Mercedes W212 Fuel Tank Diesel OM651 Bare Fuel Tank E-Class A2124708901

Mercedes W212 Fuel Tank Diesel OM651 Bare Fuel Tank E-Class is a factory-original fuel system component, designed for precise integration with the diesel engine. As part of the Fuel tanks and filler pipes category, it ensures stable diesel storage and proper operation with the fuel system accessories. This used OEM component allows for a technically correct repair without interfering with the vehicle's structure.

Specifications and technical data

• SKU: A2124708901
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2124708601
• Substitutable numbers: A2124708601, A 212 470 86 01, A2124708901, A 212 470 89 01, BG
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The offered tank is designed to work with a diesel engine, meaning its construction is adapted to the operating parameters of an OM651 diesel unit. The component is responsible for the safe storage of fuel, stable supply to the injection system, and proper venting and vapor extraction in accordance with the manufacturer's specifications.

The OEM solution ensures:

• retention of factory geometry and mounting points,
• proper cooperation with fuel system accessories,
• adequate resistance to operational loads characteristic of the E-Class W212.

Benefits of using an original fuel tank

Using an original fuel tank in a Mercedes E-Class W212 helps maintain the integrity of the entire fuel system. Factory fitment minimizes the risk of leaks, mounting stresses, and compatibility issues with accessories. This is particularly important in modern diesel engines, where stable pressure and fuel purity have a direct impact on the durability of injectors and pumps.

The used OEM component is a cost-effective solution for accident repairs, mechanical damage to the tank, or the need for replacement due to corrosion or deformation, while ensuring the vehicle's original specifications are maintained.

Performance parameters and installation

The fuel tank has been designed for use with diesel fuel, which translates into the appropriate selection of materials and internal construction. The weight of the component is evidence of its solid build and adaptation to the loads resulting from fuel mass and road conditions.

When selecting the part, it is worth paying attention to:

• compatibility with the E-Class W212 body version,
• type of powertrain (OM651 diesel engine),
• use of appropriate mounts and accompanying accessories.

A tank selected in this way allows for installation without structural modifications, maintaining factory support points and fuel line routing.

Condition and service application

The offered tank is a used item, making it a reasonable choice for economical repairs while maintaining the manufacturer's original specifications. It is suitable for both post-accident repairs and preventive replacement in vehicles operated in demanding conditions.

Combined with properly functioning injectors, a high-pressure pump, and fuel filtration, the tank is an important element influencing engine performance and the durability of the entire fuel system.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other components from the same group, such as filler pipes, connectors, or additional mounting elements, check the available parts in the Mercedes Fuel tanks and filler pipes category.

Technical support and selection by part numbers

Selecting the correct fuel tank for a Mercedes E-Class W212 with an OM651 engine should be based on catalog data and manufacturer markings to avoid compatibility issues. It is helpful to compare the construction, layout of connectors, mounting points, and suitability for the specific fuel type.

To better understand the role of the tank in the entire fuel system and the dependencies between it, the pump, and the injectors, it is worth referring to our guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. For users considering the choice between new parts, aftermarket replacements, and used components, the article Original, aftermarket, or used – which car parts are the most cost-effective?, which discusses cost and operational differences, may also be helpful.