Apologies if this is in the wrong category.. I've got up this morning to a flat tyre. I cannot get the tyre off. There seems to be an alum key type of lock as well as the two bolts. I guess I should have a key to this, but I bought the car second had and there is no key (or handbook) so I'm not sure how to get the wheel off. Can anyone offer some advice quite urgently? It's an ML270.
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