Unity Rear Conversion Kit 22-512700
Converts rear air suspension to coil springs on select 2003-2011 Mercedes-Benz E-Class and CLS-Class models
- Converts air suspension to reliable passive setup
- Fits 2003-2011 Mercedes-Benz CLS550, E320, E350, E500, E550
- 50 years manufacturing experience backs quality
- Elite Suspension Line ensures trouble-free installation
- Part number 22-512700 for exact fitment
Rear air-spring conversion kit
The Unity 22-512700 kit replaces the factory rear air suspension on listed Mercedes-Benz models with conventional steel springs. It fits 2003-2009 E320, 2006-2009 E350, 2003-2006 E500, 2007-2009 E550 and 2007-2011 CLS550 vehicles. The kit is intended for owners who want to eliminate air-compressor leaks and electronic faults.
Passive suspension hardware
The package supplies the brackets, springs and mounting hardware needed to complete the retrofit without reusing air-strut components. No electronic modules, compressors or air lines are included, so the vehicle’s air-suspension warning system will require separate coding or resistor packs not provided here.
Steel-spring durability
Unity’s 50-year aftermarket background is applied to the spring steel and powder-coated brackets, which are engineered to match original mounting points. The bolt-on design uses the factory control-arm and subframe locations, preserving ride height and alignment specifications without fabrication.
How it compares
Measured against everything we stock in Brake Service Tools & Presses, at today’s prices. Recalculated every night.
- Price $71.99
- Cheaper than about 62% of the 1,702 comparable items (median $86.99).
Specifications
| Product | |
|---|---|
| Brand name | UNITY |
Questions about this item
Will the rear air-spring bags or compressor need replacement after installing the 22-512700 kit?
The kit replaces the factory air suspension with passive steel springs, so the original air bags and compressor are no longer used and will not require future service.
What is the first limitation that appears during continuous daily driving with the conversion installed?
The passive steel springs provide a fixed ride height and rate, so the adjustable damping and load-leveling functions of the original air system are permanently lost.
Does the 22-512700 conversion generate extra noise, heat or electrical draw once the vehicle runs all day?
No, the kit is purely mechanical with no moving parts, electronics or hydraulic lines, so it adds no noise, heat or power consumption during operation.
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