Delphi TC9127 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Front Right Upper Control Arm Assembly

Delphi TC9127 is a front right upper suspension control arm and ball joint assembly built for select Mercedes-Benz applications. It is engineered with OE-focused dimensional and material analysis to support proper fitment and consistent steering and suspension response.

Compatible with Mercedes-Benz CLS550, CLS400, E300, E350, E400, and E550 models in the front right upper position, this Delphi suspension component is a direct-fit replacement for vehicles that need precise front-end suspension service.

Key Features

• Front right upper suspension control arm and ball joint assembly
• OE-based design approach for aftermarket steering and suspension replacement
• Built for temperature extremes below -40°C and above 120°C
• Exposed to 720 hours of salt spray testing for corrosion resistance validation
• Designed using dimensional and material analysis to match OE and aftermarket compatibility
• Delphi TC9127 application coverage for select Mercedes-Benz front suspension service

Fitment Details

• Fits 2012-2018 Mercedes-Benz CLS550, front right upper
• Fits 2015-2017 Mercedes-Benz CLS400, front right upper
• Fits 2012-2016 Mercedes-Benz E300, front right upper
• Fits 2010-2016 Mercedes-Benz E350, front right upper
• Fits 2015-2016 Mercedes-Benz E400, front right upper
• Fits 2010-2016 Mercedes-Benz E550, front right upper

What It Helps Address

• Front-end looseness or imprecise steering feel
• Clunking or knocking from the upper suspension area
• Uneven tire wear related to worn suspension geometry
• Excessive play in the front right upper control arm joint
• Restoration of suspension alignment stability after wear-related failure

Installation Notes

Install on the front right upper suspension position only. Verify vehicle year, model, and suspension configuration before ordering, and inspect related front-end components during service. A professional alignment is recommended after replacement to confirm proper suspension geometry.

Quality Assurance

Delphi applies OE safety technology and OE-focused engineering to its aftermarket steering and suspension portfolio. TC9127 is validated through extreme-temperature testing and extended salt-spray exposure to support durability in demanding driving conditions. This part cross-references Mevotech Supreme CMS101389 for the same application.