| sorry to be honest forgot i`d posted here i hope this helps after weeks and weeks of playing to no joy merc were pants
i snuck in the back door and found that the diag guy was actually a cousin of a friend he came round with his own merc laptop (star) reset the ecu and its been fine ever since
hth tony they don`t inspec this on the short test they do i was most frustrated but happy now!
tony | 
