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#1
04-12-2008, 03:39 PM
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Sloppy steering box...
I have already replaced the Steering Coupling Assembly, Steering Damper and Idler Arm. But I still have a lot of play in the steering box of my 300D. Can these be rebuilt or is it better to replace them?
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1985 Mercedes 300DT 
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#2
04-12-2008, 04:29 PM
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The steering box can be adjusted to tighten it up. Try that and see if that takes enough of the slop out for you.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress.
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#3
04-12-2008, 06:41 PM
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READ THE INSTRUCTIONS.... tightening it is not intuitive.... LOL...
and if you do it too much then you can't steer.... use caution and the shop manual ....
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#4
04-12-2008, 10:42 PM
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On my car I raised the front wheels off the ground just slightly. Then I turned the adjuster bolt counterclockwise to remove play after loosening the lock nut. Turn it a quarter turn at a time, then turn the steering wheel back and forth to verify no bind. First road test after adjustment, I could feel a slight bind, the strg wheel was slow to rotate back to center. Turned adjuster nut clockwise ever so slightly and was perfect!
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81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.
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#5
04-12-2008, 11:06 PM
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http://www.davidpetryk.net/Mercedes/Steering.htm
If you are mechanicly inclined enough, I have had great luck following this procedure. Not to mention its dirt cheap. Or you can buy a rebuild, good ones seem to run $500-$600.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#6
04-13-2008, 08:25 AM
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There may be nothing wrong
For people not used to the M-B steering of this era, they all had play built into them, more than what some people are used to. The spec is for up to 1" of wheel movement (15-25mm) and if you make it too tight you will just wear out the steering box. It's best to follow the procedure, measure the play the way M-B designed it and see if it is within spec or not.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz 
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