Vaico V30-1640 Engine Coolant Reservoir - Auxiliary

Engine Coolant Reservoir for Mercedes-Benz

This Vaico engine coolant reservoir is a plastic replacement tank for select Mercedes-Benz applications. Built to match the listed dimensions and OE-style fitment, it supports proper coolant expansion and recovery in the cooling system.

• Brand: VAICO
• Part number: V30-1640
• Material: plastic
• Dimensions: 275 mm length, 156 mm width, 240 mm height
• Weight: 0.500 kg
• Fits Mercedes-Benz E250, E300, E350, E400, E550, C250, C300, C350, GLK250, GLK350, and CLS550 applications listed below

Product Details

VAICO V30-1640 is an engine coolant reservoir made from plastic and sized for the specified Mercedes-Benz cooling system applications. The reservoir is used to store excess coolant as the engine heats up and returns it to the system as temperatures normalize, helping maintain stable coolant volume in daily driving and under load. This part cross-references OE-style numbers 204 500 00 49 and A 204 500 00 49 for the same application.

Vehicle Fitment

• Fits 2014-2016 Mercedes-Benz E250, N/A
• Fits 2015-2016 Mercedes-Benz E300, N/A
• Fits 2012-2013 Mercedes-Benz E300, N/A
• Fits 2010-2016 Mercedes-Benz E350, N/A
• Fits 2015-2016 Mercedes-Benz E400, N/A
• Fits 2012-2016 Mercedes-Benz E550, Auxiliary
• Fits 2012-2015 Mercedes-Benz C250, N/A
• Fits 2012-2015 Mercedes-Benz C350, N/A
• Fits 2013-2015 Mercedes-Benz GLK250, N/A
• Fits 2013-2015 Mercedes-Benz GLK350, N/A
• Fits 2013-2014 Mercedes-Benz C300, N/A
• Fits 2013 Mercedes-Benz CLS550, Auxiliary

Common Replacement Reasons

• Cracked or brittle coolant reservoir plastic
• Coolant leaks at the tank body or seams
• Low coolant warnings caused by reservoir failure
• Discoloration, warping, or age-related tank deterioration
• Loss of coolant volume control during heat cycling

Installation Notes

Verify the reservoir dimensions, mounting points, and OE reference numbers before installation. Inspect the cap, hoses, and surrounding cooling components for wear or leakage so the replacement tank can function correctly after service. Confirm the vehicle listing by model year and position, especially on Auxiliary applications.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicles, and this coolant reservoir is built to the listed specifications for the confirmed Mercedes-Benz applications. Part number V30-1640 should be matched to the vehicle’s cooling system configuration before installation.