I was reading up on taking the 4 cams off my 119 engine and it is very clear that the timing chain and cam sprockets need to be marked for reinstallation. What is the general preference on marking metal parts that may actually come into contact with other metal? When I was a kid, I was given an electrically powered metal scribe that vibrated and marked the metal. I'm afraid the normal awl won't be sharp enough or go deep enough to leave readily identifiable marks for reinstallation. Is there any paint that would stick to the parts.

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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles

Grease pencil?

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280

This stuff is very cool and not expensive but get the pocket size.
http://www.policemarker.com/WhatisPM.htm

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15 VW Passat TDI
00 E420
98 E300 DT
97 E420 Donor Car - NEED PARTS? PM ME!
97 S500
97 E300D
86 Holden Jackaroo Turbo D
86 300SDL
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