Mercedes CL S Class C215 W220 Roof Alarm Sensor Cover Trim Grey A2208215451

Mercedes CL S Class C215 W220 Roof Alarm Sensor Cover Trim is an original interior component from the Headliner and parts group, designed for installation in the rear section of the vehicle. The grey color of the cover allows for aesthetic integration with the factory roof finish, while the tailored geometry ensures proper positioning of the alarm sensor and stable mounting. This is a practical solution for users who want to restore the correct appearance and functionality of the alarm system in their Mercedes.

Specifications and technical data

• SKU: A2208215451
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2208215451
• Substitutable numbers: A2208215451, A 220 821 54 51, AS
• Location on the vehicle: Rear
• Color: Grey
• Category: Headliners & Parts

Purpose and function of the component

The alarm sensor cover mounted in the rear part of the roof is responsible for discreetly concealing the security system components without restricting the sensor's operation. Thanks to its precise fit to the roof structure of the Mercedes W220 model, the correct position of the alarm sub-assemblies and a consistent headliner line are maintained.

This element is particularly useful when replacing a damaged or missing cover after headliner removal, post-accident repairs, or interior upgrades. Factory fitment for the specific model reduces the risk of looseness, rattles, and poor alignment, which often occur with universal parts.

Color scheme and integration with the headliner

The grey shade of the cover has been selected for harmonious blending with the typical headliner color scheme in the Mercedes S-Class W220 generation. As a result, the component does not visually stand out from other parts after installation, which is crucial for maintaining a consistent interior look.

The Mercedes CL S Class C215 W220 Roof Alarm Sensor Cover Trim works well with factory upholstery materials, and its shape allows for proper adhesion to the headliner and adjacent trim elements. Aesthetic surface finishing helps minimize the visibility of previous repair marks in the rear roof zone.

Installation in the rear part of the vehicle

Positioning the cover in the rear of the vehicle requires following the correct sequence of work during the removal and reinstallation of the headliner. The element is designed for the specific roof geometry of the Mercedes W220, which facilitates proper alignment with the alarm sensor and mounting points.

During installation, it is worth paying attention to:

• correct routing of the alarm system wiring behind the headliner,
• careful snapping of the cover into the designated mounting points,
• checking that the sensor is not obstructed or pressed in a way that could limit its operation.

This approach allows for maintaining the full functionality of the security system and reducing the risk of unwanted noises from the rear roof area while driving.

Characteristics of the used product

The Mercedes CL S Class C215 W220 Roof Alarm Sensor Cover Trim is offered as a used part, which represents a reasonable compromise between cost and maintaining the manufacturer's original specifications. In practice, this means the ability to restore the completeness of the headliner and ensure proper sensor mounting without having to resort to replacements with uncertain fitment.

Original Mercedes origin promotes the maintenance of factory standards of fit and appearance, which is especially important in premium class cars, where interior details have a significant impact on the perception of the entire vehicle.

Complementary elements and technical knowledge

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other elements from the same group, such as additional grilles, headliner inserts, or sensor surrounds, check the available parts in the Mercedes Headliner and parts category.

When working with the headliner and body elements after a collision or interference with the alarm system, it is worth using practical tips regarding the selection of used OEM components. A detailed discussion of this topic can be found in the article Bodywork and chassis – post-accident repairs using dismantled parts, which helps to plan the repair in a safe and economical way.