Originally Posted by davegray

hi,yes all happened when battery changed,fitted new wheel sensors,checked bulbs and power supply to brake lihts,i did notice that passenger side had a brake pad wear indicator,but not drivers side?wife has had car for 5yrs,only got 12,000miles on clock.Car has been perfect until battery change.then no speedo,spoiler up,switch flashing,abs/esp loights on,bulb warning light on.roof and windows fine.mercedes dealer does not want anything to do with it.mechanic at bosch centre worse than useless,i know bosch centres can acessthe codes by going to mercedes w170,slk320,as a friend had it done at his bosch centre,trouble is thats over 100miles without brake lights,thats scary in uk.