W163 ML320, W220 S500, R230 SL600TT, R170 SLK230, W140 S500, More
Runs perfectly, though the last time the check engine light came on I had driven 50 miles. I've only driven about 15 miles so far since new coils. But I'll be driving some more today. I think that once I've gone 100 miles without that light coming back on I will be satisfied.