Mercedes CL S Class C215 W220 Control Module Fuse Box Unit Holder A2205451840

The Mercedes CL / S‑Class C215 W220 Control Module with Fuse Box is an original electrical system component designed for precise circuit management and protection of key vehicle systems. As part of the Fuses and Fuse Boxes group, it ensures organized power distribution and convenient service access to electrical protection devices. This used OEM component allows for a technically correct replacement of a damaged module without altering the factory installation architecture.

Specifications and technical data

• SKU: A2205451840
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2205451840
• Substitutable numbers: A2205451840, A 220 545 18 40, AS
• Category: Fuses & Fuse Boxes

Vehicle Application and Function

The described control module with an integrated fuse box holder is used in Mercedes CL C215 and S-Class W220 models. It is responsible for the logical arrangement of fuses, stable mounting of fuse inserts, and correct power supply to individual vehicle consumers. Thanks to its factory design, compatibility with the original wiring harness is maintained, which reduces the risk of installation errors and diagnostic issues.

Construction and Technical Advantages

The module combines control and fuse-holding functions in a single housing, simplifying the electrical system and facilitating service. The arrangement of fuse sockets is optimized for quick circuit identification, and the holder's design ensures stable seating in the vehicle's mounting bay. The use of an original Mercedes solution promotes adequate resistance to thermal loads and vibrations typical of operation within the vehicle compartment.

Benefits of Using an Original Module

Choosing an original control module with a fuse box for the Mercedes CL / S‑Class C215 W220 allows you to:

• maintain compliance with factory service documentation and electrical diagrams,
• ensure correct interaction with other control units and onboard systems,
• minimize the risk of overheating or loose connections within the fuse area,
• facilitate electrical fault diagnostics due to a predictable circuit layout.

For workshops and private users, this translates to more predictable installation, shorter repair times, and greater confidence in the electrical system's operation after component replacement.

Condition and Service Application

The item is used, making it an attractive solution for economical vehicle repairs while maintaining the original manufacturer's specifications. This type of module is suitable for replacing a damaged fuse box, as well as for repairs after flooding, overheating, or localized wiring damage in the vicinity of the factory holder. A correctly chosen component allows for restoring proper circuit power supply without the need for installation modifications.

System Expansion and Related Part Selection

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other components from the same group, such as additional fuse boxes, holders, or housings, check the available parts in the Mercedes Fuses and Fuse Boxes category.

For larger service works within the powertrain and electrical system, it is also worth expanding your knowledge on diagnosing components that interact with the electrical system, such as the clutch or dual-mass flywheel – practical tips can be found in the article Clutch and Dual-Mass Flywheel – Diagnostics and Part Selection for the Powertrain.