Place of Origin:
China
Brand Name:
SuspAir
Certification:
CE
Model Number:
A212 320 0630
A2123200630 Rear Shock Absorber Strut for Mercedes-Benz W212 E220 E250 E300 E350
Original OE Number (Interchangeable Main PN): A2123200630
Product Name: Mercedes W212/W218 Rear Shock Absorber Assembly, E-Class / CLS-Class rear axle conventional hydraulic shock absorber, rear left & right universal 2MATIC RWD exclusive non-ADS shock absorber assembly
Installation Position: Rear Axle, universal for left and right rear side. Exclusively for 2MATIC RWD vehicles, non-ADS conventional hydraulic shock absorber. Not compatible with 4MATIC, ADS-equipped or AMG vehicles. It is a classic interchangeable rear suspension part for Mercedes W212/W218. Mounting holes, stroke and damping are fully consistent, suitable for RWD low-spec conventional chassis vehicles.
A2123200630 is the OEM rear universal non-ADS conventional hydraulic shock absorber assembly for Mercedes W212/W218 platform. It is a high-frequency wearable maintenance component for E-Class & CLS-Class 2MATIC RWD low-spec chassis. This is pure hydraulic shock absorber, no ADS solenoid valve, no electronic adaptive damping, without air spring. It is universal for rear left and rear right, no need to distinguish sides. Designed for factory conventional rear suspension system with comfort-oriented calibration, perfectly matches original chassis parameters of W212/W218 RWD vehicles.
For Mercedes W212 / W218 RWD vehicles, long-time city driving, highway trips, trunk load, temperature variation and chassis mud corrosion will cause hydraulic oil degradation and oil seal aging & oil leakage of rear shocks. Common factory failure: oil leakage and damping failure, resulting in bouncy rear cabin, tail sway, unstable body at high speed, impact noise over potholes and insufficient body support. Most failures of conventional shock absorbers will not trigger dashboard warning lights. Drivers only feel loose chassis and obvious comfort drop. Delayed replacement will break the balance of four-wheel suspension and accelerate wear of tires, rubber bushings, control arms and other surrounding parts, leading to high secondary repair cost.
This A2123200630 rear conventional shock absorber is 1:1 moulded strictly according to Mercedes OEM RWD specification. Adopts anti-rust precision piston rod, high-pressure alloy cylinder, multi-layer composite oil sealing rings and long-life anti-fade hydraulic oil. It greatly improves anti-aging, anti-leakage and fatigue resistance, solving common defects of oil leakage, weak support and loose rebound of original rear shocks. This is RWD non-ADS basic version, universal for rear left & right. Direct bolt-on installation without chassis modification or coding. Four-wheel alignment is required after installation to restore original rear support and riding comfort. Low return rate, ideal for auto repair shop maintenance, auto parts stocking and cross-border foreign trade.
Core Advantages
| Brand Fitment | Mercedes‑Benz |
|---|---|
| Chassis Code | W212 (E-Class), W218 (CLS-Class) |
| Vehicle Type | Mercedes E-Class, CLS-Class Sedan (2MATIC RWD low-spec version) |
| Suspension Version | Factory conventional mechanical suspension, non-ADS adaptive damping, only for 2MATIC RWD |
| Not Fit For | 4MATIC AWD vehicles, ADS electronically controlled shocks, AMG high-performance version, air suspension vehicles, vehicles with other chassis codes |
| Year Range | 2009‑2017 W212 / W218 RWD vehicles with conventional chassis |
| Installation Position | Rear axle, universal for left & right rear, RWD only, no ADS, conventional hydraulic shock |
| Main OE Number | A2123200630 |
| Product Type | Rear universal 2MATIC Non-ADS conventional hydraulic shock absorber assembly, W212/W218 rear suspension shock assembly |
| Assembly or Separate Parts | Brand new full assembly (including damping cylinder, full sealing kit, top & bottom mounting rubber bushings, no ADS solenoid valve, no air spring) |
| Material | Anti-rust precision piston rod, high-pressure alloy cylinder, multi-composite oil sealing rings, long-life anti-fade hydraulic damping oil |
| Production Standard | 1:1 OE RWD specification replication, high & low temperature durability test, rear load fatigue test, accurate damping calibration, 100% leakage inspection |
| Fitment Remark | Universal for rear left and right. Only for W212/W218 RWD non-ADS conventional mechanical suspension. Not for AWD, high-spec ADS, air suspension or AMG. |
| Sales Mode | Retail, sold in pairs, bulk wholesale, full container export orders |
| Inspection Standard | 100% high-pressure anti-leakage test, damping calibration, high-low temperature durability test, rear load fatigue test, full dimension & appearance inspection |
| Packaging | Thick neutral export carton, customized color box, no-logo packing & OEM brand printing available |
| Working Condition | Suitable for city commuting, highway cruising and daily load transport for RWD vehicles, fully compatible with W212/W218 conventional rear suspension system |
| Warning | Only install on rear axle of W212/W218 RWD non-ADS conventional mechanical suspension models. Not for AWD, ADS, air suspension or AMG. Four-wheel alignment is mandatory after installation. |
| Recommended Matching Purchase | Replace rear shocks in pairs when aging. Can be matched with suspension rubber bushings, control arms, stabilizer end links for full chassis maintenance to restore stable vehicle posture and chassis texture. |
Fitment Note: A2123200630 is the RWD-exclusive rear universal non-ADS conventional hydraulic shock absorber for Mercedes W212/W218 platform, universal for rear left and rear right. Only fits 2MATIC RWD factory non-ADS conventional mechanical suspension. Not compatible with AWD, ADS electronic suspension, air suspension, AMG or other chassis vehicles.
Detailed Compatible Vehicle List
Main OE: A2123200630 Interchangeable Older OE Part Numbers: A2123200730, A2123201030, A2123203930, A2123204030, A2123204630
Interchange Instruction: All above part numbers are OEM interchangeable conventional rear shock absorbers for W212/W218 RWD non-ADS. Dimension, damping and mounting holes are 100% identical. Direct bolt-on swap without modification or coding.
Q1: Do I need to distinguish left and right for A2123200630 rear shock?
A: No side distinction required. This part is universal for rear left and rear right. Both sides can be fitted directly, easier for stocking and installation.
Q2: Can it fit AWD 4MATIC, ADS, air suspension or AMG vehicles?
A: No. This is conventional hydraulic shock exclusively for low-spec RWD non-ADS. AWD has different chassis load and rear suspension parameters; air suspension has completely different structure; AMG adopts sport-tuned damping. Improper installation causes abnormal posture and insufficient support.
Q3: Do I need coding or programming after replacement?
A: No programming or coding required. Only four-wheel alignment after installation.
Q4: What symptoms indicate that I need to replace this rear shock absorber?
A: Oil seepage / oil leakage on shock body, bouncy rear cabin over bumps, tail sway, unstable body at high speed, rear chassis noise and poor body support. These signs mean damping aging, replacement is recommended in time.
Q5: Only one rear shock failed, do I need to replace both rear shocks as pair?
A: We recommend replacing rear left and right in pairs. Old and new shocks differ in damping and support force. Single-side replacement leads to height deviation, shaking and reduced riding comfort.
Q6: Can old part numbers like 0730 /1030 be directly replaced by 0630?
A: Yes, fully interchangeable across generations. Mounting hole, stroke and damping are fully consistent, direct bolt-on installation, it is the best replacement option in market.
Q7: Does it fit W212 Estate and CLS Brake?
A: Yes, as long as it is W212/W218 RWD, non-ADS conventional mechanical suspension, rear axle position. Sedan, estate and brake are compatible.
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