I just finished a live tech support job. This Mercedes shop had a failure on a wire leading to their Mercedes-Benz multiplexor. It has been intermittent but failed for good yesterday. These things always happen on a Friday! Fortunately they bought an i Scan II WT from me back in 2013 with the IMS package. We found the DB9 cable, connected it, and they are know able to run the fuel tank purge test with the DAS program.
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