Mercedes W204 Rear Side Window Moulding Trim Left N/S A2046706312

Mercedes W204 Rear Side Window Moulding Trim Left N/S is an original body component from the Doors and door panels group, designed for installation in the rear left section of the vehicle. This precisely fitted moulding provides an aesthetic finish to the window edge and ensures stable seal guidance, which contributes to the comfort and appearance of the side body area. It is a practical solution for Mercedes owners who want to maintain a consistent, factory-original look after repairs or component replacement.

Specifications and technical data

• SKU: A2046706312
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2046706312
• Substitutable numbers: A2046706312, A 204 670 63 12
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and function of the moulding

The described rear side window moulding has been specifically designed for the Mercedes W204 body and is mounted in the rear – left side area. It is responsible for the aesthetic closure of the window edge, proper seal guidance, and preventing water and debris from entering the door interior. Thanks to its factory geometry and correct profile, the component works perfectly with the window and other door parts.

Construction and body fitment

The moulding is a body part from the Doors and door panels group, meaning it was developed to maintain the correct mounting gaps and side lines characteristic of the W204 model. Its proper profiling allows for:

• a seamless connection with the door frame and rear window on the left side,
• maintaining uniform gaps between body elements,
• stable seating of the seal along the window edge.

Such fitment facilitates installation and reduces the need for additional adjustments after replacing the part.

Application in body repairs

The rear left side window moulding is particularly useful for post-collision repairs, door or window replacements, as well as for eliminating leaks and wind noise. Replacing a worn or damaged moulding with an original Mercedes part allows you to:

• restore the factory look of the side body,
• improve seal adhesion and reduce air drafts,
• increase acoustic comfort inside the vehicle.

For body shops and service centers specializing in the Mercedes brand, this is a practical component that facilitates complete door and window area repairs.

Product characteristics and condition

The offered moulding is a used part, which in practice means a beneficial combination of original quality and an attractive price compared to new parts. The construction is specific to the W204 model, allowing the moulding to be used as a replacement for the factory-installed part without the need for body modifications. This is a good solution for users who want to keep their car in a condition close to factory-original while optimizing repair costs.

Comprehensive door area modernization

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other components from the same group, such as door skins, reinforcements, or additional mouldings, check out the available parts in the Mercedes Doors and door panels category.

To better plan service work on your car and understand how individual systems affect vehicle operation, it is also worth reading an article describing the exhaust gas recirculation system – you can find it here: EGR: what it is and why it is worth considering used EGR valves.