Mercedes-Benz S-Class W221 Rear Right Door Lock Trim Strip Cover A2217321021

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes-Benz S-Class W221 Rear Right Door Lock Trim Strip Cover is a precisely manufactured component from the Doors and door panels category, designed to protect the lock mechanism in the rear right door. Its robust construction and perfect fit for the specific body model ensure stable mounting and proper operation of the lock, which translates into comfort during daily use.

Specifications and technical data

• SKU: A2217321021
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217321021
• Substitutable numbers: A2217321021, A 221 732 10 21, EM
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Doors & Door Skins

Purpose and function of the component

The rear right door lock trim strip cover is responsible for protecting the lock mechanism against dirt, moisture, and minor mechanical damage. A properly selected component in this area of the body reduces the risk of premature lock wear, improves the operation of the door handle, and stabilizes the position of moving parts inside the door.

Its location in the rear right part of the vehicle means the component operates in a zone exposed to variable weather conditions and frequent door opening and closing, which is why the proper fit and tightness of the cover are essential for the durability of the entire door assembly.

Compatibility and fit for Mercedes W221

The presented cover has been designed specifically for the door construction of the Mercedes W221 model, which ensures proper alignment with the internal door panel structure and the lock mounting elements. Thanks to this, the installation process is straightforward, without the need for modifications or reshaping.

A dedicated solution for this body generation allows for maintaining the factory geometry of the lock cables and levers, which is important both for smooth operation and acoustics – it reduces unwanted vibrations and rattling coming from inside the door.

Visual and material characteristics

The black color facilitates aesthetic integration with the door structure, remaining invisible once the upholstery is reassembled, while ensuring visibility during service work. Such elements in the Doors and door panels group are designed to combine protective function with appropriate rigidity, which supports the stability of the entire lock module.

This solution is suitable both for standard replacement of a damaged cover and for more extensive bodywork and service tasks within the door area, where restoring the correct geometry and protection of the mechanism is crucial.

Condition, service application, and benefits of installation

The used component allows for an economical repair without compromising the original design intended for the specific model. For workshops and private users, this means the ability to restore full functionality of the door lock while maintaining a favorable cost-to-quality ratio.

Replacing a damaged or missing rear right door lock trim strip cover contributes to:

• increased protection of the lock mechanism against corrosion and dirt,
• reduction of play and unwanted noises from inside the door,
• more stable operation of the door handle and lock cables in daily use.

Door area expansion and additional components

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

For users interested in deepening their knowledge about typical operational problems in modern cars, useful supplementary materials may include guide articles, such as BMW E90 emergency engines: check what can ruin your budget!, which shows how a conscious approach to service allows for reducing the risk of costly repairs.