Hi,Im looking to fined engine cooling drain plug on engine can someone tell me please thanks,,,

Standing in front of the engine, it's on the left side, underneath the exhaust manifold. It's a pretty big bolt, 17 or 19mm. There is also a coolant drain at the lower left bottom corner of the radiator, the plug on the radiator should be red in color.

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1991 300E - 212K and rising fast...

I believe it is here. Pic taken during my rebuild. You can see the gallery plug was toast...



Do you need to specifically drain the block? If not, use the plug on the radiator on the left bottom side by the tranny cooler lines. It is just a black plastic screw you turn /w your hand.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

Yes I like to drain the block because I had trany oil mix with cooling and I fix the problem,now just need to clean engine.It is on right side of engine.Thank you guys,,

how was the leak problem fixed ?