True. Is there anyway to tell if it's functional on dry pavement? I'm familiar with the Audi, Subaru and Honda systems, not Mercedes. Maybe time for some research. If the car is indeed fully functional, would make a great winter car.

__________________
'07 Yukon 2500
'13 Subaru Outback 3.6R
'13 Orbea Carpe 9-speed

Currently Benzless
Formerly: 300TD, S600, E55, 560SEL

---= The forest breathes, listen.
-Native American elder