Delphi TC8858 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Front Right Upper Control Arm Assembly

Delphi TC8858 is a front right upper suspension control arm and ball joint assembly for select Mercedes-Benz SUVs. It is built for direct replacement use on the front right upper position and supports OE-style fitment for vehicles that need precise suspension geometry.

Key Features

• Front right upper suspension control arm and ball joint assembly
• OE-focused dimensional and material analysis for fitment accuracy
• Tested for temperature extremes below -40 C and above 120 C
• Exposed to 720 hours of salt spray during validation
• Designed for Mercedes-Benz GLE and GLS applications
• Part number: TC8858

Vehicle Fitment

• Fits 2020-2024 Mercedes-Benz GLE350, front right upper.
• Fits 2020-2024 Mercedes-Benz GLE450, front right upper.
• Fits 2022-2024 Mercedes-Benz GLE450 SUV, front right upper.
• Fits 2024 Mercedes-Benz GLE450e, front right upper.
• Fits 2021-2024 Mercedes-Benz GLE53 AMG, front right upper.
• Fits 2021-2024 Mercedes-Benz GLE53 AMG SUV, front right upper.
• Fits 2020-2024 Mercedes-Benz GLE580, front right upper.
• Fits 2021-2024 Mercedes-Benz GLE63 AMG S, front right upper.
• Fits 2021-2024 Mercedes-Benz GLE63 AMG S SUV, front right upper.
• Fits 2020-2024 Mercedes-Benz GLS450, front right upper.
• Fits 2020-2024 Mercedes-Benz GLS580, front right upper.
• Fits 2021-2024 Mercedes-Benz Maybach GLS600, front right upper.

Detailed Description

Delphi TC8858 is an OE-style replacement suspension control arm and ball joint assembly for the front right upper position on select Mercedes-Benz GLE and GLS models. Delphi applies OE engineering practices to its aftermarket steering and suspension portfolio, using dimensional and material analysis to help maintain proper alignment, steering response, and suspension articulation. This part number, TC8858, is a direct-fit option for drivers servicing the front suspension on Mercedes-Benz GLE350, GLE450, GLE53 AMG, GLE580, GLE63 AMG S, GLS450, GLS580, and Maybach GLS600 applications.

This part cross-references Mevotech Supreme CMS101619 for the same application.

Common Repair Symptoms

• Front-end clunking or knocking over bumps
• Uneven tire wear from worn suspension geometry
• Loose or imprecise steering feel
• Excessive play in the front right upper suspension joint
• Alignment issues after suspension wear

Installation Notes and Tips

Verify the vehicle’s front right upper suspension configuration before ordering and compare the original part number, mounting points, and alignment angles. After installation, a professional wheel alignment is recommended to restore correct suspension geometry on Mercedes-Benz GLE and GLS models. Inspect adjacent bushings, joints, and hardware wear during service to avoid repeat repairs.

Quality Assurance

Delphi validates this suspension component through extreme-temperature testing and extended salt-spray exposure to evaluate durability in demanding conditions. The brand’s OE background and compatibility-focused engineering support consistent replacement quality for TC8858 across the listed Mercedes-Benz applications.