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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:
Yes, the Mercedes-Benz ML does have a Body Control Module (BCM), sometimes referred to in Mercedes documentation as the SAM (Signal Acquisition and Actuation Module) unit, which manages functions such as lighting, wipers, central locking and interior electrics. It is fitted across all variants of the ML, regardless of engine or drivetrain. If your breaker lists it as a SAM module rather than a BCM, they are referring to the same type of unit.
The W163 ran from 1997 to 2005, and the W164 replaced it from 2005 to 2011 — these are completely different generations with different electrical architectures, so a BCM or SAM unit from one will not be compatible with the other. You must source a unit from the correct generation to have any realistic chance of fitment. Always confirm the full registration and chassis generation with your breaker before purchasing.
Trim level alone does not determine BCM compatibility — the underlying generation, chassis code and build specification matter far more than whether the donor vehicle was an SE, Sport or any other trim. That said, certain optional equipment (such as a panoramic roof, specific lighting packages or advanced keyless entry) fitted to one car but not another can affect module programming and configuration. Always confirm the exact specification of the donor vehicle's BCM against your own registration with the breaker rather than relying on trim name alone.
The W164 received a facelift in 2008, and while the underlying architecture is the same generation, changes to electronics and optional equipment around that update mean there is a real risk of incompatibility across the facelift boundary. Confirm with the breaker whether the donor unit matches your specific build date and specification rather than assuming all W164 modules are interchangeable.
The W166 ran from 2011 until the model was discontinued and renamed the GLE around 2015, with a mid-cycle update during that period. Units within the same generation are more likely to be compatible, but software versions and factory-fitted options can still create mismatches even within the W166 range. Confirm the donor vehicle's registration, build date and options list with the breaker against your own car before buying.
Yes, in almost all cases a used BCM or SAM unit from a Mercedes-Benz ML will require programming or coding to your specific vehicle using specialist diagnostic equipment, as these units store vehicle-specific data. Fitting the unit is only part of the job, and without correct programming it is unlikely to function properly or may cause fault codes. Discuss coding requirements with both the breaker and a Mercedes-specialist or main dealer before committing to a used unit.