Mercedes-Benz C W203 Side Panel Light Lamp Bulb Holder Socket Rear Right O/S

Mercedes-Benz C W203 Side Panel Light Lamp Bulb Holder Socket Rear Right O/S is an original lighting system component designed for installation on the rear right side of the vehicle body. It ensures stable bulb seating, proper electrical connection, and consistency with the factory LED lamps and lights system in your Mercedes. This is a practical solution for users who want to restore full lighting functionality without compromising on fitment.

Specifications and technical data

• SKU: A2038200277
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038200277
• Substitutable numbers: A2038200277, A 203 820 02 77, EM
• Location on the vehicle: Rear, Right
• Category: Light Bulbs & LEDs

Purpose and function in the lighting system

The presented socket is a component of the rear lighting system, mounted on the rear right side of the vehicle. It is responsible for:

• mechanically holding the bulb in the correct position relative to the lamp lens,
• ensuring a stable electrical contact with the wiring harness,
• correctly transmitting light signals in accordance with the vehicle's factory configuration.

By maintaining the original geometry of the sockets and contacts, the holder works seamlessly with the factory rear side lamp, which reduces the risk of looseness, flickering, or overheating of the contacts.

Compatibility and fitment for Mercedes-Benz C W203

The element has been designed specifically for the Mercedes-Benz C-Class W203 model, which translates into proper fitment with the rear side lamp and electrical harness. The design of the holder accounts for:

• factory mounting points in the lamp,
• proper bulb guidance along the optical axis,
• connectors adapted to the electrical installation of the specific model.

Such fitment facilitates installation and allows for maintaining compliance with factory lighting parameters, which is important for both safety and road traffic regulation compliance.

Performance characteristics of the used component

The holder comes from the used Mercedes parts segment, meaning it is a component dismantled from a vehicle that retains the functionality intended by the manufacturer. In practice, this means:

• original materials and workmanship consistent with Mercedes standards,
• factory fitment to the lamp and electrical system,
• the possibility of an economical repair of the lighting system while maintaining OEM quality.

Choosing a used component allows you to reduce service costs while maintaining consistency with the other components of the vehicle's lighting system.

Application in the LED lamps and lights category

The rear side lamp bulb holder is part of the LED lamps and lights group, responsible for vehicle visibility and the clarity of light signals for other road users. A properly functioning holder:

• ensures stable bulb illumination without power interruptions,
• reduces the risk of damage resulting from overheating or sparking of contacts,
• supports the maintenance of uniform light distribution within the rear side lamp.

Thanks to this, the rear lighting system in the Mercedes-Benz C W203 maintains parameters close to factory specifications, which is important for both driving comfort and safety.

Support in selecting lighting and related parts

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 additional holders, power modules, or lamp components, check the available parts in the Mercedes LED lamps and lights category.

To better understand the importance of efficient lighting and the principles of selecting components, it is worth checking out the practical tips included in the article Seeing more and better – a complete guide to selecting and replacing used LED and Xenon headlights, where issues such as safety and the benefits of choosing original lighting components are discussed.