Mercedes R172 Rear Axle Driveshaft Drive Shaft Right O/S A1723505603

Mercedes R172 Rear Axle Driveshaft Drive Shaft Right O/S is an original drivetrain component designed for installation on the rear axle on the passenger side. As part of the Driveshafts group, it ensures precise torque transmission from the final drive to the wheel, which translates into stable handling and predictable vehicle behavior. This used OEM component is a sensible choice for professional repairs or drivetrain upgrades in a Mercedes.

Specifications and technical data

• SKU: A1723505603
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1723505603
• Substitutable numbers: A1723505603, A 172 350 56 03
• Location on the vehicle: Rear, Right
• Part type: Driveshaft
• Category: Driveshafts

Purpose and function in the drivetrain

The presented driveshaft is designed to operate on the rear axle on the right side, where it is responsible for transferring power from the differential to the wheel. A correctly selected component in this location is crucial for:

• even torque transmission under various loads,
• reducing vibrations and noise in the drivetrain,
• maintaining proper suspension and drivetrain geometry. Thanks to a design consistent with Mercedes factory standards, the shaft works with other rear axle components without the need for modifications, which facilitates installation and subsequent operation.

Original Mercedes part – benefits of choosing OEM

The driveshaft comes from the Mercedes range, which means maintaining factory operating parameters and compatibility with the drivetrain of the specific R172 version. Compared to random replacements, the original OEM component ensures:

• material and dimensional consistency with other axle components,
• predictable behavior under load and at higher speeds,
• easier diagnostics of potential future faults. If you are repairing the drivetrain after a differential or final drive failure, it is worth considering a comprehensive verification of the mating components. You can find more about the advantages of original used OEM parts in the drivetrain in the article on why a used OEM final drive is often a better choice than an uncertain replacement.

Vehicle placement and fitment

This shaft model is designed specifically for the rear, right side of the vehicle. In practice, this means that:

• its length and geometry are adapted to the right side of the rear axle,
• mounting points correspond to the factory sockets in the hubs and differential,
• it does not require modifications or adaptations when correctly selected for the body and drivetrain version. Such fitment is particularly important in cars with a sporty character, where handling precision and stability at higher speeds depend on the quality of the drivetrain components.

Condition and use in professional repair

The item is offered as a used part, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. This solution is often chosen by workshops specializing in the Mercedes brand when:

• it is necessary to replace the shaft after mechanical damage or joint wear,
• vibrations or knocking sounds appear from the rear axle area related to drivetrain play,
• a car is being repaired after a collision in the rear suspension area. A used OEM driveshaft represents a reasonable compromise between cost and durability, especially in cars where maintaining the original handling characteristics is a priority.

Why choose this driveshaft

By choosing this Mercedes R172 Rear Axle Driveshaft Drive Shaft Right O/S, you gain a component designed specifically to work with the factory differential and suspension. The original design promotes stable drivetrain operation, and the used nature of the part allows you to optimize your repair budget without sacrificing quality. It is a practical solution for drivers and workshops that prioritize a technically correct yet economical drivetrain rebuild in a Mercedes.