It means it has an error, it can be several things. Hopefully it is just a sensor error which is cheap to fix vs a new computer system which can run $2k plus. Best bet is to replace the brake position sensor first and if that does not fix the problem then you have to go to the dealer and have them diagnose the car for you, most dealers will do that for free and if it seems like an easy problem that you can fix just buy the parts and make it an afternoon DIY.
After replacing the break switch if problem continues to exist then replace the relay that can be found under the hood inside the fuse box. look for (esp/bas or I guess #38).
wat does ETS dash light mean on a mercedes ml 320
it means the esp ets is in use so change driving style
Try to adjust intensity of the dash light by using the knob beside the Speedometer on the left side.
it means the 4x4 low range button has been pushed so find it and peress it its gune be ok
Under dash, behind glovebox. glovebox interior has to be removed to access filter.
That is the dash light dimmer control switch.. Rheostat = Dimmer. Bright to dim.
turn the little black knob to the right of the brake light on your dash clockwise
move the light knob counterclockwise and clockwise fastly
2 are the instrument light dimmer buttons and the other is 2 reset the service light
Sounds like the light bulb is either loose or burned out in the dash. Replace it.
It is the odometer trip reset(dual functioning),just rotate it to control the dash light brightness.{ I could not find it in my original owners manual either}
Where and how do you change the fuse for the dash bord lighting sytem in the 1993 190e 2.3l