I can see where Larry is coming from. I'm sure there are any number of machine shops out there that will dismantle and reassemble the head completely for you. But will they observe minor but important points such as keeping rockers in the same position such that they remain with the same cam lobe, and as Larry says, will they gradually torque down the cam bearings?

I did not have any difficulty dismantling everything except the valves myself and it was not time consuming. I admit to doing it after the head was off and next time I will consider doing it before the head comes off. I took the head to a shop that I used many years ago that did very nice work boring a block (not MB) for me. I had lost track of them when they relocated but was pleased to find them again, especially now that they specialise in European work, specifically MB and BMW. They were very competant and also willing to take the time to discuss any issues of the job with me. Most impressive of all was the price, which for removing the valves and springs, crack testing the head, skimming it flat, machining the valves and seats, fitting new stem seals, refitting the valves and springs and then giving it back to me spotlessly clean including the VRS gasket set all for about $300 AUD (would have been about $150 USD at the time).

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107.023: 350SLC, 3-speed auto, icon gold, parchment MBtex (sold 2012 after 29 years ownership).
107.026: 500SLC, 4-speed auto, thistle green, green velour.
124.090: 300TE, 4-speed auto, arctic white, cream-beige MBtex.
201.028: 190E 2.3 Sportline, 5-speed manual, arctic white, blue leather.
201.028: 190E 2.3, 4-speed auto, blue-black, grey MBtex.
201.034: 190E 2.3-16, 5-speed manual, blue-black, black leather.