Performance Air Strut for Mercedes-Benz W221 4Matic (OE# A2213201738)
Specifically engineered for the 4Matic all-wheel-drive system, this front left air strut delivers precise damping force distribution to handle the additional drivetrain weight and torque load unique to AWD W221 models (2007–2012).
Heavy-duty steel piston rod + reinforced rubber air spring for 4Matic-specific load demands
ADS sensor integration ensures adaptive damping responds instantly to road conditions
Direct bolt-on replacement – no modification, no warning lights
IATF16949 certified | 12-month warranty
Complete assembly with mount – install ready
MOQ 2 pcs | 1–7 days delivery | Custom packaging available
Save 40–60% vs. dealer OEM pricing
Key attributes
| Product name | Air Shock Absorber,Air Ride Suspension,Air Strut |
| Model | For Mercedes-Benz S-Class W221 |
| OE NO. | A2213201738 |
| Position | Front Left |
| Material | Steel+Aluminum+Rubber |
| Certification | CE / EAC / ISO9001 / IATF16949 |
| Warranty | Guaranteed products |
| Purpose | for replace/repair |
| Delivery time | 1-7days |
| MOQ | 2 PCS |
| Package | Brand/customized packaging |
Product Advantages – Airmatic Strut for Mercedes-Benz S-Class W221 (2007–2012) Front Left with ADS & 4MATIC (OE# A2213201738)
1. 1:1 OE Fitment – Direct replacement for W221 front left, matches OE# A2213201738. Specifically engineered for 4MATIC AWD front-left axle geometry. Mounting points and stroke length match OEM exactly. Plug-and-play install, no ADS error codes triggered.
2. 4MATIC-Specific Asymmetric Reinforcement – AWD front-left axle experiences uneven stress due to drive shaft layout. This strut features an asymmetric reinforced piston rod and dual-lip primary seal to counter additional torsional stress and uneven wear – surpassing the durability of standard RWD struts.
3. Responsive ADS Real-Time Damping – Built-in high-speed solenoid valve works with W221’s enhanced ADS II system. Independently adjusts left-wheel damping in milliseconds based on steering angle and lateral acceleration. Actively boosts left-side support during cornering, significantly reducing body roll and enhancing driver confidence.
4. Extreme Condition Validation – In addition to 3+ million fatigue cycles and -40°C to +80°C thermal testing, units pass dedicated 4MATIC bench tests (simulating continuous front-wheel torque output) to guarantee durability under prolonged AWD engagement.
5. Certified & Warranted – EAC, CE, ISO9001, IATF16949 certified. 12-month warranty. Each unit undergoes 100% air tightness, load, and ADS solenoid function testing before shipment.
6. Flexible Ordering & Cost-Effective – MOQ 2 PCS, 1–7 day fast shipment. Neutral or custom packaging available. Lower price than dealer OEM. Complete assembly included. Return rate below industry average.
Since 2008, we are the first batch of factories to do air suspension in China, and for 18 years, we have focused on the research and development and production of high-quality air suspension.
One-stop purchase of air suspension system accessories, including: air suspension, air pump, distribution valve, air bag, height sensor and more. issues responsibly.
1.18 years focus on the development, production and sales of high-quality air suspension
2.Return rate as low as 1%
3.High brand value
4.Professional business team
Production standards: strictly refer to ISO9001:2000 and ISO/TS16949 quality management system standards, OE standards to control the accuracy of raw materials
Test criteria: Up to 5 million fatigue tests
Most of our products do not require a minimum order quantity and can be delivered within 1-7 days, 8000㎡+ stock.
Middle East, Africa, Russian-speaking regions, Southeast Asia, South America, more than 80 countries and regions.
4. Installation and after-sales technical guidance, training
The business team responds within 2 hours and has a solution within 24 hours.
Please fill out the form on the right to contact us.
Huaju Construction Innovation Industrial Park, No. 3 Nanheng 2nd Road, Longhe West Road, Longgui Street, Baiyun District
