Mercedes W168 W202 W210 OM611 OM668 High Pressure Fuel Pump A6110700501

Mercedes W168 W202 W210 OM611 OM668 High Pressure Fuel Pump is a specialized fuel system component designed for installation in the front part of the vehicle. It is responsible for the precise delivery of fuel to the injection system, which is crucial for the stable operation of OM611 and OM668 engines. This is a solution for users looking for a proven, factory-fitted high pressure fuel pump for Mercedes W168, W202, and W210 models.

Specifications and technical data

• SKU: A6110700501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6110700501
• Substitutable numbers: A6110700501, A 611 070 05 01
• Location on the vehicle: Front
• Category: Fuel Pumps & Sending Units

Purpose and compatibility

The described high pressure fuel pump has been designed for Mercedes diesel engines from the OM611 and OM668 families, used in models such as the W168, W202, and W210. The design, intended for mounting in the front part of the engine unit, ensures proper routing of fuel lines and correct cooperation with engine accessories. As a result, this component is suitable for users who want to maintain the original fuel system architecture without the need for modifications.

Technical and functional characteristics

The pump belongs to the Fuel pumps and level sensors group, which means it is responsible for generating the appropriate pressure and providing stable supply to the fuel rail. The precise operation of this component translates into:

• even fuel dosing to the injectors,
• stable engine operation across the entire rev range,
• correct engine starting in both cold and warm conditions,
• maintaining combustion parameters at the levels specified by the manufacturer.

Its location in the front of the vehicle facilitates easier service access, which simplifies diagnostics and potential installation work. For workshops and users, this means shorter replacement times and a more predictable service process.

Application in service practice

In Mercedes W168, W202, and W210 vehicles with OM611/OM668 engines, the high pressure fuel pump is one of the key elements affecting the engine's performance culture. Replacing a worn pump with a proven component from the same design group allows you to:

• reduce the risk of power drops and jerking during acceleration,
• decrease issues with uneven idling,
• maintain correct cooperation with the existing engine control system.

The product is intended for users who consciously invest in original Mercedes solutions, as well as for workshops specializing in the service of this brand's diesel engines.

Component condition and benefits of choosing a used pump

The offered high pressure fuel pump is in used condition, which represents a reasonable compromise between cost and maintaining the original manufacturer's specifications. In many cases, choosing a used OEM component allows you to maintain the consistency of the fuel system without the need to use replacements with uncertain parameters. For vehicles with high mileage, this is often the most rational service solution, especially when design compliance with the factory system is a priority.

Expert support and part selection

When selecting fuel system components, including high pressure fuel pumps, it is essential to ensure proper matching based on manufacturer markings and engine configuration. If you have any doubts regarding compatibility with a specific engine version, it is worth consulting guides on used electronic components and sensors, which discuss the principles of selection based on markings and controller configurations – this is described in detail in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

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 supply pumps, fuel level control modules, or level sensors, check the available parts in the Mercedes fuel pumps and level sensors category.

For diesel engine users, knowledge about injector operation and symptoms of their wear may also be useful – this is described more broadly in the guide Diesel injector faults – how to recognize them and what are the risks of neglecting them, which helps to better assess the condition of the entire fuel system in the vehicle.