Smooth out a sagging, harsh-riding corner with the Arnott Industries Air Suspension Strut AS-3899, a complete front-left assembly built with OE-quality components — not remanufactured. It's designed for the front-left position on Mercedes-Benz models equipped with 4MATIC, AIRMATIC and ADS, dropping in for the 2015-2017 CLS400, 2012-2018 CLS550, 2014 CLS63 AMG, 2014-2018 CLS63 AMG S, 2014-2016 E250, 2012-2016 E300, 2010-2016 E350, 2015-2016 E400, 2010-2016 E550, 2014-2015 E63 AMG and 2014-2016 E63 AMG S. See the Buyer's Guide tab for the full engine-level list.
- Complete assembly: replaces your worn OE strut with a custom-tuned shock absorber intended for a comfortable, yet responsive, ride.
- Continental ContiTech air spring sleeve: multi-ply sleeve for enhanced strength and extended service life.
- Built to last: Arnott's long-lasting seals, CNC-machined top mount, heavy-duty crimping rings and an airline fitting.
- Custom-valved monotube Eibach shock absorber; converts active to passive. Designed, Assembled & Tested in the USA.
Pre-assembled for easy installation. For best results, replacing in pairs is recommended. Important: this part is NOT suitable for European Avantgarde and AMG models.
Interchange: 2123201938 · 2123203338 · 212320333860 · 212320333880 · 2123208113
This part cross-references / interchanges with the following part numbers:
2123201938, 2123203338, 212320333860, 212320333880, 2123208113
