Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-2956

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$2,133.99
MPN: C-2956
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-2956
Arnott Industries Air Spring to Coil Spring Conversion Kit P/N:C-2956
$2,133.99

Swap out costly, leak-prone AIRMATIC air suspension for dependable coil springs with the Arnott Air Spring to Coil Spring Conversion Kit C-2956 (also written C2956). This complete kit converts the front and rear of the 2007-2013 Mercedes-Benz S550, 2012-2013 S350, 2008-2011 S450, and 2013 S500 from an active air system to a passive coil-spring setup — for less than the price of a single dealer air strut. See the Buyer's Guide tab for the full engine-level fitment.

  • Complete conversion kit: transforms AIRMATIC (and 4MATIC) air suspension to coil springs for a seamless, error-free conversion.
  • Powder-coated coil springs (Made in USA) paired with custom-tuned shock absorbers designed for a smooth, comfortable ride.
  • CNC-machined aluminum tops and pre-assembled components for easier installation.
  • Patented EBM module designed to turn off the suspension dashboard warning light after the conversion.

The kit converts the vehicle's active suspension to passive operation and is engineered in the USA. If your factory air suspension is leaking, sagging, or triggering suspension warning lights, this Arnott kit replaces it with a mechanical coil-spring system on the applications listed above.

Frequently Asked Questions

What does the Arnott C-2956 kit do?

It converts the vehicle's AIRMATIC air suspension to a passive coil-spring system, replacing the air struts with powder-coated coil springs and custom-tuned shock absorbers.

Which vehicles does this kit fit?

It fits the 2007-2013 Mercedes-Benz S550, 2012-2013 S350, 2008-2011 S450, and 2013 S500. Check the Buyer's Guide tab to confirm your vehicle.

Does this kit cover the front and rear?

Yes. This is a complete conversion kit that addresses both the front and rear suspension on the listed applications.

Will it turn off the suspension warning light?

The kit includes a patented EBM electronic module designed to turn off the suspension dashboard warning light after the conversion is completed.

Is any assembly required?

The components come pre-assembled with CNC-machined aluminum tops to make installation easier. Follow the vehicle service procedure for correct fitment and fasteners.