I posted part of this on the performance board but will ask for help here. I've a 91 300E with 105k. On the highway whenever I exceed 85mph the front steering wheel and generally the front dash shakes excessively making it impossible to speed further. I understand that my car needs new shocks as I remember that I had leaking shocks when I brought it in for service some while back. In anycase I wanted to make sure I know pretty much what the problem is. Could some of the leaking shocks be distorting the whole balance of the car and thus probably the alignment be causing this? Do you think new shocks would cure this maybe also with an alignment. I have owned the car since new. It has been MB serviced always. I don't think the wheels need balancing or the alignment should be inherently off except for what is caused by the shocks. What else could it be? Is their some other suspension/steering parts that should be checked, although I would think MB would check it carefully at the big service I just completed? Just want to learn more myself. I appreciate you help and will register right after this. Thanks

Have the wheels looked at while on a balancer to be sure that they are all round and not bent. The next thing is that if one of the front struts happens to be faulty, it will do as described.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

Have you check your tie rods......the ball
joins may be warn out and steering shock,center link,idle arm bushing?????
it will cause same problem !!!

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MB STARS Master Guild Technician,12 years MB tech
5 years independent shop owner

I've read this post a couple of times and it still comes back to me that " I " would have this checked out completely, before not only endangering your own life but the lives of others on the road also.

Not sure where your located but, if you need help locating a competent mechanic I'm sure someone on the list can help.

To many variables to go wrong to see you hurt yourself, someone else or your vehicle.

Good Luck,
Mike

Replace your steering damper...it's essentiallly a maintenance item every 60-100k. Ball joints are likely getting loose, as are the tie-rods (both my bro-in-law and I did all this work on our cars between 110-125k...we both have '88 300TEs, mine w/ 145k, his w/ 245k).

You've gotten really sound advice here, so good luck!

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