Mercedes W205 Diesel OM651 Engine Starter Motor Actuator Bosch A6519064300

The Mercedes W205 Diesel OM651 Engine Starter Actuator Bosch is a specialized component in the starters category, designed for OM651 diesel engines in Mercedes W205 C-Class models. The offered sub-assembly is a solution for users who expect a proven, factory-standard component for the diesel engine starting system, ensuring stable engine startup.

Specifications and technical data

• SKU: A6519064300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519064300
• Substitutable numbers: A6519064300, A 651 906 43 00
• Fuel type: Diesel
• Category: Starter Motors

Purpose and Technical Characteristics

The presented starter with actuator is dedicated to OM651 diesel engines used in the Mercedes W205. The design has been developed with the requirements of modern diesel units in mind, where the appropriate crankshaft speed and repeatability of operation across a wide temperature range are crucial.

This solution integrates a classic starter with an actuator controlling engagement with the flywheel ring gear, allowing for precise and repeatable drive engagement during startup. This makes the starting system less susceptible to mechanical overload and ensures stable engine startup in daily operation.

Application in OM651 Diesel Engine

OM651 diesel engines require a properly selected starter capable of generating the correct torque at the higher compression ratio characteristic of diesel engines. The offered component has been designed precisely for these parameters, which translates to:

• efficient engine startup with both cold and warm engines,
• stable cooperation with the engine control system,
• appropriate compatibility with OM651-specific accessories.

Thanks to factory-level compatibility with the engine architecture, installation does not require modifications to the electrical system or interference with the engine unit's construction, which is important from the perspective of operational durability and safety.

Benefits of Using an Original Starter

Using a starter with an actuator dedicated to the Mercedes W205 diesel engine offers a range of practical benefits. The most important include:

• Factory Fit for the Starting System – maintaining compatibility with the OM651 engine's operating parameters and the vehicle's electrical system.
• Reduced risk of engine starting problems – especially important in intensive urban driving and frequent startups.
• Better integration with the vehicle's electronics compared to random aftermarket replacements with uncertain parameters.

The used component allows for economical repair of the starting system while maintaining characteristics close to the factory-installed part. This is a sensible choice for users who want to restore the correct operation of the starting system without compromising the quality of the original solution.

Condition, Verification, and Installation

The offered starter is a used part from disassembly and is intended for reinstallation in a vehicle after prior verification of compatibility with the specific engine version and installation. Before purchasing, it is advisable to compare the markings with the vehicle data and consult with a mechanic or technical advisor to ensure full compatibility with the powertrain.

During installation, it is recommended to:

• check the condition of the power and ground cables,
• verify the battery condition,
• check the mounting and engagement with the flywheel ring gear.

This approach minimizes the risk of recurring starting problems and allows for full utilization of the sub-assembly's potential.

Mercedes Starters – Selection and Additional Information

If you are looking for other Mercedes starters compatible with various models and engine configurations, check out our dedicated category: Mercedes starters. There you will find a wide selection of starting system components for many engine versions of this brand, making it easier to choose the right technical component.

For a more comprehensive understanding of how engine accessories affect its durability – including the importance of efficient starting and correct operating temperature – it is worth reading the guide article: engine cooling system – overheating, repair, and used radiators. This will help you better assess the condition of the entire powertrain and plan potential service work in a comprehensive manner.