All apologies for not responding back earlier but busy at work and getting the car ready I have the gasket job done aka oil leak in coolant plus all the ignition system over hauled etc. Basically what need is ecu as the wiring loom was a mess so got sileck to re do loom cheaper than merc dealers quote. I need ecu repair as not firing on 1 cylinder had got my hands on another ecu and work fine no issues. Can anyone tell me where I can it repaired or where I can get one. Attached is ref of the ecu is bosch ecu part no 0261203 492 or merc part no 016 545 60 32 it's for e320 c124 1995 model Please message me.