shakey

Clk 320 Auto coupe 2002 51 plate elegance Still got a few shakey moments despite changing wheels. It's hard to explain and only I seem to notice it but sometimes the car seems a little well shakey! Could this be engine mounts maybe and if so how much is diagnosis and repair. Only warning...

hi sorry this isnt a merc its my mother-in-laws Mitsubishi Space Wagon.... the car feels great when traveling under 60mph with wheel tracking and balancing just been done and is true. tyres are ok afaik. the problem is that when travelling over 60mph the ride gets very rough and sort...