Restore a level, controlled ride at the rear-left corner with the Arnott Industries Air Suspension Spring A-3314 (also written A3314). This rear-left air spring assembly replaces the original air suspension spring on a wide range of Mercedes-Benz cars and SUVs, including the 2021-2025 AMG GT 43, 2019-2025 AMG GT 53, 2019-2023 CLS450, 2017-2023 E200, 2020-2023 E350, 2018-2023 E63 AMG S, 2016-2023 GLC300, and 2017-2023 GLC43 AMG — see the "Vehicles it fits" section for the full list of 27 applications. If a worn, sagging, or leaking original air spring is the cause of a low or uneven rear-left ride height, this unit replaces it.
- Certified Excellence: Built to strict ISO quality standards.
- Dual-Continent Expertise: Developed at specialized facilities in the USA and EU.
- Engineered for strength and durability to withstand demanding road conditions.
- Vigorously tested: Lab-verified and road-proven for reliable performance.
Each unit is developed at Arnott's research and development center, where its air springs undergo rigorous laboratory stress tests and extensive real-world road evaluations. For best results, Arnott recommends replacing air springs in pairs.
Interchange: 2133200125 · 2133200925 · 2133280100
This part cross-references / interchanges with the following part numbers:
2133200125, 2133200925, 2133280100
Frequently Asked Questions
What position does the A-3314 air spring fit?
It is a rear-left air suspension spring assembly. Confirm your vehicle in the "Vehicles it fits" section before ordering.
Which vehicles does this fit?
It fits many 2016-2025 Mercedes-Benz models, including AMG GT 43/53, CLS450, E-Class, and GLC-Class variants. See the "Vehicles it fits" section for all 27 applications.
Should I replace both sides at once?
Arnott recommends replacing air springs in pairs for best results. This listing is for the rear-left assembly.
What are signs my air spring may need replacing?
A sagging, low, or uneven ride height at the rear, or an air spring that leaks or won't hold height, may indicate a worn air spring. Diagnose the cause before replacing.
What numbers does this interchange with?
It cross-references 2133200125, 2133200925, and 2133280100. Match one of these numbers or your vehicle to confirm fitment.
