I forgot to mention, I got the carsoft 7.4. what a pain in the ass to use. I don't like it at all. First you hook the car up then do an overall digital scan. During that scan the carsoft will say error, check the memory for the error, meaning after the whole scan is over, you have to do an individual test to find out what the error is, then you have to erase it. all of this takes over an hour if you have a lot of codes. On my e320 it took almost 2 hours and I cut it short. But at least I have it.

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99 E3204matic wagon
99 CLK 430