The Mercedes W202 W203 W210 OM611 Fuel Rail is a fuel system component designed for OM611 diesel engines, mounted at the front of the engine bay. It is responsible for the stable distribution of fuel to the injectors, which is crucial for the engine's smooth operation and durability.
Specifications and technical data
- SKU: A6110700095
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6110700095
- Substitutable numbers: A6110700095, A 611 070 00 95, BG
- Location on the vehicle: Front
- Category: Fuel Injectors
Application and Function of the OM611 Fuel Rail
The fuel rail in the OM611 engine acts as a common fuel manifold, maintaining proper pressure and evenly distributing fuel to individual injectors. In Mercedes C-Class W202 and W203, and E-Class W210 vehicles, a properly functioning fuel rail directly impacts:
- stable engine operation across the entire RPM range,
- precise fuel metering by the injectors,
- reduction of vibrations and uneven engine running,
- maintenance of correct combustion parameters in a diesel engine.
Its placement at the front of the vehicle facilitates service access and diagnostics of the injection system, which is important for the maintenance of vehicles with OM611 engines.
Category: Injector Nozzles and Related Accessories
The presented component belongs to the injector nozzles category, which includes sub-assemblies directly related to the precise delivery of fuel into the combustion chamber. In practice, the fuel rail works in conjunction with injectors, the high-pressure pump, and pressure sensors, forming a cohesive common rail system. Replacing the fuel rail is recommended, among other things, when:
- fuel system leaks are detected,
- there are problems with maintaining fuel pressure,
- diagnostics indicate improper operation of the fuel manifold.
For users looking for other components in the Mercedes injector nozzles category, a dedicated sub-page has been prepared – check the available Mercedes injector nozzles and select accessories for your model.
Benefits of Using an Original Mercedes Fuel Rail
Choosing a fuel rail compatible with the OM611 engine and W202, W203, and W210 platforms allows for the preservation of the engine's factory operating parameters. The main advantages of using a properly selected component include:
- maintaining compatibility with the injection system used in OM611 engines,
- proper cooperation with sensors and injectors in the common rail system,
- reducing the risk of failures resulting from leaks or fuel pressure drops,
- maintaining appropriate driving dynamics and fuel economy in Mercedes C-Class and E-Class vehicles.
A component from this group is particularly important in vehicles subjected to intensive use, where the stability of the fuel system directly affects engine longevity and driving comfort.
Condition, Selection, and Installation of the Fuel Rail
The offered fuel rail is a used part, allowing for an economical restoration of the injection system's functionality while maintaining proper fitment for the specific engine and body style. Before installation, standard workshop procedures are recommended, including checking the fuel system for leaks and verifying injector operation.
To better understand how fuel system problems manifest in diesel engines, it is worth consulting the guide: Diesel Injector Faults – How to Recognize Them and What Their Neglect Entails. This will help you more quickly associate symptoms with the potential need to replace components such as the fuel rail or the injectors themselves.
How to Consciously Choose Used Fuel System Components
When choosing a used fuel rail for a Mercedes, pay attention to compatibility with the engine designation and body platform. Conscious selection of used parts allows for optimizing service costs while maintaining appropriate quality and fitment. Differences between original parts, aftermarket alternatives, and used components are discussed in more detail in the article: Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?, which may be helpful when planning an injection system repair for your Mercedes.
