ISM / INTELLIGENT SERVO CONTROL MODULE SHIFTER MODULE RENEWAL / REFLASHING for Mercedes Benz

You are NOT buying a part! You are buying a Factory Reset/Unlock service. (Other sellers install aftermarket unlock software which is known to cause issues with gear shifting, our service is a 100% original MB unlock service, so you won't experience any hard shifting issues) ====== MAKE SURE YOU SAVE THE COPY OF THE PAID RETURN SHIPPING LABEL - PHOTO COPY ======== ——. SAME DAY SERVICE —— This service is to reset (erase the memory), renew/unlock your second hand ISM. This will allow you to program it to your vehicle using Autel or Autologic. The buyer must send us a good working replacement ISM, we will erase the memory, so that you can take it to a Mercedes-Benz specialty shop and program it. Please note, if you have misdiagnosed the problem or did not program it properly, it is not our fault, so don't expect any refund on service orders. If you misdiagnosed the problem you will not get a refund! We test our work! We do not test your used parts you send us. So if you send a defective part and expect us to fix it or expect this service to fix it, it will not work! You'll simply have to install it back and learn it with Mercedes Star Diagnostic or any other good tool. Common symptoms of a defective ISM Module Car won't shift gears. No P, R, N, D. Vehicle may not start, no crank-. The ISM (intelligent servo module) is responsible for the transmission gear position It will prevent the car from turning over if it does not recognize that the car is in Park on Neutral. Drive to the workshop without selecting gear on the dashboard The car would not change gears Error message: The actuator motor in the component A80 ISM (Intelligent Servo Module) for Direct Select cannot reach its specified target position. Shifter becomes unresponsive