A1663206866  A1663201313 Front Right Air Suspension Shock Strut With ADS for Mercedes-Benz  ML GL X166 W166 DODG

A1663206866 A1663201313 Front Right Air Suspension Shock Strut With ADS for Mercedes-Benz ML GL X166 W166 DODG

1. Product Introduction

Original OE Number: A1663206866, A1663201313

Product Name: Mercedes‑Benz Front Right Air Shock Absorber, Front‑Right Air Suspension Strut Assembly, W166/X166 Air Spring Strut, Front‑Right Electronic ADS Air Damper Assembly

Installation Position: Front axle right side. Fits Mercedes‑Benz W166 / X166 chassis ML‑Class, GL‑Class, GLE‑Class, GLS‑Class and DODGE (2013‑NOW) equipped with factory Airmatic air suspension with ADS adaptive damping system. It is a critical load‑bearing, pressure‑retaining and damping vulnerable component for front‑right air suspension, high‑demand spare part for after‑sales repair.

Product Description

A1663206866 and A1663201313 are iterative interchangeable front‑right air strut assemblies with ADS for W166/X166 chassis. As core executive component of Airmatic‑ADS system, it integrates high‑pressure burst‑proof air spring, precision hydraulic damper, ADS electronic control solenoid valve and multi‑layer composite sealing structure. It realizes load‑bearing, automatic height adjustment, road bump absorption, corner posture balance and high‑speed anti‑vibration performance. The ADS solenoid valve adjusts damping stiffness in real‑time according to road condition. It maintains correct front‑right ride height, filters fine road vibration and rough‑road impact, suppresses body floating, corner roll and brake dive, and improves high‑speed stability, steering precision and premium riding comfort.

Air struts on W166/X166 and matched DODGE vehicles are high‑wear chassis parts. Under continuous vehicle load, frequent road impact, temperature cycling, chassis dirt‑moisture erosion and repeated inflation‑deflation cycles, original air spring rubber tends to harden and crack. Inner sealing membrane fatigue rupture, oil seal leakage, hydraulic oil degradation and aging ADS solenoid cause slow air leakage, insufficient pressure retention, weak damping and ADS fault codes. Typical failure symptoms: front‑right sag, vehicle sink after overnight parking, obvious left‑right height difference, frequent air compressor cycling, slow lifting speed, height calibration failure, air‑suspension & ADS warning lamp on, bouncy performance over speed bumps, floating feeling at high speed and loose steering. Continuous driving with defective struts will accelerate damage to air compressor, valve block, air dryer and height sensor, resulting in cascading failure of whole air suspension and high repair cost.

This front‑right air strut is 1:1 reproduced per Mercedes‑Benz OEM specifications. Overall stroke, pressure‑bearing rating, damping coefficient, airspring pressure resistance, mounting holes and bushing dimensions fully match OEM standards. Equipped with OEM‑spec ADS solenoid valve. Adopts thickened multi‑layer anti‑aging high‑pressure rubber airspring, double anti‑leak sealing structure, anti‑rust thickened piston rod and wide‑temperature long‑life hydraulic oil. Optimized anti‑aging, anti‑cracking, anti‑corrosion and anti‑fatigue performance solves common OEM defects such as air leakage, front‑end sag, damping decay, poor low‑temperature pressure retention and abnormal ADS signal. This is ADS‑equipped air‑hydraulic version. Vehicle‑position‑specific for front right, direct bolt‑on installation without chassis modification. ADS calibration is required after installation, fully compatible with original Airmatic & ADS ECU. After replacement, it fixes front‑right collapse, slow air leakage, abnormal height adjustment, loose chassis and ADS fault codes, restores original tight chassis texture with low rework rate. Suitable for repair‑shop maintenance, auto‑parts wholesale and cross‑border export.

Core Advantages ✅ 1:1 OEM reproduction, dual interchangeable OE numbers, perfectly matched hole position, stroke and damping parameters, built‑in ADS solenoid valve, direct bolt‑on fit ✅ Solves W166/X166 common air‑suspension faults: front‑right sag, air leakage after parking, uneven body height, air‑suspension warning, ADS fault codes, compressor over‑wear ✅ Multi‑layer thick high‑pressure airspring, wide temperature tolerance, anti‑aging & crack‑resistant, reduces slow‑leak risk ✅ ADS‑equipped version, fits Mercedes‑Benz ML‑Class / GL‑Class / GLE‑Class / GLS‑Class W166/X166 and DODGE 2013‑NOW, wide compatibility ✅ Exclusive front‑right unit, must be used paired with front‑left strut, corrects body tilt for stable & safe driving ✅ Complete pre‑assembled unit, no extra accessories needed, easy installation, restore original chassis driving quality after ADS calibration

