Mercedes W211 OM642 Drive Output Shaft Rear Left Right N/O/S A2113501656

Mercedes W211 OM642 Drive Output Shaft Rear Left Right is an original drivetrain component from the Drive shafts group, designed for installation on the rear axle in diesel-powered vehicles. The axle shaft design has been engineered to meet the requirements of the OM642 unit, ensuring stable torque transmission and predictable vehicle behavior during acceleration and engine braking.

Specifications and technical data

• SKU: A2113501656
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113501656
• Substitutable numbers: A2113501656, A 211 350 16 56
• Location on the vehicle: Rear, Right, Left
• Fuel type: Diesel
• Category: Driveshafts

Purpose and vehicle placement

The presented axle shaft is dedicated to the rear axle of the vehicle and can be used on both the left and right sides. This solution facilitates part selection during drivetrain maintenance, especially for vehicles operated intensively or with increased rear axle loads. The component works with a diesel-based powertrain, meaning it is adapted to the characteristic torque delivery of diesel units.

Technical and functional characteristics

The axle shaft is responsible for transferring drive from the differential to the wheel, which is why its geometry and material selection are crucial for reducing vibration and noise. A properly selected axle shaft for the OM642 engine system allows for maintaining:

• stable torque transmission to the rear wheels,
• proper cooperation with the differential and wheel hub,
• appropriate torsional stiffness while maintaining the required operational flexibility,
• control over drivetrain backlash, which affects the smoothness of starting and gear shifting.

Thanks to the use of the original axle shaft geometry, compatibility with the factory suspension and standard mounting elements is maintained, which facilitates installation and subsequent service.

Benefits of using an original axle shaft

Using an axle shaft dedicated to the OM642 unit in the W211 model allows for maintaining the factory performance parameters of the drivetrain. The most important advantages include:

• consistency with the factory drivetrain design,
• reduced risk of improper fitment with the differential and hub,
• predictable vehicle behavior under heavy loads and during dynamic driving,
• easier diagnostics of potential faults due to the original construction.

The component from the Drive shafts group is particularly important in diesel vehicles, where high torque at low RPM requires properly selected drivetrain components.

Condition, origin, and service application

The offered axle shaft comes from disassembly and is intended for re-installation in a vehicle as a service part. This type of component is often chosen for:

• repairs following mechanical damage to the axle shaft,
• eliminating backlash and knocking in the drivetrain,
• differential and drive axle service when it is necessary to replace mating components.

Selecting an axle shaft with the correct application (rear, left/right side, diesel engine) allows for reducing installation time and avoiding compatibility issues, which is important both in professional workshops and for DIY repairs.

Technical support and drivetrain component selection

When replacing the axle shaft, it is worth paying attention to the condition of the differential and other drive axle components. For users who want to better understand the relationships between gear ratios, differential characteristics, and car behavior, the following article will be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. It allows for informed planning of repairs and upgrades within the drivetrain.

If you are planning a comprehensive repair or upgrade of the rear axle drivetrain area in your Mercedes and need other components from the same group, such as additional axle shafts, connecting shafts, or elements working with the differential, check the available parts in the Mercedes Drive shafts category.