Photos Photos

Front Right Air Suspension Strut for Mercedes-Benz W166 ML-Class & X166 GL-Class 2011-2017 | OE 1663205066

Restore your Mercedes-Benz SUV’s legendary ride quality with this premium Front Right Air Suspension Strut. Engineered as a direct OE replacement for W166 ML-Class and X166 GL-Class models (2011–2017), this complete strut assembly delivers factory-level damping performance, stable ride height control, and quiet, smooth operation. Built with high-grade materials and precision manufacturing, it ensures long-term durability and reliable suspension performance. Ideal for replacing worn or leaking air struts to restore original driving comfort. Compatible OEM numbers: 1663205066 / 1663202613 / 1663207413 / 1663205466 / A1663205066 / A1663202613 / A1663207413.

  • OEM No.
    plus minus

    1663205066, 1663202613, 1663207413, 1663205466, A1663205066, A1663202613, A1663207413

  • Vehicle Fitment
    plus minus

    Mercedes-Benz W166 ML-Class (2011-2015), X166 GL-Class (2012-2016), GLE-Class W166 (2015-2018), GLS-Class X166 (2015-2019)

  • Highlights
    plus minus
    1. Designed for the front right side for accurate fitment.
    2. Compatible with Mercedes-Benz W166 ML-Class and X166 GL-Class models.
    3. Built for smooth ride comfort, stability, and improved suspension performance.
    4. Direct-replacement style for easier installation and dependable operation.
    5. Suitable for model years 2011-2017.
Request a Quote

DESCRIPTION

High-Quality Construction
Our air compressor is brand-new and built to reliable aftermarket standards.
Precise OEM Compatibility
Produced strictly according to original accessory specifications, with no debugging required.
OE-Level Performance Testing
Working current and voltage are fully tested to meet OE quality standards.

Technical Parameters

Product Type
Front Right Air Suspension Strut / Shock Absorber
Position
Front Right (Passenger Side)
Compatible OE Numbers
1663205066, 1663202613, 1663207413, 1663205466, A1663205066, A1663202613, A1663207413
Vehicle Fitment
Mercedes-Benz W166 ML-Class (2011-2015), X166 GL-Class (2012-2016), GLE-Class W166 (2015-2018), GLS-Class X166 (2015-2019)
Suspension System
Airmatic (without ADS)
Construction
Gas-filled, precision-sealed piston with integrated air spring
Warranty
1 Year / 12 Months
Installation Type
Direct replacement — no modifications required
Material
High-grade steel body, OEM-quality rubber air bellows

Product Overview

The 1663205066 Mercedes air suspension strut is engineered for Mercedes-Benz W166 and X166 models, delivering precise ride height control and restoring smooth suspension performance on the front-right axle. It replaces worn or leaking air struts and helps the vehicle regain stable handling characteristics. In addition, it ensures consistent chassis balance by managing air pressure distribution during different driving conditions.

Material Structure and Engineering Design

This suspension strut is built with reinforced rubber air spring technology combined with high-strength aluminum alloy housing. The internal sealing system is designed to maintain airtight performance over long-term operation cycles. Moreover, precision-machined fittings and corrosion-resistant connectors improve durability in both urban and off-road environments. Because of its OEM-standard design, the component fits directly into the original suspension system without modification.

Application Fields

The Mercedes air suspension strut is widely used in Mercedes-Benz SUVs such as the W166 ML-Class and X166 GL-Class equipped with factory air suspension systems. It is suitable for luxury SUVs, executive transport vehicles, and long-distance driving applications. Furthermore, it is commonly applied in automotive repair workshops, Mercedes-Benz service centers, and suspension system rebuilding facilities. Therefore, it supports both individual replacement needs and professional maintenance operations.

Performance Advantages

A properly functioning air suspension strut improves ride comfort and vehicle stability significantly. It actively adjusts suspension height to maintain proper chassis alignment during acceleration, braking, and cornering. As a result, the vehicle achieves smoother handling and more predictable steering response. Meanwhile, road impact and vibration are effectively reduced, minimizing stress on other suspension components. Compared with worn or leaking units, this replacement part restores original factory-level performance and enhances driving safety.

Installation and Practical Value

The unit is designed for direct-fit installation, allowing technicians to complete replacement quickly with minimal adjustment work. Because it follows OEM specifications, it integrates seamlessly into the original Mercedes suspension architecture. Additionally, it provides a cost-effective alternative to full suspension system replacement while ensuring long-term durability. Overall, the Mercedes air suspension strut delivers reliable performance, improved comfort, and consistent support for demanding SUV applications.

FAQ

1. What vehicles does this air suspension strut fit?
It fits Mercedes-Benz W166 ML-Class and X166 GL-Class models from 2011-2017.

2. Which side is this part for?
This part is for the front right side.

3. What are the reference numbers?
The reference numbers shown are 1663202613, 1663207413, 1663205466, and 1663205066.

4. Is this a direct replacement part?
Yes, it is intended as a replacement suspension component for compatible Mercedes-Benz models.

5. Why choose this suspension strut?
It helps restore ride comfort, handling stability, and suspension performance.