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Currently we are in the process of rebuilding an old class G to a kind of luxury SUV, therefore we are swapping over a lot of parts from the W211. For the moment we have the airco unit (KLA) build in the car but I can't get it to work.
We have power and ground on the designated pins but this allows us only to power on the unit and use the REST function. I've found a wiring diagram on wich I still have 2 wires going to the SAM Fahrer, but I can't find any info about what signal goes trough these wires.
On top of that I believe the unit needs a kind of wake up signal via CAN-B. Is there anybody who has a read out from the CAN-B in working conditions and who has any idea for what those 2 wires going to SAM fahrer (see attachment) are used for.
Thanks already, hopefully there is someone who can help me.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
