Mercedes-Benz Sprinter Body Control Module Replacement Parts

Yes, the Sprinter does have a Body Control Module (sometimes called the SAM unit — Signal Acquisition and Actuation Module), which manages a wide range of electrical functions including lighting, wipers, and central locking. This is a genuine Mercedes-Benz component fitted across the Sprinter range. If you've been quoted a BCM or SAM unit for your Sprinter, you're looking for the right part — confirm the exact unit reference with the breaker against your registration to make sure you get the correct one for your vehicle's specification.

The W906 (2006–2018) and W907 (2018–present) are entirely different generations of Sprinter with different electrical architectures, so a BCM/SAM unit from a W906 is very unlikely to be compatible with a W907. These units are closely tied to the generation's wiring, software, and CAN-bus configuration. Always confirm with the breaker using your registration, as the modules will also need to be coded to your vehicle after fitting.

The W906 Sprinter ran from 2006 to 2018, with a facelift in 2013, so your 2014 van sits in the post-facelift phase of that generation. Whether a pre-facelift SAM unit crosses that boundary is something you should confirm with the breaker against your registration, as the facelift brought electrical updates that may affect compatibility. Because these modules require coding to the vehicle, getting the closest match possible — ideally post-facelift 2013–2018 — gives you the best chance of a straightforward swap.

Trim level on the Sprinter — whether it's a base panel van, a higher-spec model, or a minibus conversion — can actually affect the BCM/SAM unit, because the module's software and pin configuration reflect the options and features fitted to that specific vehicle. Unlike a purely mechanical part, the BCM is programmed to match the van's options list, so a unit from a heavily optioned Sprinter may not be a direct drop-in for a more basic van. Confirm the spec of the donor vehicle against your own with the breaker before buying.

Engine type can have some bearing on the BCM/SAM unit in the Sprinter, because the module manages engine-bay functions and its software may differ between engine variants. Unlike purely bolt-on parts such as alloy wheels where engine type is irrelevant, a BCM is tied more closely to the overall vehicle specification including the powertrain. Confirm the engine variant of the donor vehicle with the breaker and check it against your own registration to avoid a mismatch.

A used BCM or SAM unit from a Sprinter will almost always need to be programmed or coded to your vehicle before it works correctly — simply plugging it in is unlikely to be sufficient. You'll typically need a Mercedes-Benz dealer or a specialist with the appropriate diagnostic equipment (such as Xentry/DAS) to carry out the coding process. Factor this cost into your budget when sourcing a used unit, and discuss with the breaker whether they can supply any documentation about the donor vehicle's spec to assist the coding process.