Vaico V30-2745 Engine Coolant Reservoir

Engine Coolant Reservoir for Mercedes-Benz

The Vaico V30-2745 engine coolant reservoir is built for select Mercedes-Benz applications that require a direct-fit replacement for the factory expansion tank. With dimensions of 285 mm length, 150 mm width, and 175 mm height, this reservoir is sized to match the original cooling system layout on covered vehicles.

VAICO product line components are developed for European vehicle service needs, with attention to OE-style fit and application-specific replacement requirements. This part number, V30-2745, is listed for Mercedes-Benz B250, CLA250, CLA45 AMG, GLA250, and GLA45 AMG model years shown below.

Key Features

• Engine coolant reservoir for the cooling system
• Dimensions: 285 mm length, 150 mm width, 175 mm height
• Lightweight construction at 0.510 kg
• OE-style replacement for select Mercedes-Benz models
• Cross-reference part number: 246 500 00 49
• Cross-reference part number: A 246 500 00 49

Detailed Description

Vaico V30-2745 is an engine coolant reservoir for Mercedes-Benz vehicles that use the listed factory-style cooling system configuration. It is a practical replacement choice when the original reservoir is cracked, leaking, discolored, or no longer holding proper coolant level. The part number V30-2745 is associated with select B-Class, CLA-Class, and GLA-Class applications, including Mercedes-Benz B250, CLA250, CLA45 AMG, GLA250, and GLA45 AMG.

Compatible With 2013-2017 Mercedes-Benz B250, N/A; 2014-2017 Mercedes-Benz CLA250, N/A; 2014-2017 Mercedes-Benz CLA45 AMG, N/A; 2015-2017 Mercedes-Benz GLA250, N/A; and 2015-2017 Mercedes-Benz GLA45 AMG, N/A. Confirm the reservoir shape, mounting points, and hose connections against the original part before installation. V30-2745 is the reference to use when searching for a Mercedes-Benz coolant expansion tank replacement by part number.

What It Helps Address

• Coolant loss from a cracked or leaking reservoir
• Low coolant level warnings caused by reservoir failure
• Visible coolant staining around the expansion tank
• Heat-related cooling system concerns tied to a damaged tank
• Replacement needs after plastic aging or impact damage

Installation Notes and Tips

Drain and depressurize the cooling system before removing the old reservoir. Transfer any required sensors, caps, or hoses only if they are reused from the original assembly and confirmed by the vehicle setup. After installation, refill with the correct coolant specification for the vehicle and bleed the system according to Mercedes-Benz service procedures to remove trapped air.

Quality Assurance

This Vaico coolant reservoir is cataloged for direct application matching on the listed Mercedes-Benz models. The part number V30-2745 and OE cross-reference numbers 246 500 00 49 and A 246 500 00 49 help verify the correct replacement during parts lookup and service ordering.