A2223204913 Rear Left Air Suspension Shock Strut for Mercedes-Benz  W222 V222 X222 S550  (2014--)

A2223204913 Rear Left Air Suspension Shock Strut for Mercedes-Benz W222 V222 X222 S550 (2014--)

1. Product Introduction

Original OE Number: A2223204913 (Abbreviation: 2223204913)

Product Name: Mercedes-Benz W222 Rear Left 4MATIC Air Shock Absorber Assembly, S-Class Rear Left Airmatic Air Suspension Strut, Rear Left 4MATIC Air Strut Assembly with ADS Electronic Adaptive Damping

Installation Position: Rear axle left side (Exclusive for 4MATIC, rear left only, not interchangeable with 2WD or rear right). Matched OEM part number: Rear Right A2223205013. Fits Mercedes W222 S-Class equipped with factory Airmatic air suspension + ADS adaptive damping + 4MATIC all-wheel drive system. It is the core replacement part to solve rear end sagging, uneven body posture, loose chassis and ADS warning faults for 4MATIC vehicles.

Product Description A2223204913 is OEM-spec rear left ADS air strut assembly exclusively for Mercedes W222 S-Class 4MATIC. Different from the 2WD version, it is calibrated for heavy-duty 4MATIC rear axle chassis. Designed only for rear left position, cannot be swapped left/right, and not compatible between 2WD and 4WD. The assembly is equipped with OEM-style ADS adaptive damping solenoid valve, multi-layer high-pressure burst-proof air spring, reinforced 4WD damper cylinder and multiple high-pressure sealing structures. Supported by Airmatic intelligent air suspension system, it automatically adjusts damping stiffness in real time according to 4WD load, vehicle speed and road conditions. It balances comfortable shock absorption at low speed, high-speed stability for 4MATIC, road holding capacity and roll suppression during cornering, fully matching the original factory chassis calibration standard of W222 flagship 4MATIC model.

W222 4MATIC vehicles have higher curb weight and heavier load on rear axle. Long-time high-speed driving, bumpy rough roads, fully loaded luggage, together with aging caused by temperature variation, mud and water corrosion on chassis and repeated inflation & deflation cycles of air suspension, make rear left air strut a high-failure wearing part. Common original faults: aging, cracking, bulging and slow air leakage of air spring, one-side rear end sinking; degraded internal hydraulic oil and worn oil seals lead to weak damping, loose rebound and insufficient rear support; carbon deposit and stuck ADS solenoid valve with signal drift trigger air suspension warning light and ADS electronic alarm. Typical vehicle symptoms: rear left sagging, uneven rear height, reduced high-speed stability of 4MATIC, frequent activation of air compressor, slow or stuck chassis height adjustment, bouncy rear end over speed bumps, rear sway at high speed and abnormal chassis noise. If not replaced timely, it will cause secondary damage to air compressor, valve block and height sensor, resulting in full air suspension overhaul and much higher repair cost.

This A2223204913 4MATIC rear left air strut is 1:1 reproduced strictly according to Mercedes OEM 4WD data. The 4WD-specific stroke, damping coefficient, pressure resistance parameter, electronic control logic and mounting holes are 100% matched with OEM. Adopts thickened temperature-resistant burst-proof rubber air spring, double anti-leak sealing structure, rust-proof precision piston rod, long-life anti-degradation hydraulic oil and high-sensitivity ADS solenoid calibrated for 4MATIC. It greatly improves anti-aging, crack resistance, fatigue resistance and burst pressure performance. Perfectly fixes common failures of W222 4MATIC: rear left air leakage, rear sagging, uneven body posture, ADS error code, loose chassis and rear sway at high speed. This is 4MATIC exclusive version with ADS. Direct bolt-on installation without chassis modification. After installation, air tightness test, vehicle height calibration and ADS 4MATIC matching calibration are required to restore all original intelligent air suspension functions, returning the stable and premium chassis feel of S-Class 4MATIC. Low return rate, suitable for garage maintenance, auto parts bulk stocking and cross-border e-commerce listing.

• ✅ 1:1 OEM reproduction exclusively for 4MATIC, rear left only with ADS electronic control. Parameters differ from 2WD version for precise bolt-on fitment
• ✅ Solves W222 4MATIC common issues: rear left sagging, overnight rear drop, tilted body, rear sway, frequent compressor start-up and ADS warning
• ✅ Upgraded thick multi-layer burst-proof air spring, temperature resistant & anti-aging, suitable for heavy 4WD load to eliminate slow air leakage
• ✅ 4MATIC-tuned ADS electronic control, fast solenoid response and stable signal, fully retains original adaptive damping function
• ✅ Reinforced anti-fatigue damping structure optimized for heavy rear axle load, eliminates loose rear feel, sway and abnormal noise during 4WD driving
• ✅ Brand new complete assembly with full accessories. Restore OEM chassis performance after calibration, ideal for repair shops and export business

