A212 320 0725 Rear Left Air Spring Bag for Mercedes-Benz W212 E-Class / W218 CLS-Class

Installation Position: Rear left air suspension of the vehicle, Exclusive for rear left, not universal for rear right or front suspension. Suitable for all original Airmatic air suspension models of Mercedes-Benz W212/W218 (including standard and AMG high-performance versions). Not applicable for mechanical suspension, front air suspension and other chassis models. This product is a complete air spring assembly, not a repair kit.

Product Description: A212 320 0725 is an original factory matching rear left air spring assembly for Mercedes-Benz W212 E-Class and W218 CLS-Class, serving as the core replacement part for rear air suspension collapse and air leakage faults of these models. The W212/W218 chassis balances comfortable daily driving and sporty handling. The rear air suspension bears long-term load from rear vehicle weight, high-speed shock absorption and bumpy road impact. After long-term use, the rubber bladder of the original air spring is prone to aging cracking, bulging, hardening and elastic attenuation, causing typical faults such as rear left vehicle sinking, unbalanced left and right body height, rear sinking after parking, abnormal noise when passing bumps at low speed, permanent air suspension warning light, frequent air pump operation and rapid air leakage. This product is 1:1 molded according to original factory size, pressure resistance parameters and installation structure, supporting direct in-situ assembly without modification. Adopting multi-layer composite high-elastic weather-resistant rubber technology, it features strong air tightness, excellent aging resistance and deformation resistance. Fully compatible with the original Airmatic electronic control system, it ensures accurate body height and comfortable shock absorption after installation, completely solving rear air suspension air leakage and collapse problems with extremely high cost performance to replace the original assembly.

Core Advantages

• 1:1 original assembly replication, with size, stroke, pressure resistance value, mounting holes and pipeline interface fully consistent with original A2123200725 parameters. Exclusive for rear left position, supporting non-destructive in-situ replacement without modifying original vehicle structure
• Effectively fixes common W212/W218 rear left air suspension faults: aging air spring leakage, rear left sinking, unbalanced body height, bumpy abnormal noise, air suspension fault codes and frequent air pump operation
• Adopts multi-layer thickened imported rubber composite material, resistant to high and low temperature, aging, cracking and high-pressure fatigue. It eliminates the defects of ordinary aftermarket air springs such as easy bulging, short-term failure and cold weather air leakage, with service life close to original parts
• Direct integral assembly replacement without complicated repair kit disassembly, assembly and sealing debugging, suitable for severe faults that cannot be fixed by repair kits, including air spring bladder damage, cracking and structural air leakage
• Fully compatible with standard and AMG high-spec W212/W218 rear air suspension and original Airmatic electronic height adjustment system. No programming required after installation, only height calibration needed for normal use with no fault codes and no pressure relief
• Every product undergoes strict factory tests including high-pressure air tightness test, pressure fatigue test and high & low temperature weather resistance test to eliminate defective leakage products, suitable for repair shop maintenance, vehicle owner replacement and cross-border bulk stocking

Important Notice: This product is a dedicated rear left air spring assembly for Mercedes-Benz W212/W218, strictly side-specific with no front/rear compatibility. It is compatible with both standard and AMG high-performance air suspension versions, and only fits original Airmatic air suspension models. Mechanical suspension, front air suspension, rear right air suspension and other chassis models are not compatible. It is suitable for replacing original air springs with cracks, bulges, damage, severe collapse and rapid air leakage that cannot be repaired by repair kits.

1. Mercedes-Benz E-Class W212/S212 Air Suspension Versions (E200, E260, E300, E350, E400, E500, E63 AMG)
2. Mercedes-Benz CLS-Class W218/C218/X218 Air Suspension Versions (CLS300, CLS350, CLS400, CLS550, CLS63 AMG)

Interchange Remark: All the above numbers are original iterative universal assemblies for W212/W218 rear left air springs, with 100% interchangeable structural size, pressure resistance parameters, mounting interfaces and electronic control adaptation logic. No modification, no error code and no compatibility problems after installation.

• OEM & Private Label Customization: Support custom brand logo silk printing, neutral no-label export packaging and foreign trade color box customization, suitable for cross-border platforms such as Amazon, eBay, AliExpress.
• Bulk Supply Service: Support large-volume spot goods and full-container foreign trade orders for A2123200725 Mercedes-Benz W212/W218 rear left air spring assemblies with long-term stable supply.
• Complete Air Suspension Parts Matching: Supply full range of W212/W218 air suspension accessories, including front and rear air springs, rear right air bags, air suspension repair kits, air compressors, distribution valves, dryer bottles and height sensors for one-stop procurement.
• E-commerce Material Support: Provide real product photos, detailed close-up images, installation dimension parameters and vehicle installation reference materials for direct store listing.