before purchase to ensure proper fit

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving
• Offers a smart way to restore your vehicle with confidence and reduce repair risks

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• Length: 15.1 inches
• Width: 11.5 inches
• Height: 7.8 inches
• Weight: 3.0 lbs