Fuel Tank Mercedes W211 W219 Diesel Complete Fuel Tank 80L A2114701102

Visual condition of the part

The product shows signs of use visible in the photos.

Fuel Tank Mercedes W211 W219 Diesel Complete Fuel Tank 80L is an original fuel system component designed for Mercedes diesel engine vehicles. The tank provides the appropriate operating capacity, stable fuel supply to the power unit, and safe storage of diesel fuel during daily operation. This is a solution for users looking for a proven component with factory geometry and a perfect fit for the chassis structure.

Specifications and technical data

• SKU: A2114701102-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114701102
• Substitutable numbers: A2114701102, A 211 470 11 02, A2114705894, A 211 470 58 94, A2114701641, A 211 470 16 41, A2114704601, A 211 470 46 01
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The fuel tank in Mercedes E-Class (W211) and CLS (W219) diesel models is responsible for the safe storage of fuel and its stable delivery to the fuel system. The design is adapted for use with diesel fuel, which reduces the risk of internal corrosion and unwanted chemical reactions. The properly selected capacity allows for comfortable long-distance travel without the need for frequent refueling.

The component belongs to the Fuel tanks and filler pipes group, allowing it to work with lines, venting, and the filler system to create a cohesive and leak-proof system. Factory-standard fitment to the body facilitates installation and ensures proper routing of fuel lines and fuel level sensors.

Construction and performance parameters

The tank has been specifically designed for use with Diesel fuel, which is important for the material's resistance to long-term contact with diesel oil. The construction includes appropriate chambers and baffles to limit fuel sloshing while driving, which promotes stable operation of the pump and injectors. The specific weight of the component is a result of the material used and structural reinforcements that improve rigidity and resistance to mechanical damage.

The presence of dedicated mounting points and locations for accessories (such as fuel level sensors or connection ports – depending on the specific vehicle configuration) allows for maintaining the original fuel system layout. As a result, after replacing the tank, the system retains its factory operating parameters and tightness.

Condition, selection, and installation

The offered fuel tank is an aftermarket component, which allows for reduced repair costs while maintaining the original design and fit for the Mercedes chassis. It is recommended to base the selection of the part on the vehicle manufacturer's markings and catalog data, which minimizes the risk of incompatibility with a specific body version or fuel system.

Before installation, it is recommended to:

• verify the tightness and condition of the connection ports,
• check compatibility with the existing fuel system and accessories,
• use new gaskets and clamps at the connection points of the lines.

Professional installation in a specialized service center ensures operational safety and the proper functioning of the entire fuel system, especially in vehicles with advanced fuel injection systems.

Benefits of using an original diesel tank

Using a dedicated fuel tank in a Mercedes W211 or W219 brings a number of practical benefits:

• Factory fit – maintaining original mounting points and fuel system routing.
• Adapted for Diesel fuel – material and construction optimized for diesel oil.
• Stable engine supply – the appropriate interior geometry of the tank limits fuel supply interruptions at low levels.
• Economical repair option – using a used OEM component allows for lower service costs compared to a new part.

For users who want to better understand the operation of the entire fuel system, diagnostics, and component selection based on manufacturer markings, the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the role of the tank in the stable operation of a diesel engine, will be useful.

If you are interested in the broader economic context of using aftermarket components and want to optimize service costs, it is worth reading the material Rising repair costs and the boom in used parts – how to save on car service?, which describes how to consciously choose used OEM elements.

Related Mercedes fuel system components

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