Delphi TC4400 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower Control Arm Assembly for GLB250

Delphi TC4400 is a front left lower suspension control arm and ball joint assembly for select Mercedes-Benz GLB250 models. It is built for direct OE-style replacement on 2020-2024 Mercedes-Benz GLB250, front left lower applications, with fitment focused on dimensional accuracy and material consistency.

Key Features

• Front left lower suspension control arm and ball joint assembly
• Fits 2020-2024 Mercedes-Benz GLB250, front left lower
• OE-based dimensional and material analysis for proper part matching
• Tested for temperature extremes from below -40 C to over 120 C
• Exposed to 720 hours of salt spray testing for corrosion resistance validation
• Delphi part number TC4400 for catalog and cross-reference lookup

Detailed Description

Delphi TC4400 is engineered for the front left lower position on the Mercedes-Benz GLB250 and follows OE-focused design standards for steering and suspension replacement. Delphi applies its OE expertise to the aftermarket steering portfolio, using dimensional and material analysis to support correct fit and consistent performance. If you are replacing a worn front left lower control arm on a 2020-2024 Mercedes-Benz GLB250, TC4400 provides a direct-match service part reference for that application. This part cross-references Mercedes-Benz OE numbers 247-330-87-02 and 2473300100 for the same application.

Common Problems This Part Can Address

• Excessive front-end looseness or wandering
• Clunking or knocking from the front left lower suspension area
• Uneven tire wear related to worn suspension geometry
• Ball joint wear that affects steering response
• Control arm bushing deterioration on the front suspension

Installation Notes and Tips

Verify the vehicle’s VIN, model year, and front left lower suspension configuration before ordering. This part fits 2020-2024 Mercedes-Benz GLB250, front left lower, and should be matched to the existing OE layout before installation. After replacement, perform a wheel alignment to confirm suspension geometry and steering wheel centering.

Quality Assurance

Delphi validates this steering and suspension component through temperature cycling and extended salt spray exposure to evaluate durability under demanding conditions. The brand’s OE-focused engineering approach supports consistent fitment for Mercedes-Benz GLB250 front left lower replacement work, and Delphi TC4400 is cataloged for direct application matching.