A 1994 would be an E320. The engine would be a 104 engine. A 210 is a body style for the '96 and later E class cars.

The cam timing is set up as follows. The crank is at TDC. The cams will be with #1 lobes at the top and the small 3-4mm hole in the back side of the cam gear flange will be resting at the flat edge of the head sealing surface. The only trick is making sure that the exhaust gear it timed in the fully retarded position.

If the cam timing is off, the valves are bent.

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Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS