A class mercedes keyfob sync and no led light working?
help ? having trouble getting the keyfob working, alarm keeps going off and have changed batteries, but led light on fob is not also working. (before i go to MB can anyone help ?) also followed instruction in manual i.e. key in ignition 2.
back to 0.
hold lock button - 10 secs - still holding - press unlock 5 x
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.