Yep. Remote works fine when keyless switch is not in ignition. Dealer said replace ignition module- $800, but seemed to be guessing.

My Brilliant Blue, garage-kept, never-seen-snow, 2009 R-design C-30 with just over 100,000 km, has recently experienced its first real mechanical problem. I want to fix it, before I (with great sadness) put it up for sale. This is the issue: With keyless switch in the ignition, car starts, runs perf...