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Those are eTorx.
You can find a socket set at most of the usual suspects.
It's commonly used on headbolts, so you might get to use them for something else later...
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Give the bolt heads a sharp whack with a drift and big hammer to shock it then put the torx socket on and tap that on so it is seated good and solid.
Are we there yet?????
Ex 1.6hdi van now 3 seater 1.4 multispace
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Mercedes have used these bolts all over the car for quite a few years now. I think they give rapid purchase for a hanging torque tool in production mode with no chance of rounding off while trying to go quickly. And as you say, keeps the lightly-skilled tinkerers out of things.
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They are handy because when you have rounded them you can easily weld a big nut on top to get them undone with a hex spanner.
So where does this bit go then ?
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