Hi, Lee.

I agree that it's ignition related, as I had a similar problem in my '94 E320T; change the plugs, make sure the plug wires are clean, make sure your coil packs are properly seated and check that the wiring harness to the coil packs is in good shape.

Best Regards,
Rob

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Robert Fini

'12 ML350 BlueTec, 111k
'06 E320CDI (x2)
'05 T1N Sprinter 2500/Pleasure-Way Plateau TS, 72k
'97 C36AMG, 325k (son's)
'94 E320T, 249k
'93 190E Sportline LE, 168k (daughter's)
'84 190E-2.3/5spd (Stage Rally Racer)
'66 230 W110 Sedan (Barn Find, Vintage Racer build in progress)