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veg_hed_300d 04-12-2008 03:39 PM

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?

Skippy 04-12-2008 04:29 PM

The steering box can be adjusted to tighten it up. Try that and see if that takes enough of the slop out for you.

leathermang 04-12-2008 06:41 PM

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 ....

carnut 04-12-2008 10:42 PM

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!

Hatterasguy 04-12-2008 11:06 PM

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.

nhdoc 04-13-2008 08:25 AM

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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