Every now and then I would get an alarm that daylight led light (sometimes the left other times right one) had a prob and daylights were turned off.
I would then switch them off via the MMI and then turned them back on and LED lights would be OK for few days.
Visited dealer last week for some upgrade (recall) on the PCMs and asked them to have a look. They confirmed the alarms. Two days later I was informed that lights should be replaced.
Received a call today that the new lights have been received and fixed an appointment for the replacement.
Had a talk with 2 other RS6 C6 owners. One of them had already had his lights replaced and the other one confirmed the alarm.