We were in France last week and the ABS/Hill Start yellow warning light showed on the dashboard and the cruise control turned itself off. Shortly afterwards the handbrake yellow light came on. The van was still drivable and the handbrake did work when parked. We had to stop our camping tour and wait over the weekend for a Mercedes Garage to open. The ABS light had gone off by then (we did slight steering L to R while driving along as per handbook). The garage were good in that they ran it through the diagnostics, played about with the handbrake switch and the light when off - hurrah! Didn't charge us for it. Continued on our journey and an hour later both lights came back on - boo! We can only think it was: hot weather which affected the electronics, or recent complete tyre change before we left which affected the sensor, or speed bumps in every little village we went through, or all three. Plus parking brake was inadvertently turned on while pulling off from parking space due to driver error. Now safely back in the UK, the warning lights have gone (for the time being). I think it's got to be more than the van being home sick. Has anyone else had the same problem and did they get to the bottom of it? Thanks for any comments.