Mercedes W177 Door Rear Right O/S A-Class Polar White - 149

Listing details and visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

The offer applies to the bare door – without handle, window, lock, trims, or any other accessories.

There is an option to purchase a complete door for an additional fee of 80 GBP.

Mercedes W177 Door Rear Right O/S A-Class Polar White is an original body component from the Doors and door panels group, designed for the compact A-Class. The part ensures a factory-fit to the body lines, maintaining proper geometry and color consistency with the Polar White body paint. It is a practical solution for post-accident repairs, bodywork corrections, and precise restoration of the vehicle's side zone.

Specifications and technical data

• SKU: A1777301400-POL
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777301400
• Substitutable numbers: A1777301400, A 177 730 14 00
• Weight: 150
• Location on the vehicle: Rear, Right
• Color: Polar White - 149
• Category: Doors & Door Skins

Purpose and body fitment

The presented rear right door is dedicated to the Mercedes A-Class W177 model and is mounted on the rear passenger side of the body. Its placement in the side zone of the body allows for the restoration of the correct body line after mechanical damage or corrosion. The component is prepared for integration with factory hinge, lock, and seal mounting points, which facilitates the work of the body technician and painter.

Color and preparation for paintwork

The door comes in Polar White – 149 paint, which allows for a reduction in the scope of paintwork for vehicles of the same color. In practice, this means the possibility of:

• local paint correction instead of full component painting,
• easier shade matching during blending on adjacent panels,
• maintaining a consistent aesthetic of the side body section.

The factory color provides a good base for both restoration and full repainting if the car is to undergo a broader visual modification.

Technical characteristics and assembly

The door belongs to the Doors and door panels group, meaning it is designed as a load-bearing side skin element that works with the structure of the pillars and sills. The construction is intended for installation in the rear right part of the vehicle, maintaining factory gaps and character lines. The appropriately selected weight of the component promotes proper operation of the hinges and lock mechanism after correct adjustment.

During installation, it is recommended to check the body geometry, adjust the door position relative to the fender, sill, and pillar, and verify the operation of the lock and seals after initial fitting. Thanks to its original origin, the part works well with factory window mechanisms, upholstery, and electrical wiring if they are transferred from the previous component.

Benefits of using original Mercedes doors

Using the original rear right door for the Mercedes W177 allows for maintaining the structural and visual integrity of the vehicle. The most important advantages include:

• factory fitment to body lines and mounting points,
• easier adjustment of gaps and alignment relative to adjacent elements,
• preservation of the characteristic profile of the A-Class side body section,
• possibility of using existing sub-assemblies (window, lock, wiring harness) after transferring them.

This solution is particularly beneficial for post-accident repairs, where both aesthetics and proper door operation in daily use are important.

Mercedes Doors and door panels – expansion and modernization

If you are planning a comprehensive repair or modernization of the side body zone in your Mercedes and need other elements from the same group, such as skins, outer panels, or additional structural elements, check the available parts in the Mercedes Doors and door panels category.

More about the advantages of original used parts

To better plan your repair and consciously choose body components, it is worth knowing the specifics of original second-hand elements. Practical tips regarding the selection, durability, and cost-effectiveness of such solutions can be found in the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, which will help you assess how to effectively combine quality with a reasonable service budget.