Mercedes C216 W211 Boot Lid Tailgate Open Release Control Switch A2218209510

Mercedes C216 W211 Boot Lid Tailgate Open Release Control Switch is an original component from the Switches, control elements and ignition locks group, designed for convenient control of the trunk lid lock. It is a practical solution for drivers who want to restore full functionality of the trunk release system in their Mercedes, while maintaining factory ergonomics and interior consistency.

Specifications and technical data

• SKU: A2218209510
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218209510
• Substitutable numbers: A2218209510, A 221 820 95 10
• Category: Switches & Controls

Purpose and function of the trunk release switch

The trunk release switch in Mercedes C216 and W211 models is responsible for the electrical release of the trunk lid lock from the vehicle's exterior or interior (depending on the specific vehicle configuration). This component works with the vehicle's electrical system and comfort modules, enabling:

• efficient opening of the trunk without using a mechanical key,
• maintaining convenient trunk operation in daily use,
• integration with the factory body control system.

Thanks to the original design, the switch is matched to the factory mounting points and electrical harness, which facilitates installation and reduces the risk of compatibility issues.

Construction and integration with the control system

The offered component belongs to the Switches, control elements and ignition locks group, which means it is part of a wider body control system in the Mercedes. The switch works with:

• the electrical installation responsible for power supply and control signals,
• modules responsible for central locking and comfort functions,
• the trunk lid lock mechanism.

Such integration allows for consistent operation of the entire system – from pressing the button, through signal processing, to the physical unlocking of the trunk lid.

Benefits of using an original Mercedes switch

Using an original trunk release switch in a Mercedes C216 or W211 brings a number of practical benefits:

• Factory fit – maintaining original geometry, mounting points, and electrical connectors.
• Consistent ergonomics – appearance and operation consistent with other control elements in the cabin or on the body.
• Stable cooperation with vehicle electronics – no need for wiring modifications or the use of adapters.

This solution is particularly recommended for repairs following mechanical damage, operational wear, or issues with the switch's responsiveness.

Characteristics of the used component

The offered switch comes from the used parts segment, which allows combining the functionality of an original component with a more favorable purchase cost. Such elements are frequently chosen for servicing older vehicles, where both compliance with factory specifications and repair economy are important.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system and the proper operation of the trunk lock to ensure that the entire trunk control system will work in a predictable and repeatable manner.

Expanding the control system in your Mercedes

If you are planning a comprehensive repair or upgrade of the body control zone in your Mercedes and need other elements from the same group, such as buttons, switches, or ignition lock components, check out the available parts in the Mercedes Switches, control elements and ignition locks category.

When working with control and comfort systems, it is also worth checking out the guide on used vehicle electronics – you will find practical tips in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

If you are also servicing the braking system in parallel and considering purchasing used components, you will find helpful information on safe selection in the material Second-hand braking system: how to safely choose discs, calipers, and ABS?.