Mercedes C216 W221 Fuel Tank Pump Cover Rear Access Panel Plate A2216100089

Mercedes C216 W221 Fuel Tank Pump Cover Rear Access Panel Plate is an original service component designed for the rear section of the vehicle body, ensuring safe and organized access to the fuel module. Thanks to its factory fitment, the cover guarantees proper sealing of the space above the tank, which helps maintain optimal operating conditions for the fuel system and facilitates future service procedures. It is a practical solution for users and workshops that want to maintain the structural integrity of the vehicle and the aesthetics of the assembly.

Specifications and technical data

• SKU: A2216100089
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2216100089
• Substitutable numbers: A2216100089, A 221 610 00 89
• Location on the vehicle: Rear
• Category: Other Car Parts & Accessories

Purpose and function of the component

The fuel tank pump cover in Mercedes C216 / W221 models serves as a service cover in the rear part of the vehicle. It secures the technological opening leading to the fuel module, protecting the installation from contaminants from the interior and trunk, and limiting moisture penetration. At the same time, it allows for quick access to fuel components during diagnostics or replacement, without the need to remove the tank.

By maintaining the original geometry and mounting points, the cover allows for proper alignment with factory upholstery elements and the trunk floor, which translates into stable seating and the absence of unwanted play or vibrations during operation.

Construction and fitment to the rear of the vehicle

The component has been designed specifically for placement in the rear zone of the body, where access to the fuel tank is provided through a dedicated service opening. The design of the cover includes:

• a properly profiled working surface matched to the shape of the floor above the tank,
• factory mounting points allowing for stable bolting or snapping into place,
• a working space allowing for the routing of cables and connectors without excessive bending.

Such a solution promotes the maintenance of proper fuel and electrical installation routing, which is important for both safety and subsequent service maintenance.

Use in service and repairs

The fuel tank pump cover is particularly useful when:

• replacing the fuel pump module or fuel level sensor,
• diagnosing the fuel system without removing the tank,
• restoring the completeness of covers after previous repairs where the element was damaged or lost.

The used, original component allows for maintaining structural consistency with factory solutions, which is important for workshops specializing in the Mercedes brand and for users who care about the technical correctness of the vehicle.

Benefits of using the original cover

Using this cover in C216 and W221 models brings a number of practical benefits:

• Factory fitment – no need for modifications, drilling, or adjusting replacements.
• Facilitated service access – the possibility of repeated disassembly and assembly during work on the fuel system.
• Protection of the space above the tank – limiting the ingress of dust, small objects, and moisture into the vicinity of the fuel module.
• Consistency with the vehicle structure – maintaining the original layout of covers and upholstery in the rear part of the car.

Part selection and additional technical information

When selecting a cover for a specific vehicle, it is worth verifying compatibility by the OEM part number or the VIN to ensure that the element will work properly with the given body variant and fuel system configuration. In case of doubt, comparing the shape and mounting method with the currently installed cover or service documentation may be helpful.

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as covers, access plates, or additional service covers, check the available parts in the Other Mercedes category.

Substantive support and knowledge about parts

When working with fuel systems and selecting original components, knowledge of the differences between equipment versions and engine variants is helpful. In the broader context of selecting OEM parts and analyzing technical solutions in premium class cars, it is worth reaching for expert materials, such as the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the manufacturers' approach to designing key components and selecting service parts.