while my car still has plenty of the other usual W124 problems, i think i may have cured one of the most annoying ones- vibration through the steering wheel at around 60mph- not sure if it's as a result of the following but what the hey, it might help you out there if you have the same problem. My car had been in the shop recently for new brake work, so yesterday i loosened and re-tigtened my front lug nuts to the specified torque. I also set my tyre pressures to 29front/32 back. Went out at 60-70mph yesterday- no vibration!:-) anyway, might just be luck, but thought i'd share it anyway...

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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"music and women I cannot but give way to, whatever my business" -Pepys