Mercedes W163 Propshaft Rear Prop Drive Shaft A1634100702 Automatic

Mercedes W163 Propshaft Rear Prop Drive Shaft Automatic is an original drivetrain component designed for vehicles with an automatic transmission. As a part of the Drive shafts group, it ensures a stable connection between the transmission and the rear axle, which translates into smooth acceleration and predictable vehicle behavior. This used OEM component is a sensible choice for professional drivetrain repairs in a Mercedes M-Class (W163).

Specifications and technical data

• SKU: A1634100702
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1634100702
• Substitutable numbers: A1634100702, A 163 410 07 02
• Location on the vehicle: Rear
• Gearbox type: Automatic
• Part type: Propshaft
• Category: Driveshafts

Purpose and function in the drivetrain

The described shaft is designed to operate in the rear of the vehicle, where it is responsible for transferring torque from the automatic transmission to the rear axle. Thanks to its factory geometry and proper balancing, it ensures:

• stable power transmission under typical road loads,
• reduction of vibrations and noise in the cabin,
• proper cooperation with suspension components and the differential.

Choosing an original drive shaft is particularly important in rear-wheel-drive vehicles, where precision fitment affects the durability of the entire system.

Benefits of using an original drive shaft

By choosing an original Mercedes drive shaft, you gain a part designed specifically for the W163 platform. This means:

• maintaining the factory operating characteristics of the drivetrain,
• appropriate length and diameter matched to the suspension and body,
• compatibility with factory mounts and mating components.

A used OEM element is often a more predictable solution than a cheap replacement with uncertain material parameters and manufacturing tolerances.

Part condition and installation aspects

The shaft comes from disassembly and is offered as a tested, used component, intended for further use after proper installation. Before installation, it is recommended to perform a standard inspection of mating components, such as flexible couplings, support bearings, or mounting bolts, to avoid transferring wear to the newly installed part.

Professional installation of a drive shaft in a vehicle with an automatic transmission requires maintaining the correct position relative to the axle and transmission, as well as attention to tightening torques. A correctly installed shaft minimizes the risk of vibrations, knocking, and accelerated wear of drivetrain components.

Part selection by OEM number and technical support

To ensure that the selected shaft will be suitable for the specific engine and drivetrain version of your Mercedes, it is worth verifying compatibility by OEM number or interchangeable numbers. In case of doubt, the vehicle's VIN and consultation with the technical department will be helpful.

If you want to check step-by-step how to properly match drivetrain components by catalog numbers, use our practical guide: how to choose the right car part by VIN and OEM number. This will facilitate the selection of the appropriate drive shaft and reduce the risk of an incorrect purchase.

Related drivetrain components

Replacing the rear drive shaft is often associated with the diagnostics of the differential and the drive axle. If your Mercedes also exhibits humming noises from the rear of the vehicle, it is worth considering a comprehensive assessment of the axle's condition. You can find more on this topic in the article: humming differential – why a used OEM drive axle is a safer choice than a random replacement.

When planning a drivetrain repair, you can also check other products in the Drive shafts category to select a complete solution tailored to the specifics of your vehicle.