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There seems to be a basic issue that needs to be found first that is causing the car to shut down (unrelated to the fan wiring overheating) that must be the priority to solve. You have to get any codes read and listed here to help members help you. If no codes are found, find a code reader that will read a 2004 MB SLK-320 (maybe an independent MB mechanic with SLK-320 experience, you may have to pay for the reading of codes).. You may still need to get a more detailed code reader if some generic code reader finds some codes. Post any codes back here before taking it to someone to work on the car. Do not take the car to any Chrysler or Mercedes dealership. Sounds like you have some researching and work to be done with this issue before a more focused help can be accomplished. Good luck!


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