2123200630 Damper Shock Absorber Rear Mercedes‑Benz W212 W218 Without ADS

Q: Which car models does this rear damper shock absorber fit? A: It is specially designed for Mercedes‑Benz W212 E‑Class / W218 CLS‑Class 2010‑2016, only for 2WD vehicles without ADS adaptive damping system. Not applicable for 4MATIC all‑wheel‑drive and ABC hydraulic suspension models.

Q: Can this damper shock absorber fit both rear left and rear right? A: Yes, this unit is universal for rear left and rear right side, no need to distinguish left‑right for installation. Please confirm vehicle is 2WD non‑ADS version before ordering.

Q: Does this damper shock absorber come with ADS sensor? A: No, this is non‑ADS version, without electronic damping sensor. Not for vehicles equipped with ADS adaptive damping system.

Q: What are the common symptoms of failed rear damper shock absorber? A: Common symptoms include rear end sagging, uneven left‑right ride height, frequent air compressor startup, knocking noise over bumps, air leakage from air spring, poor driving comfort. Timely replacement is recommended when these problems appear.

Q: Do I need calibration after replacement? A: Yes, professional Mercedes‑Benz diagnostic instrument is required to perform air suspension ride‑height calibration after installation, to ensure normal system operation.

Q: Can I only replace the air bladder instead of full damper shock absorber? A: Theoretically feasible, but we recommend replacing the complete damper shock absorber, to guarantee damping performance and long‑term sealing reliability.

Q: What quality tests have been performed? A: Every finished unit undergoes 24‑hour air tightness test (pressure drop ≤0.02MPa) and over 3‑million‑cycle fatigue test before shipment, effectively preventing early‑stage air leakage.

Q: Is it necessary to replace rear left and right damper shock absorber at the same time? A: You can replace only the damaged side, but simultaneous replacement of both rear sides is recommended to achieve symmetric suspension performance and stable driving.

Q: How long is the warranty period? A: We offer an 18‑month extended warranty. Free replacement is available for genuine product quality issues. Damage caused by improper installation, collision or man‑made destruction is not covered under warranty.

Q: Is this product CE and ISO9001 certified? A: Yes, this product is CE certified and manufactured under an ISO9001 quality management system, meeting international automotive aftermarket quality standards.