Fuel Pump Mercedes GLA X156 CLA C117 Diesel OM651 Fuel Tank Pump A2464700494

Fuel Pump Mercedes GLA X156 CLA C117 Diesel OM651 Fuel Tank Pump is an original fuel system component designed for OM651 diesel engines in GLA X156 and CLA C117 models. Thanks to its factory-spec design, it ensures stable power supply to the engine unit and proper operation of the entire fuel system. This is a solution for users looking for a proven, used part with maintained functionality.

Specifications and technical data

• SKU: A2464700494
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464700494
• Substitutable numbers: A2464700494, A 246 470 04 94
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The fuel tank pump in the Diesel OM651 engine is responsible for transporting diesel fuel from the tank to the subsequent components of the fuel system, maintaining the appropriate pre-pressure and flow continuity. In Mercedes GLA X156 and CLA C117 vehicles, it is a key component for proper starting, smooth engine operation, and reducing the risk of air entering the system.

As an element from the Fuel pumps and level sensors category, this pump works with other fuel system components, ensuring proper fuel dosing under various load conditions and operating temperatures of the engine unit.

Benefits of using an original Mercedes pump

Using an original fuel tank pump dedicated to Mercedes allows you to maintain the factory operating parameters of the fuel system. The most important advantages include:

• Precise fit to the fuel tank design and installation in GLA X156 and CLA C117 models.
• Correct operating characteristics for diesel engines, which promotes stable starting in cold conditions and under load.
• Reduced risk of leaks and pre-pressure problems due to compliance with factory specifications.
• Better cooperation with the engine control system compared to generic replacements.

For users who value trouble-free operation of the fuel system, choosing an original pump is a technically safe and predictable solution.

Operating characteristics in a diesel engine

In diesel units such as the OM651, the fuel tank pump operates under demanding conditions – with variable loads, varying fuel quality, and a wide temperature range. A properly selected component:

• ensures a continuous supply of fuel to the high-pressure system,
• stabilizes engine operation at idle and during rapid acceleration,
• reduces the risk of power drops resulting from insufficient fuel supply.

The correct fuel tank pump has a direct impact on engine refinement, fuel consumption, and the durability of other fuel system components.

Condition, verification, and selection based on technical data

The offered pump comes from a Mercedes vehicle and is a used part, which allows for economical repair while maintaining the original design. Before installation, it is recommended to verify compatibility with the specific vehicle version, particularly regarding the engine type, model year, and fuel system configuration.

It is worth basing the selection of parts on the vehicle's technical data and manufacturer markings, which minimizes the risk of incorrect fitment and facilitates installation in the existing fuel system.

Technical support and additional resources

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Mercedes and need other elements from the same group, such as pre-pumps, power modules, or fuel level sensors, check the available parts in the Mercedes fuel pumps and level sensors category.

When working with fuel system components and control electronics, it is worth paying attention to selecting components according to manufacturer markings and hardware/software compatibility – this is discussed in more detail in the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?