HI THIS IS SMALLY FROM ENGLAND I HAVE A PROBLEM WITH MY 2004 SLK WHEN I TURN THE IGNITION ON ALL THE DASH LIGHTS ARE ON BUT THE THERE SEEMS TO BE NO POWER GOING TO THE STARTING MOTOR IF I LEAVE IT FOR A WHILE AND TRY IT AGAIN IT IS OK THIS ONLY HAPPENS ONCE OR TWICE A MONTH CAN ANY ONE HELP

 

first u should call the official CRM in the benz, and they will come here to help. because the electronic of MB auto is so complex that we cant solve it by our self.
or, if you want repair your car, you should also get a ECU diagnostic tool first, you can get it at this website http://www.kobd2.jp, i had got one from them, function perfect.