Help! I am about to break my 10mm allen head socket and my torque wrench! The 10mm self locking nut is stuck. Used WD40 and I have tried turning both ways and it will not move. I am replacing my steering wheel on my 1983 300SD.

Thanks

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1993 Mercedes Benz 300D 2.5 205K (ex wife's)
1984 Mercedes Benz 300SD 320K (SOLD)
2004 Mercedes Benz C240 75K
1995 GMC Sierra 2WD 5.7L 188K
1983 Mercedes Benz 300SD 239K (SOLD)
1987 BMW 325i 220K (SOLD FOR SALVAGE)

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