Genuine OEM left side mirror turn signal lamp for Mercedes‑Benz W166 (ML-Class) and X166 (GL-Class) models, including GLE and GLS variants. This high-quality LED indicator is designed to replace the original side mirror lamp, ensuring proper fitment and functionality. Available in new or quality-tested used condition.
Key Features
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OEM Quality: Fully genuine Mercedes-Benz part A1668200121, ensuring factory fit and durability.
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LED Technology: Provides bright and energy-efficient illumination.
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Sequential Lighting: Features dynamic turn signal functionality for enhanced visibility and modern aesthetics.
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Compatibility: Designed for left (driver side) mirror applications.
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Easy Installation: Plug-and-play design for straightforward replacement.
Specifications
| Field | Details |
|---|---|
| Part Number | A1668200121 |
| Position | Left |
| Lighting | LED, Sequential Turn Signal |
| Material | High-quality plastic and LED components |
| Compatibility | ML-Class W166, GL-Class X166, GLE, and GLS models (2012–2019) |
Fitment Compatibility
This left side mirror turn signal lamp is compatible with the following Mercedes-Benz models:
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W166 (ML-Class): ML250, ML350, ML400, ML500, ML63 AMG (2012–2015)
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X166 (GL-Class): GL350, GL450, GL550, GL63 AMG (2012–2015)
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GLE-Class: GLE250, GLE350, GLE400, GLE450 AMG (2015–2019)
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GLS-Class: GLS350, GLS400, GLS450, GLS550 (2016–2019)
Please verify that your vehicle is equipped with the standard side mirror before purchasing.
Opposite Side Availability
Right side mirror turn signal lamp (A1668200221) is also available.
Availability
Available at Mercedes Air Suspension Store in Pretoria West. Delivery anywhere in South Africa via courier within 2–5 business days.




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