Mercedes-Benz SL Body Control Module Replacement Parts
Get quotes for a used or replacement Mercedes-Benz SL body control module. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.
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Buying a used Mercedes-Benz SL body control module: what matters
Fitment on a used body control module varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
- State your VIN or engine code if known
Other used Mercedes-Benz SL parts
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- Used Mercedes-Benz SL Ignition Barrel
- Used Mercedes-Benz SL Heater Motor
- Used Mercedes-Benz SL Propshaft
- Used Mercedes-Benz SL Scuttle Panel
- Used Mercedes-Benz SL Alloy Wheels
- Used Mercedes-Benz SL Instrument Cluster
- Used Mercedes-Benz SL Front Cross Member
- Used Mercedes-Benz SL Handbrake Lever
- Used Mercedes-Benz SL Drive Shaft
- Used Mercedes-Benz SL Rear Panel
Used body control module for other Mercedes-Benz models
Fitment questions
What is a Body Control Module and does the Mercedes-Benz SL actually have one?
The Mercedes-Benz SL does have a Body Control Module (BCM), sometimes referred to in Mercedes documentation as the SAM (Signal Acquisition and Actuation Module), which manages functions such as lighting, central locking, wipers, and interior electrics. It is fitted across all SL variants regardless of engine. If you see listings using the SAM terminology, these refer to the same type of unit.
Will a Body Control Module (SAM unit) from an R129 SL fit my R230 SL?
No — the R129 (1989–2001) and R230 (2001–2012) are entirely different generations with different electrical architectures, and their SAM units are not interchangeable. You must source a unit from the correct generation for your car, and confirm the exact part number with the breaker against your registration to be certain.
Does a Body Control Module from an early R230 SL (2001–2004) fit a facelifted R230 (2006 onwards)?
The R230 received a notable facelift in 2006 which brought updates to the electrical systems, so whether a pre-facelift SAM unit crosses that boundary safely is not something to assume. Name the exact year of both the donor and your car when contacting the breaker, and ask them to match part numbers against your registration before buying.
I have an R231 SL — will a Body Control Module from any year of the R231 range fit my car?
The R231 ran from 2012 to 2020 and received updates during its production life, meaning SAM units from different years within that generation may not be identical. Confirm the specific year and any mid-cycle changes with the breaker, quoting your registration, to ensure the part number is a genuine match before purchasing.
Does the trim level of my SL affect which Body Control Module I need — for example, does an SL 400 unit differ from an SL 500 unit?
Trim and equipment level can affect the SAM unit on the SL, because higher-specification cars may have additional features such as adaptive lighting or advanced driver aids that the module is configured to manage. Unlike cosmetic trim differences, this is a case where you should confirm with the breaker against your exact registration rather than assuming any SL SAM unit will simply plug in and work.
Can I just swap in a used Body Control Module myself, or does it need coding?
A used SAM unit from a Mercedes-Benz SL will almost certainly require programming or coding to your specific car before it will function correctly, as these units are typically matched to the vehicle's VIN and other control units. This is a job for a Mercedes specialist or a garage with the appropriate diagnostic equipment, so factor that cost into your decision when buying from a breaker.