Rear Lower Control Arm for 2017-2020 Mercedes-Benz SLC180 & More - Dorman 522-405

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$106.99
MPN: 522-405
Item Package Quantity: 1
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Dorman - OE Solutions Suspension Control Arm P/N:522-405
Dorman - OE Solutions Suspension Control Arm P/N:522-405
$106.99

Keep the rear suspension properly located with the Dorman control arm, part number 522-405, a rear lower rearward arm that links the wheel assembly to the vehicle's chassis and helps control wheel movement as the suspension travels. It fits many vehicles, among them the 2009-2011 Mercedes-Benz SLK300, 2017-2020 Mercedes-Benz SLC180 and 2017-2020 Mercedes-Benz SLC300. See the Buyer's Guide tab for the full list of Mercedes-Benz and Chrysler applications.

Dorman built this arm to give a dependable replacement for the original equipment on the listed applications. It is precision-engineered and rigorously tested.

  • Direct replacement: designed to fit and perform like the original equipment on the listed applications.
  • Reliable fit: precision-engineered to match the design and dimensions of the original components.
  • Durable construction: made to strict standards from sturdy, safe materials.
  • Rigorously tested: thorough quality-control measures intended to support long service.

As a Dorman lower control arm for the rear lower rearward position, it is worth considering if the original arm is bent, damaged or worn. Signs this part may need replacing include clunking or knocking from the rear over bumps, vague or unstable handling, and uneven tire wear. Have the suspension inspected to confirm the cause before replacing parts. Follow the vehicle service information for the correct fasteners and torque values, and have the wheel alignment checked after installation as the service procedure directs.

Interchange: 5099737AA · TC7258 · TC7279 · CA5053 · 8CB10300 · RK642437 · RK642507 · 2023500006 · 2023500206 · 5099359AA · GS101159 · CMS101159 · 2721771

This part cross-references / interchanges with the following part numbers:

5099737AA, TC7258, TC7279, CA5053, 8CB10300, RK642437, RK642507, 2023500006, 2023500206, 5099359AA, GS101159, CMS101159, 2721771

Frequently Asked Questions

What does this Dorman suspension control arm do?

It links the wheel assembly to the vehicle's chassis in the rear lower rearward position and helps control wheel movement as the suspension travels.

Which vehicles does the 522-405 fit?

It fits many Mercedes-Benz and Chrysler vehicles, including the 2009-2011 Mercedes-Benz SLK300 and the 2017-2020 Mercedes-Benz SLC180 and SLC300. Check the Buyer's Guide tab for your exact vehicle.

What are the signs a rear lower control arm may need replacing?

Signs include clunking or knocking from the rear over bumps, vague or unstable handling, uneven tire wear, and visible bending or damage. Have the suspension inspected to confirm the cause first.

Is it designed to replace the original arm?

Yes. Dorman describes it as a direct replacement designed to fit and perform like the original equipment, precision-engineered to match the design and dimensions of the original components.

What should I know before installing it?

Follow the vehicle service information for the correct fasteners, torque values and whether the original bolts may be reused. Have the wheel alignment checked after installation.