2. Custom Attributes for E‑commerce Listing

Brand: Mercedes‑Benz / DODGE Chassis Code: W166 / X166 Compatible Models: ML‑Class, GL‑Class, GLE‑Class, GLS‑Class, DODGE (2013‑NOW) Applicable Version: Factory Airmatic air suspension, with ADS adaptive damping system Non‑applicable Version: Vehicles without ADS, mechanical coil spring suspension, modified air suspension or other chassis platforms Applicable Years: 2013‑NOW Installation Position: Front axle, right‑side only, cannot interchange with front‑left Product OE: A1663206866, A1663201313 Product Type: Air Shock Absorber Assembly with ADS, Air Suspension Strut, Front Air Spring Strut, Electronic Air‑Suspension Damper Assembly Assembly Feature: Brand‑new complete air strut assembly including air spring, damper cylinder, ADS solenoid valve, full sealing kit, upper & lower mounting seats Material: High‑strength anti‑aging high‑pressure rubber airspring, anti‑rust piston rod, pressure‑resistant alloy cylinder tube, composite sealing oil seal, long‑life hydraulic damping oil, OEM‑spec ADS solenoid assembly Process Standard: OE parameter reproduction, high‑pressure holding test, reciprocating fatigue test, high‑low temperature aging test, 100% air‑tightness inspection, damping calibration, ADS solenoid signal test Compatibility Note: Only for W166/X166 and DODGE 2013‑NOW Airmatic vehicles with ADS. Not fit for non‑ADS or mechanical spring models. Left‑right struts cannot be mixed. Sales Mode: Retail, bulk wholesale, full‑container export orders Inspection Standard: 100% air‑tightness pressure‑holding test, damping coefficient test, fatigue compression test, ADS solenoid signal test, full dimension & appearance inspection Packaging: Reinforced neutral carton; customized color box, neutral export package and private‑label OEM available Working Condition: City road, highway, rough road condition; compatible with original Airmatic & ADS ECU logic Risk Warning: Exclusive for front‑right position, do not mix with front‑left strut. Pair‑replacement is recommended. Air‑leak test, ride‑height calibration and ADS matching calibration must be completed after installation. Recommended Matching Parts: Can be inspected & replaced together with air strut repair kit, air compressor, air dryer, valve block, height sensor and valve block to eliminate whole‑system hidden troubles.

3. Compatible Vehicles

Exact Compatible Model List

1. Mercedes‑Benz ML‑Class (W166) 2013‑NOW, Airmatic with ADS
2. Mercedes‑Benz GL‑Class (X166) 2013‑NOW, Airmatic with ADS
3. Mercedes‑Benz GLE‑Class (W166) 2013‑NOW, Airmatic with ADS
4. Mercedes‑Benz GLS‑Class (X166) 2013‑NOW, Airmatic with ADS
5. DODGE 2013‑NOW, matched Airmatic with ADS configuration

4. Interchangeable OE Numbers

Main OE Numbers: A1663206866, A1663201313 Interchangeable OE Numbers: A1663202613, A1663205066, A1663207416

5. FAQ

Q1: Which vehicles fit A1663206866 / A1663201313? A: Fits Mercedes‑Benz W166 ML‑Class, X166 GL‑Class/GLE‑Class/GLS‑Class and DODGE 2013‑NOW with factory Airmatic with ADS configuration. Not for non‑ADS or mechanical‑spring vehicles.

Q2: Can these two OE numbers replace each other? A: Yes, they are iterative OEM parts with identical dimension, parameters, ADS solenoid and mounting interfaces, direct interchange is allowed.

Q3: Is this strut for front‑right? Can it swap with front‑left unit? A: This unit is front‑axle right‑side exclusive. Corresponding front‑left OE: A1663206766 / A1663202513. Left‑right have different geometry and parameters. Mix‑use is forbidden, otherwise body tilt, Airmatic/ADS fault codes and abnormal height adjustment will occur.

Q4: Can I install this on vehicles without ADS adaptive damping? A: Not applicable. This strut is built‑in with ADS solenoid valve. Non‑ADS vehicles lack related wiring and control logic, fault codes will be triggered.

Q5: Does computer programming & calibration need after replacement? A: Calibration is required. Perform ride‑height adjustment and ADS solenoid matching, bleed pipeline air, run air‑leak test and clear fault codes.

Q6: What symptoms indicate air strut replacement? A: Front‑right sag, vehicle sinks after overnight parking, uneven body height, frequent compressor operation, slow lifting, air‑suspension / ADS warning lamp on, bouncy ride over pits and floating steering at high speed. These mean air‑spring leakage or ADS solenoid failure and replacement is required.

Q7: Can I replace only one single strut? A: Pair‑replacement is strongly recommended. Mismatched damping and pressure‑retention performance between old and new units may cause body tilt, steering offset and abnormal corner roll, which affects driving safety.

6. Custom Service

1. OEM Private Label Customization: Support logo printing, neutral no‑label export package and customized color box, suitable for  Amazon, eBay and other cross‑border platforms.
2. Bulk Supply Service: A1663206866 / A1663201313 in stock. Support retail, large‑volume wholesale and full‑container export with stable supply and fast lead‑time.
3. Complete Air‑Suspension Parts Supply: One‑stop supply for full W166/X166 & DODGE air‑suspension components: air struts, air compressor, air dryer, valve block, height sensor, repair kits and more.
4. E‑commerce Material Support: Provide real‑product photos, close‑up pictures, OE cross‑reference table, compatible‑vehicle list and installation reference documents for store listing and short‑video marketing.