Fuel pump control module A2129000306

Description

Fuel pump control module by MERCEDES, catalog number A2129000306. Confirmed catalog fitment: Mercedes-Benz C-Class W204 (2007–2014). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

FUEL PUMP CONTROL MODULE. The fuel pump control module is an electronic component of the engine fuel system designed to regulate the operation of the electric fuel pump according to engine load, speed and fuel pressure requirements. It ensures stable fuel delivery to the fuel rail, maintaining optimal pressure for proper injector performance and air-fuel mixture formation. In modern vehicles, the module often controls pump speed via pulse-width modulation (PWM), improving efficiency and reducing system load. The unit consists of a circuit board, power transistors, electrical connectors and a housing protected against moisture and vibration. Failure may result in hard starting, unstable idle, power loss, hesitation during acceleration or complete fuel pump shutdown. Diagnostic fault codes related to the fuel system, module overheating or signal disruption may also occur. Causes include failed power components, corroded connectors, wiring damage or software malfunction. Our catalog includes genuine OEM fuel pump control modules, quality aftermarket replacements and tested used units without overheating marks or housing damage. Used modules are inspected for functional performance, connector integrity and proper control signal output. Selection is based on VIN number, engine type, fuel system configuration and part number. Programming or adaptation may be required after installation. Timely replacement ensures stable fuel supply and reliable engine operation.

Compatibility

Fits 1 vehicles

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About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

Fuel pump control module by MERCEDES, catalog number A2129000306, is listed for vehicle repair or maintenance. The catalog identifies the item as “Fuel pump control module”. Confirmed catalog fitment: Mercedes-Benz C-Class W204 (2007–2014). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A2129000306 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. Before purchase, compare identification and appearance with the old part and verify compatibility by VIN.

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