Used Mercedes-Benz Fuel ECUs

All used Mercedes-Benz Fuel ECUs listed on Breakeryard.com are tested, original (OEM) manufacturer parts and come with a 14 day money back guarantee. Breakeryard.com list used car parts for Mercedes-Benz are from premium breaker yards from across the UK, saving you up to 80% compared to main dealer prices.

About Fuel ECUs

The fuel ECU (Electronic Control Unit) is a computerised control unit that manages and regulates the fuel system and engine performance and efficiency. 

It is the job of the Mercedes-Benz fuel ECU to ensure that the fuel engine is operating correctly and all parts of the fuel system are performing properly in accordance with the engine. It does this by monitoring the functions of the engine and other vehicle components to make sure that the correct amount of fuel is distributed to perform their tasks. Based on information received from a range of clever engine sensors, the fuel ECU adjusts the vehicle performance by controlling the operation of a series of valves, switches, actuators, sensors and motors.

Usually the Mercedes-Benz fuel ECU is situated within the dashboard or engine bay. 

The control unit also performs various tests on the vehicles sensors to make sure that they are operating correctly. If the Mercedes-Benz fuel ECU finds an error, it will store the data so that it can be referred back to and rectified by the vehicle owner or a reputable mechanic. It is often possible to read or interrogate your cars ECU using a laptop computer with relevant software and cable or a dedicated reader via a connection port which is usually located in the dashboard. This method is used by mechanics for diagnosis of engine faults. 

Like any electronic component, the fuel ECU can fail for a number of reasons including short circuits, dry solder joints, water damage or age. Diagnosis is generally much easier with the correct reader which can be used to obtain error codes from the ECU. Bad data from failed or degraded sensors are also common cause of ECU related faults. A failing fuel ECU can manifest with various symptoms, the most serious of which would be the vehicle failing to start. Drops in fuel efficiency, vehicle jerking, transmission problems or issues in changing gears can also be put down to a faulty fuel ECU as it controls a large amount of processes in the vehicle. When you need to replace this vital component, a good quality Mercedes-Benz fuel ECU will provide a part that is compatible with the make and model of your vehicle.

Mercedes-Benz trivia

  • Most people think of silver when they think of a Mercedes, but that iconic colour was an accident. Just before a race in 1934, the white-painted W25 was found to be 1kg over the weight limit. The paint was quickly removed, the weight limit reached, and the car won the race.
  • If you thought self-driving cars were all about Tesla, then it might surprise you to know that Mercedes Benz made an autonomously driving vehicle as early as 1995. It didn't gain popularity, but it became the foundation of the modern driving technology found in every Mercedes Benz.
  • Karl Benz obviously gave his name to the company, but the Mercedes part of the name comes from the daughter of his customer and friend, Emil Jellinek. Her name was (obviously) Mercedes, and it's still surprising that her name remains so attached to the iconic car brand.
  • That new car smell is always a delight, but a Mercedes owner gets to choose that smell. Perfume specialist Marc vom Ende created four different car smells for Mercedes Benz, called Sports Mood, Freeside Mood, Downtown Mood, and Nightlife Mood. They all smell a bit leathery.
  • Mercedes Benz cars have always been a big part of the Jurassic Park films, but the first movie went all out, with the stars emerging from a red Mercedes GLE Coupe before walking down the red carpet. Mercedes cars are also used throughout the film franchise.