This fuse relay box is compatible with 1999-2002 MERCEDES-BENZ W220 S430 and S500 models. Its A0275454532 05045123 part number ensures a perfect fit and easy installation. Keep your vehicle’s electrical system running smoothly with this high-quality module.

🔧 Part Overview

OEM Number: A 027 545 45 32 (sometimes with spaces or zeros: A0275454532, 027 545 45 32).
Component Type: SAM module – Signal Acquisition/Actuation Module (“body computer” or fuse/relay control unit).

🚗 Compatibility & Fitment

Vehicle Models

Mercedes-Benz S-Class W220 (sedan) and CL-Class W215 coupe, years 1998–2005/2006.
Commonly found in engines from S-280, S-320, S-430, S-500, and CL-500/CL-600 variants.

Engine Options

Petrol: 2.8L to 5.0L V8/V12 (incl. M112 3.2L, M113 5.0L V8, etc.)
Applicable to models including S500, S430, and CL55 AMG

✅ Key Features & Notes

Back: Located under right front area (fusebox/relay area in engine compartment)
Function: Controls power distribution to lighting, wipers, airbags, central locking, etc., acting like the vehicle’s network “router”
Condition: Often sold used/rebuilt; typical testing assures functional modules from 35k–100k km
Installation: Swapping requires VIN-based programming/coding; improper connection may trigger CAN‑bus issues or immobilizer errors

📝 Summary Table

OEM Number	Description	Fits Models (W220/W215, 1998–2006)
A 027 545 45 32	Right-side SAM module / body computer (fuse/relay box)	S‑Class W220 (S‑280, S‑320, S‑430, S‑500), CL‑Class W215

🛠️ Buying & Replacement Tips

Verify OEM: Match exactly to A 027 545 45 32 (and cross-reference 05045122/05045123).
Condition: Used units often priced €50–€100; tested units preferred.
Programming: Necessary coding with Mercedes diagnostic tools to sync VIN and CAN‑bus.
Symptoms of failure: Wipers stop, lights malfunction, central-locking failure, immobilizer/CAN errors.

Key features

Back : Located under right front area (fusebox/relay area in engine compartment)
Function : Controls power distribution to lighting, wipers, airbags, central locking, etc., acting like the vehicle’s network “router”
Condition : Often sold used/rebuilt; typical testing assures functional modules from 35k–100k km
Installation : Swapping requires VIN-based programming/coding; improper connection may trigger CAN‑bus issues or immobilizer errors

🚗 Compatibility & Fitment

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

A0275454532 05045122

1999-2002 Mercedes Benz W220 S430 S500 Fuse Relay Box A0275454532 05045123