Frozen Wheel Lugs E350 - Mercedes-Benz Forum
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post #1 of 5 (permalink) Old 08-08-2019, 09:48 AM Thread Starter
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Frozen Wheel Lugs E350

This morning I went to get in my 2000 E350 and much to my dismay the front driver's tire was flat. I used my bicycle pump to have enough air to get to the mechanic's shop. They tried every which way and even broke off a lug. They gave up and now I'm on my own, unable to remove the wheel.

Does anyone have an experience like this and/or a solution other than blowtorch and liquid wrench?
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post #2 of 5 (permalink) Old 08-08-2019, 10:29 AM
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Torch will melt aluminium rim faster than the bolt. Liquid wrench is hard to apply.
Not sure what you have, but I have never heard about 2000 E350.
Still if you have extended head bolts - crucial is turning them without bending force standard wrenches apply.
Meaning good impact wrench, with its weight supported by hand or cross-wrench pulled on both sides.
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post #3 of 5 (permalink) Old 08-08-2019, 10:29 AM
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I have seen it. Some tire shops just zip the lug bolts back on with an impact and really create a problem down the road.

With the worst ones I have to use an an air hammer with a small chisel in it and destroy the lugs. Some times they come out of the hub after that other times an extractor is needed.

If a tire shop did do this to the car I would talk to them and make them fix it. If not there are mechanics that know how to deal with this and will fix it for you. It is just going to be a labor bill and the price of new lugs which you can get at the dealer. You will have to call around and see who is willing to perform the surgery.
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post #4 of 5 (permalink) Old 08-11-2019, 03:51 PM
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I just went through a similar situation with a new-to-me 2007 SL550. In the end I:

1. used the liquid wrench, jacking up one side at a time so it would pool at the bolt and not just run down the wheel. One day each side.
2. bought a $100 Bauer electric impact gun at Harbor freight.
3. Added 3 ft of pipe extension to my 1/2 inch drive 24" handle breaker bar.

After the liquid wrench soak, the electric impact wrench got all but 5 of the 20 loose. The pipe extension on the breaker bar did the rest.

Mine are lug bolts, not lug nuts. Heat would only make them expand and be tighter in the threaded hole in the hub. Freeze spray might have helped, but I ended up not needing it. Inspecting the bolts, it seems rust was at least as big an issue as over-torquing.
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post #5 of 5 (permalink) Old 08-13-2019, 08:17 AM
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Have you tried tapping it with a hammer to break it loose? It worked for me.
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