Well it seems my sweet running 420SEL was short lived a few weeks back he started to hesitate on take off. Nothing drastic but being ecentricaly in love with my car, I knew he was not feeling well. So I pulled the plugs only to find they were sooty, cleaned refitted and no improvement. So I took it out for a 200km spin and cleared out the cob webs, for one week all was good alas it didn't last.
Weird thing was, it started first turn of the key idled ok but touch that pedal and it would...