Mercedes-Benz A-Class W168 Bare Fuel Tank 54L A1684705301

Mercedes-Benz A-Class W168 Bare Fuel Tank 54L is an original fuel system component designed for installation in the A-Class W168 generation model. Thanks to its factory design, it ensures proper fuel storage, stable engine supply, and compatibility with factory equipment, which facilitates trouble-free replacement of a damaged tank.

Specifications and technical data

• SKU: A1684705301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1684705301
• Substitutable numbers: A1684705301, A 168 470 53 01, A1684706001, A 168 470 60 01
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented tank belongs to the Fuel tanks and filler pipes category and is designed to work with the gasoline fuel system in the Mercedes A-Class W168. It is responsible for the safe storage of fuel, maintaining the correct fluid level, and working with the pump, level sensor, and fuel lines, which translates into stable operation of the power unit.

The tank's construction is adapted to the W168 chassis architecture, ensuring that the correct mounting points, suspension geometry, and space for equipment are maintained. This allows for installation without interfering with the bodywork and without the need to modify factory brackets.

Benefits of using an original Mercedes tank

Using an original fuel tank in the Mercedes A-Class W168 provides a number of practical advantages:

• factory fit for the body and fuel system of the specific model,
• maintenance of the correct operating capacity, which facilitates range and refueling planning,
• compatibility with factory mounts, lines, and fuel filler components,
• reduced risk of leaks and fuel system venting problems.

For vehicles operated in urban and extra-urban conditions, replacing a worn or corroded tank with an original element from the same series helps restore fuel system stability and reduces the risk of leaks or air ingress.

Technical characteristics and compatibility

The fuel tank in question is intended for use with gasoline-powered engines, which is significant for the type of materials used, the design of internal chambers, and the routing of lines. This ensures that the correct operating parameters of the system are maintained, including proper conditions for the fuel pump and level sensor.

The item comes from the Mercedes brand, which means compliance with factory quality and dimension standards. The product has a dedicated OEM part number and interchangeable numbers, which facilitates compatibility verification using manufacturer identifiers, service catalogs, or the vehicle's VIN.

Condition, installation, and service application

The tank is offered in used condition, which is a beneficial solution for economic repairs when the priority is to maintain the original design while reducing costs. Before installation, a standard check of tightness, the condition of connectors and equipment sockets, and potential flushing of the interior to remove contaminants is recommended.

In workshop practice, a tank of this type is primarily used in cases of:

• mechanical damage (cracks, deformation after a collision or impact),
• advanced corrosion or leaks,
• problems with venting and recurring fuel leaks.

Thanks to the preservation of factory geometry, the installation process is similar to the manufacturer's service procedures, which shortens working time and facilitates verification of installation correctness.

Selection support and additional materials

To correctly select the tank for a specific engine version and model year, it is worth using the OEM part number, interchangeable numbers, and vehicle data. Detailed information on diagnostics and fuel system operation can be found in the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where, among other things, the selection of components by OEM numbers and typical symptoms of tank failure are described.

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 additional tanks, filler pipes, or related mounting elements, check the available parts in the Mercedes fuel tanks and filler pipes category.