GKN Loebro 306227 CV Axle Assembly - Front Left

OE-Style CV Axle for Mercedes-Benz

GKN Loebro 306227 is a front left CV axle assembly built for precise driveline fit and smooth power transfer. It is engineered for Mercedes-Benz S430 and S500 applications where OE-style joint geometry, spline count, and ABS tone ring details matter.

Key Features

• Front left CV axle assembly for select Mercedes-Benz S430 and S500 models
• Compressed length: 20.078
• Inboard spline quantity: 34
• Outboard spline quantity: 35
• Inboard joint type: Plunging Joint AAR
• Outboard joint type: Fix Ball Joint UF
• ABS tone ring tooth quantity: 48
• Axle nut included with M16x1.5 thread size
• GKN Loebro part number 306227

Detailed Description

GKN Loebro 306227 is a CV axle assembly developed with premium OE technology from GKN Automotive, a global driveline supplier used by major vehicle manufacturers. This axle is tailored for the front left position on 2003-2006 Mercedes-Benz S430 and 2003-2006 Mercedes-Benz S500 applications, with chassis-specific coverage for 2003 S430 and 2004 S430 variants. The design uses a plunging inboard joint and fixed ball outboard joint to match the original driveline layout, while the 48-tooth ABS tone ring supports wheel speed signal consistency. If you are replacing a worn Mercedes-Benz S430 CV axle or a Mercedes-Benz S500 front left axle assembly, part number 306227 provides the OE-style dimensions and spline configuration needed for proper installation and operation.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Clicking or popping noises during turns from a worn outer CV joint
• Vibration or shudder under acceleration from axle wear
• Grease leakage from a damaged CV boot or joint seal area
• ABS warning concerns related to incorrect tone ring setup
• Driveline play caused by spline or joint wear

Installation Notes and Tips

Verify front left fitment against the vehicle chassis breakpoints before ordering, especially on 2003 and 2004 Mercedes-Benz S430 models. Confirm spline counts, axle nut thread size, and ABS tone ring tooth count against the original axle before installation. Inspect the hub, seals, and mating components for wear so the replacement axle can seat correctly and operate smoothly.

Quality Assurance

GKN Automotive supplies driveline components to a large share of global vehicle manufacturers and produces axle assemblies at OE-level scale. GKN Loebro 306227 reflects that OE-focused engineering approach for Mercedes-Benz driveline service.