Mercedes-Benz W166 Centre Console Armrest Trim Cover Panel Housing A1666800252

Mercedes-Benz W166 Centre Console Armrest Trim Cover Panel Housing is an original interior component from the Centre and roof consoles group, designed for the W166 series models. It is a practical cover that organizes the space around the armrest, improves ergonomics, and restores the consistent look of the factory Mercedes-Benz interior finish.

Specifications and technical data

• SKU: A1666800252
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666800252
• Substitutable numbers: A1666800252, A 166 680 02 52, A 166 680 17 52, A1666801752, A 166 680 39 03, A1666803903
• Part type: Centre Console Assembly
• Category: Centre & Overhead Consoles

Purpose and function of the armrest cover

The armrest cover in the centre console of the Mercedes-Benz W166 is responsible for the aesthetic finish of the central part of the interior and protects the armrest mechanism from dirt. This component:

• masks the structural connections of the centre console,
• stabilizes the armrest housing relative to the rest of the console,
• limits the ingress of small objects into the mechanism,
• contributes to the visual consistency of the cabin in line with the Mercedes standard. By using the original cover, the factory geometry and fitment of the centre console components are maintained, which is important for both user comfort and future interior servicing.

Benefits of using an original Mercedes cover

Choosing an original armrest cover for the Mercedes-Benz W166 allows you to avoid problems typical of lower-quality aftermarket replacements. The component from this group:

• is designed for the specific structure of the W166 centre console,
• ensures repeatable, predictable fitment to factory mounting points,
• maintains the stylistic line characteristic of Mercedes-Benz interiors,
• facilitates the removal and reinstallation of other console components during service. By using original elements from the Centre and roof consoles category, you reduce the risk of improper installation, squeaking, or looseness that often occur with dimensionally incompatible parts.

Component characteristics and service application

The armrest cover for the W166 centre console is a typical element used for:

• local repairs of the armrest mechanism,
• replacing worn or damaged parts of the centre console,
• restoring the interior to a state close to factory condition after intensive use,
• completing missing details after previous unprofessional repairs. The product comes from the Mercedes group, which means it maintains the original assembly specifications and compatibility with other interior elements intended for the W166 series.

Component condition and installation aspects

The cover is offered as a used part, which in service practice often represents a reasonable compromise between cost and maintaining original build quality. This type of component is particularly useful when:

• the existing cover is cracked, broken, or deformed,
• it is necessary to replace a missing element after console disassembly,
• the priority is to maintain a consistent interior look without interfering with the factory structure. With proper installation, the cover works with the other parts of the centre console, requires no additional modifications, and allows for the maintenance of armrest functionality according to the manufacturer's specifications.

Interior upgrade expansion and additional resources

If you are planning a comprehensive repair or upgrade of the central interior zone in your Mercedes and need other elements from the same group, such as tunnel housings, panels around the gear shifter, or additional trim modules, check the available parts in the Mercedes centre and roof consoles category. If you are interested in a broader context of using original used parts in premium cars and want to better understand how to optimize service costs while maintaining high quality, it is worth reading the article Luxury within reach – how to service a legendary Porsche brand using proven used parts, which discusses a practical approach to selecting salvaged components.