Hymer s560 vibrating accelerator pedal (1 Viewer)

[Dannystan81]

Hi i have a hymer s560 1993 2.9 mercedes auto , it has a strange problem where when you rev the engine the accelerator pedal vibrates and then when the revs drop off the body judders quite alot, when it warms up its better. I was thinking it was probably engine mounts has anyone had this issue??