As title implies. Sometimes, out of nowhere, I lose one of the 3: blinkers, wiper delay, or AC blower. Sometimes 1, 2, or all 3 at once. To fix it, I smack the dash with my hand, to the right side of my instrument cluster and it comes back to life. Strange!
Any ideas?
94 C280, 250k miles, 1999-2011 (gone, never forgotten)
CURRENT:
744 Silver 99 C43 AMG, 260k miles, 2011-
040 Black 98 C43 AMG, 190k miles, 2013-