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The Headlight Housing W166 is a high quality replacement component designed for Mercedes Benz ML-Class SUV models on the W166 chassis from 2012 to 2015. It is intended to replace a damaged or cracked original headlight body while retaining your existing lens, bulbs or lighting modules, and electronic control units.
This product is supplied as the housing only, no lens is included. You reuse the original clear lens and internal lighting components where they are still in good condition. The housing restores correct mounting, sealing, and structural support for the headlight assembly without any modification to the vehicle. Sold per side, choose left or right to match the vehicle.
Key Features:
OEM-Style Design: Engineered to match the original Mercedes Benz W166 headlight housing for accurate fitment on ML-Class SUV models.
Housing Only: Supplied without lens, bulbs, halogen or xenon projectors, LED modules, drivers, control units, rear covers, or wiring, these are transferred from the original unit where serviceable.
Durable Construction: Manufactured from automotive grade plastic to withstand heat, vibration, and daily driving conditions.
Precise Fitment: Uses factory mounting points and brackets for straightforward installation and correct alignment with bumper, fender, and bonnet lines.
Proper Sealing Surfaces: Restores the integrity of gasket and sealing interfaces to help reduce moisture and condensation when correctly assembled with good seals.
Repair Focused Solution: Ideal for vehicles with cracked or broken housings where the lens and internal lighting components can be reused, helping to keep repair costs under control.
Compatibility:
Suitable for Mercedes Benz ML-Class models equipped with factory projector type headlights:
ML-Class SUV (W166) 2012 to 2015
Additional notes:
Works with the original headlamp type fitted from the factory, including halogen with projector or xenon, depending on variant.
Not suitable for later GLE W166 AFS specific housings unless specified, and not suitable for first generation W164 ML models.
Fitment may vary depending on exact headlight option, always match the housing to the existing headlight on the vehicle and confirm with VIN.
Related Part Numbers:
Compatible with the corresponding OEM W166 headlight housing part numbers for Mercedes Benz ML-Class. Complete lamp assemblies for this chassis often fall within part number families such as A166 906 xx xx and A166 907 xx xx for left and right, with suffixes for lighting type and market. Always confirm using your VIN and the markings on your original headlight before ordering.
Why Choose TOParts:
TOParts supplies Mercedes Benz replacement components engineered for precise fitment, reliability, and professional repair results. Our parts are selected to support workshop quality repairs and long term vehicle dependability while helping you avoid the high cost of complete headlamp replacement.
Q&A:
Q1: Does this include the headlight lens?
A1: No, this product is the housing only. The clear lens, bulbs, and any xenon or LED modules and control units must be transferred from your original headlight or purchased separately.
Q2: Can I reuse my existing lens and lighting components?
A2: Yes, provided they are undamaged and compatible, you can reuse your original lens, bulbs, projectors, xenon or LED modules, drivers, and control units with this housing.
Q3: Is this a direct replacement for the original housing?
A3: Yes, it is designed as a direct fit replacement that uses the same mounting points and general layout as the factory Mercedes Benz W166 headlight housing on ML-Class SUV models.
Q4: Does this fit all W166 ML models?
A4: It is intended for Mercedes Benz ML-Class W166 models from 2012 to 2015. Headlight options differ between halogen, xenon, and some LED variants, so it is important to match the housing to your existing headlight type and confirm compatibility with your VIN before purchase.
Q5: Are bulbs, modules, or control units included?
A5: No, bulbs, xenon or LED modules, drivers, control units, rear covers, and wiring are not included and must be transferred from the existing headlight assembly or sourced separately.


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