This OEM rear SAM (signal acquisition module) came from a 2006 Mercedes R500 that was parted due to accident damage. There were no electrical faults prior to removal. There is absolutely no water intrusion or burned electronics as can be seen in the closeup photos of the plugs and of the circuit board. OEM part # A 164 540 92 45, A 164 545 78 32. Please review the closeup photos to verify condition and match to your application.   


I do not use stock photos so what you see is exactly what you will receive.  


I will ship USPS Priority Mail the same day payment is received which means you will get your package in 1-3 business days.  


I will do everything I can to ensure this transaction had been flawless and satisfactory for you so please do not hesitate to contact me with any questions or concerns.   


Thanks for looking.