Mercedes W211 OM646 Drive Shaft Rear Left Right Axle Shaft A2113500556

Mercedes W211 OM646 Drive Shaft Rear Left Right Axle Shaft is a component from the Drive shafts group, designed for operation in the rear axle of the vehicle. It ensures efficient torque transfer from the drivetrain to the wheels, which has a direct impact on stability, traction, and driving safety. This solution is dedicated to users expecting a solid, proven design tailored to the specifics of Mercedes models with the OM646 unit.

Specifications and technical data

• SKU: A2113500556
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113500556
• Substitutable numbers: A2113500556, A 211 350 05 56
• Location on the vehicle: Rear, Right, Left
• Category: Driveshafts

Purpose and vehicle placement

The presented axle shaft is designed for installation in the rear of the vehicle, with the possibility of application on both the right and left sides. Such a solution facilitates component selection during drivetrain repairs, especially when servicing both sides of the axle simultaneously. Its placement in the rear axle ensures the component works in direct connection with the differential, responsible for smooth and predictable power transmission to the wheels.

Design and role in the drivetrain

The axle shaft in Mercedes W211 family models with the OM646 engine is a key link connecting the differential to the wheel hub. It is responsible for:

• stable torque transfer under varying load conditions,
• maintaining proper suspension and drivetrain geometry,
• reducing vibrations and unwanted play in the chassis system.

A well-selected rear axle shaft influences handling precision, drivetrain refinement, and driving comfort, especially at higher speeds and during dynamic load changes.

Benefits of using an original Mercedes component

Choosing a component from the Mercedes brand means maintaining the factory operating parameters of the drivetrain. The original rear axle shaft ensures:

• dimensional compatibility with the hub and differential,
• fitment to the suspension and drivetrain characteristics of the W211 with the OM646 unit,
• consistency with factory solutions in terms of durability and rigidity.

This reduces the risk of installation problems, unwanted play, or accelerated wear of cooperating elements, such as bearings or seals.

Condition, service application, and technical selection

The product is offered as a used original component, which allows for an economical yet technically correct repair of the drivetrain in premium class cars. This type of solution is particularly beneficial for:

• repairs following mechanical damage to the axle shaft or CV joints,
• eliminating vibrations and knocking sounds originating from the rear axle,
• comprehensive drivetrain maintenance along with the differential.

To properly select gear ratios and drivetrain configuration for your driving style and usage specifics, it is worth using the practical tips included in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style. This allows for better planning of the scope of service work within the rear axle.

Mercedes drive shafts – expansion and system modernization

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

In the context of premium class cars, proven components from the secondary market are becoming increasingly important. If you want to better understand why used originals for brands like Mercedes are becoming a popular choice for drivetrain repairs, it is worth reading the trend analysis in the article Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.