Don't touch the bottom end. Just pull the head, have the valve guides and seals replaced, then have it LIGHTLY skimmed and pressure tested.

Use MB head gasket rather than Victor Reinz based on my experience (twice). Yes it is twice the price, but its not worth pulling the head again prematurely.

Leave the intake manifold in the engine. Just unbolt and pull head and exhaust manifolds off as one.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
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2003 Gray Mercedes ML350 - 122k