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(1990 Mercedes-Benz 300E)
in Lexington, NC on April 12, 2010
what is axel nut size for mercedes 1990 300E rear, tried 32mm but didnt work.

Thank you
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Popular Answer
on October 18, 2010
The axle nut size should be 30mm, but why would you want to loosen it? The only time it needs to come out are for either the CV axle or the wheel bearing. Brake job does not need to touch the axle nut.
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