Date registered: Mar 2009
Vehicle: 1998 ML 320
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98 ML 320 Bad ECU, would a used one work?
Hi everyone, I am new to this, and have a very bad problem. My dad purchased an ML 320 to sell it in Mexico. One day before taking it to Mexico City, the ECU seemed to have gone wrong. At least I think it's that, because I have read some forums with the same problems and that seems to be the problem. What happens is this:
First, the car wouldnt star what so ever, you would turn the key and no sounds would be made, anything. A mechanic came to the house, checked it, when he plugged his scanner, it started. It has started since all the time, but now the trans is not shifting gears. On the scanner, the message "no communication between engine and transmission" appears. Thats what the mechanic told me. When you drive the car, the speedometer does not work, it drives but only fist gear and reverse. The check engine light came on. I really don't know what it could be. At the dealership they say they need to change the speed sensors on the wheels, change the ecu, change some other modules, etc. I am really hoping someone here has the expertise to help me. I bouth a used ECU, and at the dealership they say I need to buy a new one, since the codes won't work for this car. I just leave it open for anyone to help, appreciate it guys.