Mercedes-Benz W118 CLA Drive Shaft 10433007 - Used Original Parts

Diagnosis and Common Symptoms

From a technical standpoint, the drive shaft (or propeller shaft) in the W118 4MATIC system is a precisely balanced, high-speed rotational component. Failure typically originates from the universal joints (U-joints) or the center support bearing. The primary symptom is a speed-dependent vibration felt through the vehicle's floor and chassis, often most noticeable under acceleration or at specific cruising speeds (e.g., 60-80 km/h).

Audible symptoms include a "clunk" when shifting from Park into Drive or Reverse, indicating excessive play in the U-joints. A persistent whirring or grinding noise from under the center console that changes with vehicle speed is a classic indicator of a failing center support bearing. While the drive shaft itself is a purely mechanical part and will not store direct fault codes, severe vibrations can sometimes induce secondary, misleading codes in the ESP or transmission modules due to erratic sensor feedback.

Introduction

The drive shaft is the critical link in your CLA's 4MATIC drivetrain, responsible for seamlessly transmitting torque to the rear axle. This Genuine Mercedes-Benz used part provides a reliable, factory-spec replacement without the expense of a new unit. Each drive shaft is rigorously inspected and functionally tested on our benches to verify balance, U-joint integrity, and center bearing condition, ensuring it meets the original performance standards for a smooth, vibration-free ride.

Product Details

• Brand: Mercedes-Benz
• Model Compatibility: W118 / C118 CLA-Class (CLA250, A35, CLA35, CLA45). Verify part number for exact fitment.
• Part Name: Drive Shaft / Propeller Shaft
• Part Number: A1773504101
• Condition: Genuine Used (Tested Working)
• Notes: Unit has been professionally inspected for straightness. U-joints and center support bearing are confirmed to be free of binding or excessive play. Mating surfaces for flex discs are clean and undamaged.