cutting out

About a year ago I had a fault with my comand system not powering up just totally dead removing the head unit 'cured the fault' I assume there was a loose plug somewhere but nothing found. Now facing another but similar issue after about 10 mins the unit appears to 1st freeze, audio cuts out...

hi guys i bought a lovely 300e w124 few months ago, all of sudden the abs light comes and goes, and yesterday she cut out when coming to a stop at the lights, the following day tried to start it did turn over but within a second she would cut out, left it for a few days and shes back to...

:(getting a bit upset with my clk 320 now, the last few days it cuts out for no apparent reason. what makes it worse it does it when stationary at lights or junctions, and when driving normal speeds. today on the way to work, wouldnt start so left it half an hour went back and it was fine again...