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Front left electronic air strut assembly for Mercedes-Benz

Unity

Unity 28-112701 Front Left Electronic Air Strut Assembly

SKU CH-M8J3-53EQF

Front left electronic air strut assembly restores air suspension on 2003-2011 Mercedes-Benz models excluding 4Matic

  • Restores air suspension performance on compatible Mercedes models
  • Brand-new replacement assembly ensures reliable installation
  • Electronic strut design matches original equipment function
  • Fits multiple CLS and E-Class models from 2003 to 2011
  • Backed by Unity's 50 years of suspension manufacturing experience

Front Left Air Strut for Select Mercedes-Benz Models

This Unity 28-112701 electronic air strut assembly is built as a direct replacement for the front left corner on specific Mercedes-Benz sedans and coupes. It covers the 2006 CLS500, 2007-2011 CLS550, 2007-2009 E280, 2003-2009 E320, 2006-2009 E350, 2003-2006 E500 and 2007-2009 E550. The unit restores factory air suspension function on these applications.

Sustained Load Behaviour on Supported Chassis

The assembly is engineered to maintain consistent ride height and damping control during extended driving cycles on the listed vehicles. Unity’s manufacturing focus targets long-term reliability so the strut resists leakage and electronic failure under the continuous pressure cycles typical of daily use on these Mercedes-Benz platforms. It replaces the original component without requiring system recalibration beyond standard installation procedures.

Verify Fitment Before Ordering

Confirm the vehicle is a rear-wheel-drive model because 4Matic all-wheel-drive variants are explicitly excluded from the fitment list. Check the model year and badge against the supported range: 2003-2011 for E-Class and 2006-2011 for CLS-Class. Ensure the replacement is intended for the front left position only, as right-side and rear units carry different part numbers.

Highlights

  • Restores air suspension performance on compatible Mercedes models
  • Brand-new replacement assembly ensures reliable installation
  • Electronic strut design matches original equipment function
  • Fits multiple CLS and E-Class models from 2003 to 2011
  • Backed by Unity's 50 years of suspension manufacturing experience

Specifications

BrandUNITY

Questions about this item

Does the electronic air strut assembly draw constant power once installed on the 2007-2011 CLS550?

The unit operates only when the vehicle's air suspension system signals it to adjust ride height; it does not consume power continuously while the car is parked or running normally.

What existing suspension components must be present for the 28-112701 to bolt onto a 2006-2009 E350?

The strut mounts to the factory upper strut tower and lower control-arm points, so the original mounting hardware and air-line connections must be intact and reusable.

Will this front-left strut work on a 2003-2006 E500 that still has its original 4Matic all-wheel-drive hardware?

No — the product notes explicitly exclude 4Matic models, so the strut is not compatible with any all-wheel-drive variant listed.

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