Delphi TC2979 Suspension Control Arm - Front Right Lower Rearward

Delphi Suspension Control Arm for Mercedes-Benz E-Class

The Delphi TC2979 suspension control arm is engineered for precise fitment on select Mercedes-Benz E-Class models, including the E250, E350, E400, and E550. Designed to maintain suspension geometry and improve vehicle handling, this front right lower rearward control arm offers reliable performance with durable materials.

• Constructed from a combination of steel and aluminum for strength and reduced weight
• Features a straight shape with dimensions: 364.0 mm length, 80.0 mm width, and 90.0 mm height
• Includes black rubber and aluminum bushings for vibration dampening
• Ball joint mounting type is press-in; ball joint not included
• Standard replacement grade with casting and forged construction
• Pre-greased bushings are not included; mounting hardware sold separately

Durable Construction and Design Details

The Delphi TC2979 control arm combines steel and aluminum materials to balance durability and weight savings, essential for maintaining suspension integrity on Mercedes-Benz E250, E350, E400, and E550 models. Its casting and forging manufacturing process ensures structural strength, while the included rubber and aluminum bushings help absorb road vibrations and reduce noise. The control arm’s straight shape and precise dimensions provide a direct replacement for the front right lower rearward position, ensuring proper suspension alignment and vehicle stability.

Compatible Mercedes-Benz Models and Applications

This suspension control arm is specifically compatible with the following Mercedes-Benz E-Class vehicles:

• Mercedes-Benz E250
• Mercedes-Benz E350
• Mercedes-Benz E400
• Mercedes-Benz E550

It is designed to replace the front right lower rearward suspension control arm, restoring proper suspension geometry and handling characteristics.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking from worn bushings
• Uneven tire wear due to misaligned suspension components
• Reduced steering responsiveness or vehicle instability
• Vibration or harshness transmitted through the suspension
• Damaged or bent control arm affecting wheel alignment

Installation Notes and Tips

When installing the Delphi TC2979 control arm, note that the ball joint is not included and must be transferred from the original part or purchased separately. The bushings come pre-installed but are not pre-greased, so applying appropriate lubrication during installation is recommended. Mounting hardware is not included, so ensure all bolts and fasteners meet manufacturer specifications. Proper torque settings and alignment checks are essential to maintain suspension performance and safety.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, manufactured with casting and forging processes to ensure durability and reliability. The TC2979 control arm includes rubber and aluminum bushings designed for long service life. While specific warranty details vary, Delphi typically offers coverage against manufacturing defects. Always verify warranty terms with the point of purchase or manufacturer documentation.