Dorman 946-550 Drive Shaft - Rear

Reliable Drive Shaft Replacement for Mercedes-Benz S320

The Dorman 946-550 drive shaft is engineered to provide dependable driveline performance for your Mercedes-Benz S320. Constructed from durable steel, this drive shaft is designed to meet the demands of regular driving conditions while offering adjustability and maintenance features.

• Made from high-quality steel for strength and durability
• Includes a slip yoke for smooth driveline operation
• Greaseable design allows for easier maintenance
• Overall length adjustable to ensure proper fitment
• Drive shaft length of 73.125 inches with a 2.5-inch diameter
• Wall thickness of 0.083 inches for structural integrity
• Does not include CV joints or axle nut

Detailed Drive Shaft Specifications

This Dorman drive shaft (part number 946-550) is specifically designed for the Mercedes-Benz S320, ensuring compatibility and reliable performance. The steel shaft material provides the necessary strength to handle torque transfer from the transmission to the differential. The inclusion of a slip yoke accommodates driveline movement and helps reduce vibration. Its greaseable feature allows for routine lubrication, extending the service life of the component. The adjustable overall length ensures a precise fit, which is critical for maintaining proper driveline alignment and preventing premature wear.

Common Applications and Problem Resolution

• Replacement for worn or damaged drive shafts on Mercedes-Benz S320 models
• Addresses driveline vibrations caused by bent or imbalanced shafts
• Solves issues related to improper shaft length or fitment
• Restores smooth power transfer from transmission to rear axle
• Helps eliminate noise and driveline binding due to faulty slip yokes

Installation Notes and Tips

When installing the Dorman 946-550 drive shaft on a Mercedes-Benz S320, ensure the slip yoke is properly seated and lubricated. Verify the overall length adjustment to match the original equipment specifications for optimal driveline alignment. Since CV joints and axle nuts are not included, reuse existing hardware or source replacements as needed. Regularly grease the drive shaft to maintain smooth operation and prevent premature wear.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet industry standards for durability and performance. While specific warranty details are not provided, Dorman products typically undergo rigorous quality control to ensure reliability. For peace of mind, consult the product documentation or contact the manufacturer for warranty information related to part number 946-550.