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W223 S-Class Air Suspension Strut Damper Unit OEM A2233208903
| Place of Origin | China |
| Brand Name | FHD |
| Certification | ISO 9001 |
| Model Number | Mercedes Benz 223 4WD |
Mercedes W223 air suspension strut
,S-Class OEM damper unit
,A2233208903 suspension strut
OE Reference: A2233208903
Vehicle Fitment: Mercedes-Benz W223 S-Class, 4MATIC (All-Wheel Drive), Front Left
Compatible Models: S450 4MATIC, S500 4MATIC, S580 4MATIC (2021-2025)
This air suspension strut is a direct OEM-grade replacement engineered for the front-left corner of Mercedes-Benz W223 S-Class models equipped with 4MATIC all-wheel drive. It is specifically calibrated for the unique front-axle loading and weight distribution of the 4WD chassis—a critical distinction from the 2WD version, as the additional driveline components alter the suspension geometry and load transfer characteristics.
The strut serves as a combined air spring and damper unit, forming the backbone of the vehicle's AIRMATIC system. It performs three essential functions simultaneously: supporting front-axle weight, absorbing road-induced vibrations, and modulating body motion during cornering, braking, and acceleration. When paired with its front-right counterpart, control arms, and stabilizer bar, it maintains wheel alignment, roll stiffness, and pitch control across all driving scenarios.
Every design parameter—air-spring rate, damping force curve, and internal valving—is locked to Mercedes-Benz OE specifications for the 4MATIC platform. This ensures that the replacement strut behaves indistinguishably from the factory-original unit, preserving the S-Class's signature balance of ride comfort and handling precision.
- 4MATIC-Specific Tuning - Calibrated exclusively for W223 all-wheel-drive chassis, accounting for the added weight and torque distribution of the front axle. Not compatible with 2WD or Maybach variants.
- Integrated Air Spring + Damper - Consolidates load support, vibration absorption, and body posture control in a single unit, ensuring predictable AIRMATIC response under all operating conditions.
- Heavy-Duty Construction - Built with cold-weather-grade rubber bellows (-40°C rated), double-crimped steel end rings, and full-surface anti-corrosion coating. Designed to withstand repeated compression cycles, road salt, and extreme temperature swings.
- Plug-and-Play Installation - Direct bolt-on replacement requiring no cutting, welding, or adapter brackets. All mounting points, air-line connectors, and electrical plugs match factory positions.
- Quality Assurance - Manufactured under ISO 9001-certified processes, with 100% final inspection for air-tightness, damping force consistency, and noise performance.
| OEM Number | A2233208903 |
| Chassis | W223 (Mercedes-Benz S-Class) |
| Drive Configuration | 4MATIC (All-Wheel Drive) - Not for 2WD |
| Position | Front Left (Driver's Side) |
| Model Years | 2021-2025 |
| Exclusions | 2WD models, Maybach variants |
Keep dry, clean and handle with care.
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- Air-spring sealing rings (upper and lower)
- Air-line retaining clips and grommets
- Strut top mounting nut (self-locking type)
- Top mount and thrust bearing - A worn or loose upper mount is a common source of clunking noises and is often misdiagnosed as strut failure.
- Mounting bolts - Verify that all attachment bolts are tightened to Mercedes-Benz factory torque specifications (refer to the W223 workshop manual).
- Air spring clearance - Confirm that the rubber bellows is not rubbing against the chassis or control arm at full droop or compression.
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