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If your Mercedes won't start and you suspect a bad ECU, watch this video to learn how to fix the common issue of no ground from the ECU to the fuel pump relay. Don't waste time and money - fix it yourself!
Need to transfer your key and vin data to another ecu ( clone ) service
karmanauto.com...
In this Mercedes NO start NO ground from ECU to fuel pump relay video I explain a common problem on Mercedes ml gl r s class cars and suvs fuel pump not working fuel pump relay not getting ground from ecu bad ecu and dealer told you need a brand new ecu for them to program solution you can buy a used ecu and clone it with a programmer or go to Karmanauto.com and they can do the job