Please can you help me.
I have a 1997 Mercedes E320, 6 cyl gas engine.
every time I go over a bump my speedometer and rev counter and fuel gauge go out. I have to hit a bump in the road for them to come back on. This has been going on for a while now and as you can imagine I want to fix it with out paying an arm and a leg. Has any knowen of this and what might be the cause of the problem?

Thanks