Mercedes R172 Rear Axle Driveshaft Left Right N/O/S M271 Petrol A1723501204

Mercedes R172 Rear Axle Driveshaft Left Right N/O/S M271 Petrol for the rear axle, designed for petrol versions with the M271 engine, is a precision drivetrain component that can be installed on both the left and right sides. Thanks to its factory fitment for the R172 platform, it ensures stable torque transmission and proper cooperation with the rear suspension and differential. This N/O/S (New Old Stock) component is a sensible choice for professional repairs or maintenance of the drivetrain in Mercedes vehicles.

Specifications and technical data

• SKU: A1723501204
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1723501204
• Substitutable numbers: A1723501204, A 172 350 12 04, A1723500010, A 172 350 00 10
• Location on the vehicle: Rear, Right, Left
• Fuel type: Petrol
• Part type: Driveshaft
• Category: Driveshafts

Purpose and compatibility

The presented driveshaft has been designed specifically for Mercedes R172 series models with the M271 petrol engine. The design intended for rear axle installation allows for use on either the left or right side, which simplifies part selection during drivetrain repairs. Its original Mercedes origin helps maintain factory performance parameters, such as smooth power delivery, vibration reduction, and correct geometry relative to the wheel hub and final drive.

Technical characteristics of the driveshaft

The shaft belongs to the Driveshafts category, meaning it is responsible for the mechanical connection of drivetrain components on the rear axle. Its application in M271 petrol versions requires a precisely matched length, diameter, and joint characteristics to ensure proper interaction with the suspension and differential system. The design intended for operation on both sides of the vehicle allows for flexible use of the part depending on service requirements.

As an N/O/S element, the driveshaft represents an economical solution while maintaining the manufacturer's original specifications. In practice, this means the ability to restore the proper operation of the rear-wheel drive without the need to resort to aftermarket replacements with uncertain parameters.

Application in the Mercedes drivetrain

In Mercedes R172 cars with the M271 engine, the rear axle driveshaft is crucial for:

• transferring torque from the differential to the wheel on the respective side of the vehicle,
• compensating for suspension movements while maintaining smooth drivetrain operation,
• reducing vibration and noise within the rear section of the body.

Selecting the correct driveshaft is particularly important during post-collision repairs, suspension component replacement, or drivetrain upgrades. The original Mercedes component helps maintain the integrity of the entire system and reduces the risk of improper fitment with the hub and final drive.

Professional selection and drivetrain diagnostics

When replacing a driveshaft, it is worth paying attention to the condition of other drivetrain components, such as the clutch, dual-mass flywheel, or other parts working with the rear axle. A specialized guide describing diagnostics and part selection in this area may be helpful – detailed information can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts, where topics such as the selection of N/O/S components and their integration with the rest of the drivetrain are discussed.

Service expansion within the rear drivetrain

If you are planning a comprehensive repair or upgrade of the rear drivetrain area in your Mercedes and need other elements from the same group, such as additional shafts, half-shafts, or related torque transmission components, check the available parts in the Mercedes Driveshafts category.