Mercedes W221 Lamp Rear Left N/S Tail Light Obsidian Black 197 A2218200166

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W221 Lamp Rear Left N/S Tail Light Obsidian Black 197 is an original component from the Rear lights and brake lights group, designed for installation on the rear left side of the vehicle body. This used component ensures a factory-fit to the bodywork, color consistency with the Obsidian Black Metallic paint, and maintains the original styling lines of the W221 model.

Specifications and technical data

• SKU: A2218200166-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218200166
• Substitutable numbers: A2218200166, A 221 820 01 66
• Location on the vehicle: Rear, Left
• Color: Obsidian Black Metallic - 197
• Category: Rear Light Assemblies

Purpose and body fitment

The presented tail light is dedicated for installation in the Mercedes S-Class W221 generation on the rear left side of the vehicle. The design, based on the factory body specifications, guarantees proper alignment with the trunk lid, bumper, and fender line, which translates into an aesthetic appearance and correct lighting geometry.

The element was designed as an integral part of the rear lighting system, responsible for vehicle visibility on the road, brake signaling, and the correct placement of light points in accordance with the homologation requirements for this model.

Obsidian Black Metallic color – visual consistency

The lamp is finished in Obsidian Black Metallic – 197, which allows for maintaining a uniform paint surface in the rear area of the body. Thanks to this, the component is particularly well-suited for replacing a lamp after a collision or local painting, minimizing shade differences between the lamp and adjacent body panels.

Choosing the correct color for a Mercedes W221 is not only important for aesthetics but also affects the perceived value of the vehicle, especially in premium class cars, where finish consistency is a significant criterion for assessing the car's condition.

Technical characteristics and installation

The original tail light for the Mercedes W221 has been designed for precise installation at factory mounting points. Proper edge guidance and fitment to the body contours facilitate installation and reduce the risk of leaks at the connection point with the bodywork.

The used component allows for maintaining the original lighting characteristics of the vehicle, including the correct distribution of position and brake lights. When replacing, it is recommended to check the condition of the electrical wiring harness and power sockets to ensure stable operation of the entire rear lighting system.

Component condition and service application

The lamp comes from the used parts segment, which makes it a cost-effective solution for post-accident repairs, fleet vehicle service, or restoring a car to full functionality while keeping costs reasonable. This type of component is particularly useful in situations where the priority is to maintain the original vehicle specification without the need for aftermarket replacements.

Choosing an original tail light for the Mercedes W221 allows you to maintain technical consistency with other lighting system components, which is important for both safety and the vehicle's future resale value.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other elements from the same group, such as combination lamps, brake lights, or additional lighting modules, check the available parts in the Mercedes Rear lights and brake lights category.

When planning broader service work or vehicle upgrades, it is also worth expanding your knowledge about the used parts market – practical tips on assessing the condition of components, verifying the seller, and making a safe purchase can be found in the article How to buy a used car engine and not get scammed – a step-by-step guide, the principles of which can be successfully applied to other automotive components as well.