Mercedes Benz A B Class W169 W245 Petrol Bare Fuel Tank 50L A1694701701

Mercedes Benz A B Class W169 W245 Petrol Bare Fuel Tank 50L is an original, used fuel system component designed for installation in Mercedes vehicles with petrol engines. Thanks to its factory design, it ensures proper fuel storage and stable operation with the fuel pump, lines, and fuel system accessories. This is a solution for users looking for a technically matched tank instead of random replacements.

Specifications and technical data

• SKU: A1694701901
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694701901
• Substitutable numbers: A1694701701, A 169 470 17 01, A1694701901, A 169 470 19 01, BG
• Weight: 150
• 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 structurally adapted to Mercedes A-Class and B-Class W169/W245 generation models with petrol engines. Its task is to safely store fuel, maintain the appropriate level in the chambers, and work with the engine's ventilation and fuel supply system.

The geometry of the tank is matched to the chassis of these models, which facilitates installation at factory mounting points and allows for maintaining proper ground clearance and vehicle stability. The design intended for petrol fuel supports the correct operation of the pump, filters, and lines, reducing the risk of airlocks and fuel supply problems at low fuel levels.

Benefits of using an original tank

Using an original fuel tank in a Mercedes A/B-Class W169 W245 allows you to maintain the parameters specified by the vehicle manufacturer. This means:

• factory fit for mounts and underbody covers,
• compatibility with the fuel line and filler pipe system,
• proper cooperation with the ventilation and diagnostic system,
• stable operating conditions for the fuel pump across various fill levels.

For the user, this translates into predictable fuel system behavior, reduced installation issues, and a lower risk of leaks compared to random replacements with uncertain geometry.

Condition, verification, and OEM matching

The item comes from disassembly and is offered as a used part, which allows for combining reasonable cost with the preservation of the original design. The tank has manufacturer markings, which facilitates verification of compatibility by OEM number and matching to a specific body and engine version within the W169/W245 series.

Before purchasing, it is worth comparing the markings with the vehicle documentation or using parts selection catalogs to confirm compatibility with your specific car configuration. This minimizes the risk of mismatching connectors, brackets, or accessory mounting points.

Technical support and educational materials

If you want to better understand the role of the tank in the entire fuel system, leak diagnostics, and the principles of selecting components by OEM numbers, the following article will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips there regarding operation and typical signs of wear.

Purchasing a used fuel tank is also a way to reduce the consumption of raw materials and energy in the automotive industry. If you are interested in the environmental aspect and want to know how parts from disassembly affect the carbon footprint, see the material: Sustainable automotive: How buying original used parts reduces the carbon footprint and protects the environment?.

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