Mercedes Benz A B Class W169 W245 Diesel Bare Fuel Tank 50L A1694702301

Mercedes Benz A B Class W169 W245 Diesel Bare Fuel Tank 50L is an original fuel system component designed for diesel-powered vehicles. Thanks to its factory geometry and precisely matched 50-liter capacity, it ensures a stable fuel supply to the engine and proper integration with fuel system accessories. This is the ideal solution for users seeking a proven, structurally compatible fuel tank rather than universal replacements.

Specifications and technical data

• SKU: A1694702301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694702301
• Substitutable numbers: A1694702301, A 169 470 23 01, A1694700901, A 169 470 09 01, BG
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented fuel tank is part of the Fuel tanks and filler pipes category, designed specifically for Mercedes A and B-Class W169/W245 generation models with diesel engines. Its function is to safely store diesel fuel, stabilize fuel column pressure, and work in conjunction with the engine's venting and supply system.

The dedicated design for a specific vehicle platform reduces the risk of leaks, installation stress, and mounting issues often encountered with dimensionally mismatched parts. The tank is adapted for operation in typical urban and suburban driving conditions, where resistance to temperature fluctuations and vibrations transmitted from the suspension is essential.

Construction and compatibility with the Diesel system

As a component intended for Diesel fuel, the tank is made of material selected for compatibility with diesel oil and fuel additives. The shape and layout of the connection ports are optimized for the factory fuel line system, which facilitates installation and minimizes the risk of incorrect connection.

The internal geometry of the tank is adapted to work with modern diesel engine supply systems, supporting stable fuel intake at various fill levels. Properly formed internal zones help reduce fuel sloshing, which is important for pump operation and the accuracy of fuel level readings.

Benefits of using an original Mercedes fuel tank

Using an original fuel tank in a Mercedes vehicle offers a range of practical operational benefits:

• factory fitment to the chassis and mounting points, with no need for structural modifications,
• compatibility with the fuel line system and fuel filler pipe,
• maintenance of the manufacturer-designed operating capacity,
• easier diagnosis of potential leaks compared to universal solutions.

For users upgrading or repairing their fuel system, choosing such a component allows for maintaining the integrity of the entire supply system, which translates into predictable vehicle performance and a lower risk of future issues.

Condition, verification, and practical application

The offered tank is a used component, which in practice means the possibility of an economical fuel system repair while maintaining the manufacturer's original design. This type of component is particularly attractive to vehicle owners who want to keep their car in good technical condition without the need to invest in expensive new parts.

Before installation, a standard workshop procedure is recommended: checking for leaks, interior cleanliness, and the condition of the connection ports. A properly selected and prepared fuel tank supports the stable operation of the entire Diesel supply system, which is significant for the durability of both the injectors and the high-pressure pump.

Fuel system expansion and auxiliary materials

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 additional tanks, filler pipes, or return lines, check out the available parts in the Mercedes fuel tanks and filler pipes category.

When planning work on the fuel system, it is worth using technical materials describing diagnostics and maintenance. A detailed discussion of construction, selection by OEM numbers, and regeneration principles can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which can provide practical support for mechanics and informed users.