How can I get some spark ?

Hi there, I have a 1985 Mercedes Benz , 500SEC. , it's a 5.0 V8. I've got no spark to my plugs. I've checked the ouvious. I've replaced the coil, I've replaced the ingition control module. Still , no spark !
Can any help me with this problem ? I miss driving my car so much, please help me !!!