HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC2478 Suspension Control Arm - Rear Left Upper Rearward
Part #: TC2478

Delphi TC2478 Suspension Control Arm - Rear Left Upper Rearward

Rear Left Upper Rearward
30 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, CL550, S350, S400, S550, S450, CL63 AMG, and S63 AMG
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Delphi Suspension Control Arm for Mercedes-Benz Vehicles

The Delphi TC2478 suspension control arm is engineered for rear left upper rearward positioning on select Mercedes-Benz models. Designed with durable aluminum construction and a white blasting finish, this control arm offers reliable performance and precise fitment for vehicles like the CL63 AMG, S550, and S450.

  • Material: Lightweight and strong aluminum
  • Construction: Casting and forged for enhanced durability
  • Finish: White blasting for corrosion resistance
  • Bushings included with black color for easy identification
  • Dimensions: 15.0 inches (381.0 mm) length, 99.0 mm width, 40.3 mm height
  • Position: Rear left upper rearward for specific Mercedes-Benz models
  • Standard replacement grade type for reliable everyday use

Durable Design and Precise Fitment

The Delphi TC2478 control arm is crafted from aluminum using a casting and forging process to ensure strength and longevity. Its white blasting finish helps protect against corrosion, maintaining structural integrity over time. This control arm includes pre-installed bushings in black, eliminating the need for separate bushing purchases. While it does not come pre-greased or with grease fittings, the design supports standard maintenance procedures. The part is specifically designed for rear left upper rearward suspension placement, matching the exact mounting hole distance of 322.0 mm for a secure fit on Mercedes-Benz CL63 AMG, CL550, S63 AMG, S350, S400, S450, and S550 models.

Common Applications and Problem Resolution

  • Replaces worn or damaged rear left upper rearward suspension control arms
  • Addresses suspension noise caused by deteriorated bushings
  • Restores proper wheel alignment and handling stability
  • Eliminates excessive play or looseness in the rear suspension
  • Improves ride comfort and vehicle control on Mercedes-Benz models

Installation Notes and Tips

Installation of the Delphi TC2478 control arm requires standard suspension tools and mechanical knowledge. Since the part does not include mounting hardware or a ball joint, ensure existing components are inspected and replaced if necessary. Proper torque specifications should be followed to maintain suspension integrity. It is recommended to perform a wheel alignment after installation to optimize handling and tire wear.

Quality Assurance and Warranty

Delphi suspension components meet industry standards for material quality and manufacturing processes. The TC2478 control arm is a standard replacement grade part designed to match OEM specifications for fit and function. While no pre-greasing or grease fittings are included, the included bushings are factory-installed to ensure consistent performance. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.

BrandDelphi
Part NumberTC2478
AdjustableNo
Ball Joint IncludedNo
Bushing ColorBlack
Bushings IncludedYes
ColorWhite
ConstructionCasting/Forged
Distance Between Mounting Holes322.0
Friction Material ThicknessBlasting
Grade TypeRegular
Grease Fitting IncludedNo
Height40.3
Item GradeStandard Replacement
Length15.0
Length381.0
MaterialAluminum
Mounting Hardware IncludedNo
Position(s)Rear Left Upper Rearward
Pre-GreasedNo
Width99.0

This part fits 30 vehicles. Search below:

YearMakeModelPositionNotes
2013Mercedes-BenzCL550Rear Left Upper Rearward
2013Mercedes-BenzS350Rear Left Upper Rearward
2013Mercedes-BenzS400Rear Left Upper Rearward
2013Mercedes-BenzS550Rear Left Upper Rearward
2012Mercedes-BenzCL550Rear Left Upper Rearward
2012Mercedes-BenzS350Rear Left Upper Rearward
2012Mercedes-BenzS400Rear Left Upper Rearward
2012Mercedes-BenzS550Rear Left Upper Rearward
2011Mercedes-BenzCL550Rear Left Upper Rearward
2011Mercedes-BenzS400Rear Left Upper Rearward
2011Mercedes-BenzS450Rear Left Upper Rearward
2011Mercedes-BenzS550Rear Left Upper Rearward
2010Mercedes-BenzCL550Rear Left Upper Rearward
2010Mercedes-BenzCL63 AMGRear Left Upper Rearward
2010Mercedes-BenzS400Rear Left Upper Rearward
2010Mercedes-BenzS450Rear Left Upper Rearward
2010Mercedes-BenzS550Rear Left Upper Rearward
2010Mercedes-BenzS63 AMGRear Left Upper Rearward
2009Mercedes-BenzCL550Rear Left Upper Rearward
2009Mercedes-BenzCL63 AMGRear Left Upper Rearward
2009Mercedes-BenzS450Rear Left Upper Rearward
2009Mercedes-BenzS550Rear Left Upper Rearward
2009Mercedes-BenzS63 AMGRear Left Upper Rearward
2008Mercedes-BenzCL550Rear Left Upper Rearward
2008Mercedes-BenzCL63 AMGRear Left Upper Rearward
2008Mercedes-BenzS450Rear Left Upper Rearward
2008Mercedes-BenzS550Rear Left Upper Rearward
2008Mercedes-BenzS63 AMGRear Left Upper Rearward
2007Mercedes-BenzCL550Rear Left Upper Rearward
2007Mercedes-BenzS550Rear Left Upper Rearward

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

102-6804221 350 04 06A221 350 0406CA28517CA28527CK641709CMS101091JTC1353K641709MS101091RK641709

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.