The engine must be rotated to TDC on #1 cylinder compression stroke (marks on balancer), and at that point the centerline of the rotor must align with a "punch" mark on the aluminum housing of the distributor.

To see the punch mark the black plastic cover beneath the rotor must be moved.

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator