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2115453901 Mercedes E Class W211 SAM Fuse Box Control Unit Module.
Product Description
The unit bearing OEM part number 2115453901 is a factory SAM (Signal Acquisition Module) fuse and relay block/control unit typically used in Mercedes‑Benz W211 E-Class and related models.
This module integrates the fuse-box and relay distribution system with the body electronics, managing power feeds, relay control, and body-bus signal distribution for things like lighting, central locking, windows, and other convenience/electrical subsystems.
Used or refurbished units are commonly available. When replacing, it’s important to:
Verify the exact part number 211 545 39 01 matches the label on your original unit.
Check the connector/harness layout and housing condition.
Confirm software/hardware variant compatibility (as incorrect versions may cause message-coding faults).
Some vehicles may require adaptation or coding of the SAM after installation.
Compatibility / Notes Table
Vehicle Model | Chassis / Platform | Approx Years | Module Part Number | Notes |
---|---|---|---|---|
Mercedes-Benz E-Class | W211 | ~2002 – 2009 | 211 545 39 01 | Front SAM module used in W211 models |
Mercedes-Benz CLS-Class | W219 | Overlapping era | 211 545 39 01 | Some parts listings suggest usage in CLS models for same part number |
Important Buying & Installation Notes
Even if the part number matches, different hardware/software revisions or option sets (e.g., lighting packages, alarm systems) may mean the unit isn’t plug-and-play.
Ensure the physical unit is free of water damage, corrosion or melted plastic—issues frequently reported on SAM modules.
Disconnect the vehicle battery before installing the module to avoid damage.
After installation, use appropriate Mercedes diagnostic tool to clear faults and adapt the module if required.
We are committed to providing you with the best service possible. Please read our shipping policy below for details on shipping options, costs, and delivery times.
All orders are processed within 1-2 business days. Orders placed on weekends or holidays will be processed the next business day. You will receive a tracking number once your order has shipped, so you can track your package every step of the way.
International customers are responsible for paying any customs duties or taxes that may apply upon delivery. These charges are not included in the shipping cost and vary by country.
If you have any questions regarding shipping, please feel free to contact our customer service team at sales@automanspareparts.com.
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