Problem solved! adjusted EHA clockwise to make it richer. It idles better and accelerates cold great.Thanx for the advice ps2cho. When I took the EHA off and removed the cap I inserted the 2mm allen wrench into the adjustment screw and it felt very loose so I thought it was the wrong size but it was turning all along it is a very loose adjustment screw! So I can not say exactly how much I turned it in the enrichment direction but I was really lucky because the car has never run so good!

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88 W124 3.0
96 R129 119eng
06 ML350
98 ML320 sold
02 CLK55 amg