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					Originally Posted by pixelsblack009  ok thanks Michel so on the crank shaft pulley there really are protractor like markings on it ar'nt there so now i only have to get it to 24 degrees btdc does every model   have this or only 124 ect mine is a 1975 240D W115 | 
	
  
Speaking in general.
On most engines you will most often find the timing marks on the Crankshaft Damper/Pulley.
If not on the Crankshaft Damper/Pulley next common place is an opening to the rear of the Engine (often in the Bell Housing) where you can view timing marks stamped on the Fly Wheel (this is where they are on my Volvo).