HomeUnity 30-512700 Air Spring to Coil Spring Conversion Kit - Rear
Part #: 30-512700

Unity 30-512700 Air Spring to Coil Spring Conversion Kit - Rear

Electronic to Passive Air Spring to Coil Spring Conversion Kit, Rear
45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Electronic to Passive Air Spring to Coil Spring Conversion Kit, Rear
Fitment: Mercedes-Benz, CLS350, CLS550, CLS63 AMG, E280, E320, E350, E550, E63 AMG, CLS500, CLS55 AMG, E500, and E55 AMG
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Overview of Unity Rear Air Spring to Coil Spring Conversion Kit

The Unity Electronic to Passive Air Spring to Coil Spring Conversion Kit (part number 30-512700) is designed specifically for the rear suspension of select Mercedes-Benz models. This conversion kit replaces the electronic air spring system with a reliable coil spring setup, providing a durable and maintenance-friendly suspension solution.

  • Rear position conversion kit for suspension systems
  • Compatible with multiple Mercedes-Benz models including CLS55 AMG, CLS63 AMG, CLS350, CLS500, CLS550, E55 AMG, E63 AMG, E280, E320, E350, E500, and E550
  • Part number 30-512700 for precise identification
  • Converts electronic air springs to passive coil springs
  • Designed to maintain proper suspension geometry and ride height

Detailed Product Description

This Unity conversion kit is engineered to replace the rear electronic air spring suspension with a passive coil spring system on various Mercedes-Benz vehicles. The kit is tailored to fit the rear suspension position, ensuring compatibility with models such as the CLS55 AMG, CLS63 AMG, CLS350, CLS500, CLS550, E55 AMG, E63 AMG, E280, E320, E350, E500, and E550. By switching from air springs to coil springs, this kit offers a more straightforward suspension setup that can reduce maintenance complexity and potential air spring failures.

The Unity Electronic to Passive Air Spring to Coil Spring Conversion Kit is part of Unity's specialized product line focused on converting electronic air suspension systems to passive coil springs. This product line addresses the need for a reliable alternative to air springs, especially in vehicles where air suspension components may be prone to wear or failure over time.

Common Applications and Problem Solving

  • Eliminates issues related to air spring leaks or failures
  • Reduces maintenance costs associated with electronic air suspension systems
  • Prevents suspension sagging caused by faulty air springs
  • Improves suspension reliability for Mercedes-Benz CLS and E-Class models
  • Provides a consistent ride height without electronic system dependency

Installation Notes and Tips

  • Installation is intended for the rear suspension position only
  • Professional installation is recommended to ensure proper fitment and suspension geometry
  • Verify vehicle compatibility with the listed Mercedes-Benz models before installation
  • Check all suspension components for wear during conversion
  • Follow manufacturer torque specifications for all fasteners

Quality Assurance and Warranty

Unity manufactures this conversion kit to meet strict quality standards for suspension components. While specific warranty details are not provided here, Unity products typically come with a limited warranty against defects in materials and workmanship. It is advisable to consult the product documentation or Unity directly for exact warranty terms related to part number 30-512700.

BrandUnity
Part Number30-512700
PositionElectronic to Passive Air Spring to Coil Spring Conversion Kit, Rear
PositionRear

This part fits 45 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2011Mercedes-BenzCLS350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011Mercedes-BenzCLS550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011Mercedes-BenzCLS63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010Mercedes-BenzCLS350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010Mercedes-BenzCLS550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010Mercedes-BenzCLS63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzCLS350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzCLS550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzCLS63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzE280SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzE350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzE550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009Mercedes-BenzE63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzCLS350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzCLS550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzCLS63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzE280SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzE350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzE550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008Mercedes-BenzE63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzCLS350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzCLS550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzCLS63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzE280SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzE350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzE550SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007Mercedes-BenzE63 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzCLS500SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzCLS55 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzE350SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzE500SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006Mercedes-BenzE55 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005Mercedes-BenzE500SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005Mercedes-BenzE55 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004Mercedes-BenzE500SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004Mercedes-BenzE55 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003Mercedes-BenzE320SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003Mercedes-BenzE500SedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003Mercedes-BenzE55 AMGSedanRearIncludes (2) Rear Coil Springs (4) Mounts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.