2. Custom Attributes for E-commerce Listing

Brand: Mercedes-Benz Chassis Code: W222 Vehicle Model: Mercedes S-Class Luxury Sedan (4MATIC Version) Version Requirement: Factory Airmatic Air Suspension, with ADS Adaptive Damping, exclusive for 4MATIC AWD Not Compatible: 2WD vehicles, base air suspension without ADS, ABC active body control, mechanical coil spring suspension, other chassis such as W221/W223, rear right position Applicable Years: 2013‑2020 all W222 4MATIC models Installation Position: Rear axle left side (Rear left exclusive, cannot fit rear right or 2WD models) Product OE: A2223204913 Product Type: Rear Left 4MATIC Air Strut Assembly with ADS, W222 4MATIC Electronic Air Suspension Shock Assembly Status: Brand new full assembly (including burst-proof air spring, 4WD damper cylinder, ADS solenoid valve, full sealing kit, upper & lower mounting bushings) Material: Multi-layer high-pressure anti-aging rubber air spring, rust-proof precision piston rod, high-pressure alloy cylinder, composite oil seal, long-life hydraulic damping oil, high-sensitivity ADS electronic components Production Standard: OEM data replication, 4WD load fatigue test, high & low temperature pressure test, 100% air pressure holding test, damping calibration, ADS signal inspection Compatibility Note: Only fits W222 4MATIC vehicles with ADS air suspension, rear left only. Not for 2WD, non-ADS, ABC or other chassis. Recommended to replace in pair with rear right A2223205013 Sales Method: Retail, bulk wholesale, full container export orders Inspection Standard: 100% air tightness test, damping coefficient calibration, high-low temperature test, 4WD load fatigue test, full electronic signal inspection, dimension & appearance inspection Packaging: Reinforced neutral carton. Custom color box, neutral export package and OEM logo printing available Working Condition: City commute, highway cruise, fully loaded travel and rough roads, fully compatible with Airmatic+ADS+4MATIC electronic control logic Installation Tip: Air tightness test, vehicle height calibration and ADS 4MATIC matching calibration required after installation, no coding needed Purchase Suggestion: Highly recommended to replace rear left & rear right as pair (A2223204913 + A2223205013). Can be matched with air spring repair kit, air compressor, valve block and height sensor for full suspension maintenance

3. Compatible Vehicles

Compatibility Instruction: A2223204913 is rear left ADS air strut exclusively for W222 4MATIC chassis. Only fits 4MATIC AWD vehicles with factory Airmatic air suspension + ADS adaptive damping, for rear axle left side only. Not interchangeable with 2WD version.

Exact Compatible List

1. Mercedes S-Class W222 (2013‑2020): S320 4MATIC, S350 4MATIC, S400 4MATIC, S450 4MATIC, S500 4MATIC, S560 4MATIC, versions with ADS air suspension
2. Mercedes S-Class AMG W222: S63 AMG 4MATIC, S65 AMG factory 4MATIC models with ADS air suspension

4. Interchangeable OE Numbers

Main OE Number: A2223204913 Interchangeable OE Part Numbers: A2223202100, A2223208113, A222320491389

Interchange Remark: The above numbers are OEM superseded replacement parts. They have identical structure dimension, 4WD damping parameter, ADS electronic logic, mounting holes and pressure rating. Direct bolt-on replacement without chassis modification.

5. FAQ

1. Q1: What vehicles and position does A2223204913 fit? A: Fits 2013‑2020 Mercedes W222 S-Class 4MATIC AWD with ADS adaptive air suspension, only for rear axle left side. Not compatible with 2WD, rear right, non-ADS, ABC chassis or other chassis codes.
2. Q2: Can I install 2WD rear air strut on 4MATIC rear left? A: No. 2WD and 4WD differ in rear axle load, damping stroke and electronic control logic. Mismatch will cause abnormal ride height, rear sway and permanent fault codes, cannot work properly.
3. Q3: Can A2223204913 be fitted to rear right? A: No. Rear left and rear right 4MATIC strut differ in structure, damping and mounting points. The dedicated rear right part number is A2223205013, must install on correct side.
4. Q4: Coding required after replacement? A: No coding required. Air tightness inspection, vehicle height calibration and ADS 4MATIC matching calibration must be performed, clear fault codes to restore all functions.
5. Q5: What symptoms indicate replacement of this strut? A: Rear left sagging, overnight rear drop, uneven rear height, rear sway at high speed, frequent compressor operation, slow or stuck height adjustment, ADS/air suspension warning lamp, bouncy rear end over bumps and abnormal chassis noise. These are typical failure signs of this air strut.
6. Q6: Only one side damaged on rear axle, do I need to replace in pair? A: Strongly recommended to replace rear left and rear right as a pair. 4MATIC chassis requires high consistency of damping, support force and electronic response on both rear sides. Single side replacement causes uneven chassis load, rear sway and abnormal tire wear.
7. Q7: Can it be used on 4MATIC W222 without ADS? A: No. This assembly is built-in with ADS solenoid valve. Non-ADS vehicles lack corresponding wiring harness and control program. It will trigger continuous fault codes and adaptive damping function cannot work.
8. Q8: Are interchange OE numbers directly replaceable? A: Yes. All interchange OE numbers are OEM superseded equivalent parts with identical specs, dimension and electronic control, supporting direct bolt-on replacement.

6. Custom Service

1. OEM Private Label: Support logo silk printing, neutral no-mark export package and custom color box, suitable for Amazon, eBay, and other cross-border platforms.
2. Bulk Supply: A2223204913 in stock continuously. Support retail, bulk wholesale and full container export orders with stable supply, fast lead time and competitive price.
3. Complete Package Service: Can be matched with rear right 4MATIC A2223205013 to form rear axle pair set. Also supply full air suspension spare parts including air spring, air compressor, valve block, repair kits and height sensors.
4. E-commerce Material Support: Free product photos, detail pictures, OE cross reference table, vehicle fitment list and installation calibration documents, ready for store listing, short video promotion and page decoration.