hi,re spoiler activation,wifes xfire roadster had new battery fitted,spoiler stays up switch blinking,no speedo,no brake lights,abs/esp,and brake wear warning light on.tried usual stuff,checked all earth points,tried the steering wheel turning.i took car to so called bosch agent this morning to get codes read,i said it would probably come under mercedes w170,slk320.after 1hr he said he could not get any codes and he couldnt do anything else.any ideas,ps being in uk nobody seems interested.