Mercedes ML W166 OM651 Diesel Engine Mount Bracket Holder Support A6510940239

Mercedes ML W166 OM651 Diesel Engine Mount Bracket Holder Support is an original mounting component designed for OM651 diesel units, ensuring stable and secure engine seating in the chassis. As a part of the Engine mounts group, it is responsible for proper load distribution and vibration reduction in the drivetrain. A used component of this type is a reasonable, technically sound choice for repairs and upgrades of the engine mounting system in a Mercedes ML W166 with a diesel engine.

Specifications and technical data

• SKU: A6510940239
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510940239
• Substitutable numbers: A6510940239, A 651 094 02 39
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the drivetrain

The engine bracket, arm, or holder in a Mercedes ML W166 with an OM651 unit plays a key role in connecting the engine block to the chassis via components from the Engine mounts group. It is responsible for:

• stable support of the power unit under various load conditions,
• correct distribution of forces along the auxiliary structure,
• maintaining the geometry of the drivetrain relative to the gearbox and half-shafts,
• limiting unwanted engine movement during acceleration and engine braking.

Thanks to a properly selected engine holder, the drivetrain operates stably, and cooperating components – such as drive shafts or hoses – are less exposed to excessive stress.

Benefits of using an original Mercedes holder

The original engine holder dedicated to the OM651 diesel unit in the ML W166 body ensures factory-fitment to the mounting points on the engine and chassis. This translates into:

• precise fitment with existing Engine mounts,
• maintaining the stiffness of the system designed by the manufacturer,
• reduction of vibrations transmitted to the cabin,
• lower risk of noises and knocks resulting from improper support of the power unit.

Choosing an original Mercedes component allows you to maintain compliance with service documentation and facilitates the diagnosis of any future faults in the engine mounting area.

Product characteristics and application in a diesel engine

The presented bracket is intended for vehicles with a diesel engine, which is significant due to the specific vibrations and loads generated by diesel units. The holder's design is adapted to:

• the weight and operating characteristics of the OM651 engine,
• the torque typical for modern diesels,
• the operating conditions of an ML-class SUV, including driving under load and in varied terrain.

As a result, the element effectively cooperates with other mounting system components, ensuring predictable vehicle behavior and proper driving comfort.

Condition, selection, and installation of the engine holder

The offered bracket comes from the used parts category, which allows for a significant reduction in repair costs while maintaining the original mounting specification. Before selection, it is recommended to verify compatibility with the specific version of the OM651 engine and the ML W166 body to ensure full compatibility with existing mounting points and Engine mounts.

During installation, it is important to follow the manufacturer's service procedures, in particular:

• checking the condition of other engine mounting elements,
• correct tightening sequence of mounting bolts,
• performing work with the drivetrain unloaded,
• checking the engine position relative to the chassis after installation.

Technical support and additional materials

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 holders, brackets, or components cooperating with the power unit mounting, check the available parts in the Mercedes Engine mounts category.

When deciding to use components from the secondary market, it is worth knowing good practices related to used subassemblies. An article discussing when it is worth reaching for electronics and control elements from dismantling may be helpful – you can find it here: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.