Since this is a potential safety issue (stalling in traffic) I took my complaint to the National Highway Traffic Safety Administration (NHTSA), who have the power to force a recall. Here's a link to their on-line form:

NHTSA Complaint Form

I believe if enough owners complain, there may be some action taken by NHTSA. After all, numbers speak. When filling out the form, don't forget to stress the safety aspect of the complaint. They're not interested in monetary issues.

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95 E320 Cabriolet, 169K