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Unity 28-113600 front electronic air strut assembly for Mercedes-Benz S-Class

Unity

Unity 28-113600 Front Electronic Air Strut Assembly

SKU CH-VZCS-F7SBS

Front electronic air strut assembly fits 2007-2013 Mercedes-Benz S-Class models excluding 4Matic, manufactured by Unity with over 50 years experience

  • Designed for 2012‑2013 S350 and 2010‑2013 S400 models
  • Fits 2007‑2011 S500 and 2007‑2013 S550 variants
  • Compatible with 2007‑2013 S600 excluding 4Matic versions
  • Backed by over 50 years of aftermarket suspension expertise
  • Brand‑new replacement restores air suspension performance reliably

Front Electronic Air Strut Assembly

The Unity 28-113600 is a brand-new replacement front electronic air strut assembly designed for Mercedes-Benz S-Class models produced between 2007 and 2013. It restores the air suspension system on S350, S400, S500, S550 and S600 variants, excluding all 4Matic models.

Thermals noise and power draw

As a passive suspension component, this strut assembly generates no operational noise, heat or electrical power draw of its own. It functions mechanically within the vehicle's existing air suspension circuit to maintain ride height and damping performance.

Bundled accessories and software

The unit ships as a complete assembly ready for installation without additional software, calibration tools or separate electronic modules. No extra brackets, fittings or diagnostic equipment are included in the package.

Highlights

  • Designed for 2012‑2013 S350 and 2010‑2013 S400 models
  • Fits 2007‑2011 S500 and 2007‑2013 S550 variants
  • Compatible with 2007‑2013 S600 excluding 4Matic versions
  • Backed by over 50 years of aftermarket suspension expertise
  • Brand‑new replacement restores air suspension performance reliably

Specifications

BrandUNITY

Questions about this item

How is the front electronic air strut assembly installed on a 2012 Mercedes-Benz S350, and which step is most often missed?

Remove the wheel, disconnect the air line and electrical connector, unbolt the strut from the knuckle and top mount, then fit the new unit; the step most often missed is re-initialising the suspension height sensors after installation.

What maintenance or replacement will the Unity 28-113600 air strut need later?

Inspect the air spring for cracks and the electronic damper connector for corrosion during routine service; replace the strut if the air spring leaks or the damper signal becomes erratic.

What limit appears first on the front electronic air strut during sustained driving on rough roads?

The air spring temperature rises under continuous compression cycles, triggering the vehicle's protection mode to stiffen damping and prevent overheating.

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