Dorman 526-271 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Dorman 526-271 Front Left Upper Control Arm

Dorman 526-271 is a direct replacement suspension control arm and ball joint assembly for specific Mercedes-Benz applications. It is built for the front left upper position and engineered to restore smooth ride quality, directional stability, and predictable steering response on the vehicles listed below.

Key Features

• Direct replacement for the original equipment front left upper control arm
• Pre-greased design for ready-to-install service
• Ball joint included and installed
• Bushings included for complete arm service
• Steel control arm construction with casting/forged design
• Standard replacement grade for OE-style fit and function
• Mounting hardware included
• Threaded ball joint stud with 14 mm thread diameter

Detailed Description

This Dorman suspension control arm and ball joint assembly is built to replace the factory unit on Mercedes-Benz C-Class, E-Class, GLC, CLS, and EQC applications that use the front left upper position. The steel arm construction, pre-installed ball joint, and included bushings support consistent suspension geometry and stable handling. Part number 526-271 is a practical OE-style solution for drivers addressing wear in the upper control arm assembly while maintaining factory-like ride characteristics.

This part cross-references MOOG Chassis Products RK623599 and Mevotech Supreme CMS101467 for the same application.

Vehicle Fitment

• Fits 2022-2023 Mercedes-Benz CLS350, front left upper
• Fits 2019-2023 Mercedes-Benz CLS450, front left upper
• Fits 2017-2023 Mercedes-Benz E200, front left upper
• Fits 2017-2023 Mercedes-Benz E300, front left upper
• Fits 2020-2023 Mercedes-Benz E350, front left upper
• Fits 2021-2023 Mercedes-Benz E350e, front left upper
• Fits 2019-2023 Mercedes-Benz E450, front left upper
• Fits 2021-2023 Mercedes-Benz EQC400, front left upper
• Fits 2016-2023 Mercedes-Benz GLC300, front left upper
• Fits 2015-2022 Mercedes-Benz C300, front left upper
• Fits 2021-2022 Mercedes-Benz GLC300e, front left upper
• Fits 2015-2020 Mercedes-Benz C200, front left upper
• Fits 2018-2020 Mercedes-Benz GLC350e, front left upper
• Fits 2015-2019 Mercedes-Benz C180, front left upper
• Fits 2017-2019 Mercedes-Benz E250, front left upper
• Fits 2015-2018 Mercedes-Benz C250, front left upper
• Fits 2016-2018 Mercedes-Benz C350e, front left upper
• Fits 2017-2018 Mercedes-Benz E400, front left upper
• Fits 2017-2018 Mercedes-Benz GLC250, front left upper
• Fits 2015 Mercedes-Benz C400, front left upper

Installation Notes and Tips

Confirm the front left upper position before installation and compare the original arm, ball joint stud type, and mounting dimensions to the replacement part. Because this assembly is pre-greased and includes the ball joint and bushings, it is ready for suspension service once the old component is removed and the mounting points are inspected. After installation, perform a wheel alignment to verify suspension geometry and steering wheel centering.

Quality Assurance

Dorman uses an industry-focused evaluation process to validate fit, ride quality, and directional stability for this replacement control arm assembly. Part number 526-271 is engineered as a standard replacement for the listed Mercedes-Benz applications, with OE-style construction intended to support predictable suspension performance.