Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400

Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter is a factory-original starting system component designed for OM651 diesel engines used in popular C-Class and E-Class models. Thanks to its OEM-compliant design, it ensures stable engine starting while maintaining the parameters specified by the manufacturer. This is a solution for users who expect proven compatibility, proper operation in a diesel system, and a reasonable balance between quality and operating costs.

Specifications and technical data

• SKU: A6519062400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6519062400
• Substitutable numbers: A6519062400, A 651 906 24 00, 0 001 139 043
• Fuel type: Diesel
• Category: Starter Motors

Purpose and application in the OM651 engine

The presented starter motor is designed to work with the OM651 power unit, a four-cylinder diesel engine used in Mercedes W204 and W212 models. It is responsible for initiating the combustion process in the diesel engine, generating the appropriate crankshaft torque during cold and warm starts. Using an original design allows for maintaining the correct operating parameters of the starting system, which translates into reliable vehicle starting in daily use.

Technical characteristics of the starter motor

The starter motor from this series belongs to the Starter Motors category and is adapted to the specifics of diesel engines, which require a higher load during starting than gasoline units. The construction is based on a classic DC electric motor system with a gear and an overrunning clutch, which enables short-term, intensive operation while maintaining adequate durability. The component has been developed to work with the factory electrical system of the Mercedes, which facilitates installation and reduces the risk of compatibility issues.

In practice, this means:

• proper fitment to the gearbox housing and the OM651 engine flywheel,
• maintaining the correct direction and rotational speed during starting,
• adaptation to the loads typical for diesel engines in urban and extra-urban conditions.

Condition, selection, and installation

The offered starter motor is a used component, which allows for economical repair of the starting system while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard verification of the vehicle's electrical system (battery, ground cables, power cable) to ensure proper operating conditions for the component. Proper selection for a specific version of the Mercedes W204 or W212 should take into account the engine code and the parameters specified by the manufacturer for the given equipment variant.

The starter motor is intended for vehicles with a diesel engine, so its use in gasoline units is not intended. In case of doubts regarding fitment, it is worth comparing the mounting design and electrical connectors with the currently installed component to avoid incorrect installation.

Benefits of using an original Mercedes starter motor

Using a starter motor dedicated to the OM651 in Mercedes W204 and W212 models allows for maintaining the consistency of the entire powertrain. The original design ensures:

• stable diesel engine starting under typical operating conditions,
• maintenance of the parameters specified by the vehicle manufacturer,
• consistency with the factory electrical system and control unit.

For users who want to keep the vehicle in a configuration close to the factory state, choosing a starter motor from this group is a technically sound solution and helps reduce the risk of problems resulting from the use of random replacements.

Expanding the starting system in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional starter motors, mounting elements, or related starting system components, check the available parts in the Mercedes Starter Motors category.

For drivers interested in a broader look at the differences between standard and more advanced components in premium class cars, an article describing the characteristics of sports components and the sense of using used parts in higher-segment vehicles may be useful – more information can be found in the material BMW M Performance: how do BMW M components differ from standard ones?.