Mercedes W166 Drive Shaft Rear Axle Left Right N/O/S Output Shaft A1663501210

Mercedes W166 Drive Shaft Rear Axle Left Right N/O/S Output Shaft is an original drivetrain component designed for installation on the rear axle of Mercedes W166 series vehicles. This component from the Drive shafts category ensures stable torque transmission, supporting safe and predictable drivetrain operation. Thanks to its factory OEM design, the shaft is properly matched to the suspension geometry and drivetrain characteristics of this model.

Specifications and technical data

• SKU: A1663501210
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1663501210
• Substitutable numbers: A1663501210, A 166 350 12 10
• Location on the vehicle: Rear, Right, Left
• Category: Driveshafts

Purpose and vehicle placement

The presented drive shaft is designed for operation on the rear axle of the vehicle, with the possibility of installation on both the left and right sides. This solution facilitates part selection during drivetrain service in the Mercedes W166, allowing for the replacement of a single element without interfering with other components.

The placement on the vehicle has been factory-adjusted to the characteristics of the suspension and the drive axle, which promotes proper joint operation and reduces unwanted vibrations during acceleration and engine braking.

Technical and functional characteristics

The drive shaft is responsible for transmitting torque from the drive axle to the wheels, working in conjunction with the joints and rear axle suspension elements. The appropriate length, diameter, and joint design are crucial for maintaining the correct system geometry and reducing noise and vibration.

Original manufacturing for the Mercedes brand means maintaining factory tolerances, which translates into:

• proper fitment with the hub and drive axle,
• stable operation under various loads,
• lower risk of premature wear of mating components.

Condition of the item and benefits of choosing a used OEM part

The offered drive shaft is a used part, sourced from a dismantled Mercedes vehicle. This type of OEM component retains its original design and engineering parameters, which in practice often provides better durability than many budget replacements. For the user, this means a favorable compromise between repair costs and the quality and fitment of the part.

In case of drivetrain issues – such as vibrations during acceleration, knocking from the rear of the vehicle, or uneven drivetrain operation – replacing the drive shaft with a verified OEM element is a sensible service solution that limits the risk of additional faults.

Technical support and selecting the right shaft

When selecting a drive shaft for a Mercedes W166, it is worth paying attention to compatibility with the drivetrain of the specific vehicle version and the placement on the vehicle. In case of doubts regarding the rear axle configuration or compatibility with the drive axle, it is helpful to compare the design of the removed element with the offered shaft and consult with a mechanic specializing in the Mercedes brand.

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

Related materials and knowledge about the drivetrain

When diagnosing noises, vibrations, or play in the rear part of the vehicle, it is worth considering not only the drive shaft but also the condition of the drive axle and bearings. To better understand why original drivetrain components are often more cost-effective than random replacements, check out the article: Humming differential? Learn why a used OEM drive axle is a better investment than an uncertain replacement.