Power of engine seems to be not transferred to wheels.
Engine is running good. when you put in gear there is sluggish acceleration. on 1990 Mercedes-Benz 300SE
sounds like your transmision sliping put some woodchips inthe transmision itll help, they have to be cedar cause they disolve.
It could be anything from the fuel system to a transmission issue or adjustment. This requires an inspection for proper diagnosis. out our website at brakeplusinc.com and contact us.