What model is the Mercedes-Benz X166 chassis?

The X166 is the chassis code used for the GLS-Class (2nd Gen) models.

What years was the Mercedes-Benz X166 in production?

The X166 chassis was in production during the years 2012-2019.

How do I check the original factory options for a Mercedes X166?

You can enter your 17-digit Vehicle Identification Number (VIN) in our online decoder to instantly retrieve the official factory build sheet containing all OEM option codes.

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Mercedes-Benz X166
VIN Decoder & Factory Options

The Mercedes-Benz X166 is the chassis code for the GLS-Class (2nd Gen, years 2012-2019).

Instantly pull the official OEM build sheet and verify package codes before buying or selling.

Full Factory Options List

Original Paint & Upholstery

Exact Build Date

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Spending €1.99 now can save you thousands in workshop surprises or depreciation when you resell. Get the OEM production sheet your car left Stuttgart with.

Quick Buyer Checklist for the X166

772

AMG StylingVerify if it's a genuine factory aesthetic kit or aftermarket bumpers.

810

Premium Sound SystemConfirm Burmester/Harman Kardon presence or if they are just fake decorative grilles.

642

Dynamic LED HeadlampsOriginal intelligent headlamps (ILS) that shape the light beam vs basic halogen.

Buying a used Mercedes X166? Beware of the "Fully Loaded" trap.

Many used cars are advertised with premium packages that aren't factory original or omit major equipment gaps. A genuine AMG package or Intelligent LED light system (ILS) drastically alters the vehicle's true market value. Don't just take the seller's word for it.

The Used Market Problem

The X166 generation introduced complex electronic architectures and high-value optional packages that are frequently misadvertised by dealers and private sellers. As a buyer, the only way to guarantee what you're buying is through the original production sheet.

X166 Chassis Context:

Originally named the GL-Class, the X166 was facelifted to the GLS in 2016. It offers standard air suspension, dynamic driving modes, and three complete rows of passenger luxury.