Vaico V30-1641 Engine Coolant Reservoir

Engine Coolant Reservoir for Mercedes-Benz

This Vaico engine coolant reservoir is a direct-fit replacement for select Mercedes-Benz CL-Class and S-Class applications. Built from plastic and supplied with a sensor, it supports coolant expansion and level monitoring in vehicles such as the Mercedes-Benz CL550, S550, and S63 AMG.

Key Features

• Vaico VAICO replacement part number V30-1641
• Engine coolant reservoir for the cooling system
• Plastic construction for OE-style fit and function
• Includes sensor provision as specified
• Measures 187 mm high, 247 mm long, and 350 mm wide
• Lightweight design at 0.676 kg

Detailed Description

VAICO focuses on OE-style replacement components for European vehicles, and this coolant reservoir is built to match the original application requirements for Mercedes-Benz cooling system service. The V30-1641 reservoir is listed with a sensor and is sized for the specified CL-Class and S-Class fitments, including Mercedes-Benz CL600, CL63 AMG, CL65 AMG, S350, S550, S600, S63 AMG, S65 AMG, and S450 applications across the model years shown. This part cross-references Mercedes-Benz 221 500 03 49 for the same application.

What This Part Helps Address

• Cracked or leaking coolant expansion tank
• Faulty coolant level sensor housing
• Loss of coolant from aged plastic reservoir material
• Cooling system service on Mercedes-Benz CL550 and S550 models
• Replacement of a reservoir that no longer seals or holds pressure properly

Installation Notes and Tips

Verify the reservoir shape, sensor provision, and mounting points against the original part before installation. Confirm the vehicle application by model year and engine configuration for Mercedes-Benz CL-Class and S-Class vehicles. Inspect connected hoses, caps, and sensor connectors during cooling system service, and refill the system with the correct coolant specification after installation.

Quality Assurance

VAICO replacement parts are developed for European vehicle applications with attention to OE-style fitment and specification matching. Part number V30-1641 is cataloged for confirmed Mercedes-Benz applications listed above, including CL550, CL600, and S550 models.