Some things can not be done ' Quick" and RIGHT at the same time...

Just take Brian's word on this if you want quick AND Right...

but if you can't do that...

Then check the archives where Steve Brotherton explains why the cam method is not proper at this time in your engine's life...

That method is only for checking ( read ball park ) when building a new engine...

The hidden reasons which the Mercedes Engineers prescribed the 2 mm valve movement method include the fact that there are wear surfaces inside your engine which may or may not either multiply the effect of something else..or offset it... one generic example is chain pin and link wear... which may be offset in its NET effect by wear on the sprocket it runs on...

OR... lets say an offset woodruff has already been installed... then what you order would be thrown off since they are calculated from a different ' base'...

Mercedes specified a Performance Criteria ( the 2mm valve lift ) for a reason...