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Old 12-02-2010, 01:16 AM
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tankowner tankowner is offline
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Join Date: Dec 2007
Location: Columbia, MO
Posts: 907
The attached pic is of my OM606 - but I'm assuming it is the same for you. The block heater should be located in one of the freeze plug holes on the passenger side of the engine. As you can see in the pic, mine is to the rear of the engine block drain - below the exhaust manifold. When I bought mine the cord was not installed, there was a screw-on plastic cap on the block heater threads. I just removed that and screwed on the cord (aftermarket cords are plug-ins I think), then route the cord and zip tie it out of the way.
Attached Thumbnails
URGENT: Block heater connection OM603 Location-block-heater.jpg  
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'95 E300D ("Tank") - 231,000 miles
'79 240D ("Biscuit") - 197,250 miles (Sold)
'83 240D ("Ding-Ding") - 217,000 miles (Death by deer)
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