Home » OUSIMY Front ADS Air Suspension Strut Pair for Mercedes‑Benz X166 GL‑Class W166 M‑Class GL350 ML350 | OE 1663201313,1663201413
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OUSIMY Front ADS Air Suspension Strut Pair for Mercedes‑Benz X166 GL‑Class W166 M‑Class GL350 ML350 | OE 1663201313,1663201413

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Product details
  • Vendor OUSIMY SHOP
  • SKU QMJZJZ0016-QT
  • Model
    • GL350
    • GL450
    • GL550
    • GL63
    • ML320
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Description Shipping information Reviews
OE Number: 1663201313, 1663201413, 1663202738, 1663202838, 1663203138, 1663203238, 1663201368, 1663201468, 166320273880, 166320283880

OUSIMY Front ADS Air Suspension Strut Pair for Mercedes‑Benz X166 GL‑Class W166 M‑Class GL350 ML350

This front left‑right air suspension strut pair is a precision‑engineered OE‑level direct replacement, built for Mercedes‑Benz X166 GL‑Class and W166 M‑Class models equipped with ADS Adaptive Damping System, restoring balanced factory ride height and smooth intelligent suspension performance.

Product Details

Constructed with reinforced high‑grade materials and anti‑leakage sealing structure, these gas‑charged air struts feature corrosion‑resistant protective coating and fully integrated ADS electronic damping module. Precisely matched to original mounting points and electrical interfaces, they support plug‑and‑play installation without modification, 100% compatible with factory ADS adaptive functions. Complete front pair set comes with required mounting hardware, brand new in original packaging.

Key Advantages

  • Fully compatible with original ADS adaptive damping system, no dashboard warning lights or error codes
  • Reinforced sealing design effectively prevents air leakage and extends service life
  • Protective anti‑corrosion coating adapts to various road and weather conditions
  • Complete front pair ensures balanced suspension performance and even tire wear
  • Lifetime manufacturer warranty provides long‑term reliable after‑sales support

Problems This Product Solves

Fixes common X166/W166 ADS air suspension defects: front‑end sagging, uneven ride height, harsh bouncy driving, suspension warning light alert, air strut leakage, abnormal noise and accelerated tire wear caused by aging original struts.

Fault Codes Fixed

Resolves typical Mercedes ADS suspension diagnostic trouble codes:

C1844 (ADS damping valve malfunction), C1577 (suspension pressure insufficient), U112300 (suspension actuator fault)

Shipping & Delivery


✅ Free Shipping to All US States

✅ Shipped directly from China, 7‑14 business days delivery

✅ Heavy‑duty shock‑resistant packaging protects electronic precision suspension components

Warranty & Installation

✅ Lifetime Manufacturer Quality Warranty

✅ Professional installation highly recommended for ADS system calibration

✅ Includes all required mounting hardware for direct replacement

Fitment List

Only for models with ADS Adaptive Damping System
  • Mercedes‑Benz GL‑Class X166 (2013‑): GL350, GL450, GL550, GL63 AMG
  • Mercedes‑Benz M‑Class W166 (2013‑): ML320, ML350

    Position: Front Left & Right (Pair Set Only)