gaven

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2013 Mercedes-Benz E 200 cabriolet
Hi everyone. I’ve been struggling all day to find the engine block coolant drain plug on my M274 2.0L engine. I’ve been looking both sides of the engine from above and underneath all day but no result. Anyone knows where is the exact location / diagram? Appreciate any help. Thanks!
 

ajlsl600

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clk3202001,sl6002003 with everything regrettably sold ,A class 170cdi auto. NG/TF1800 ML250
Bottom hose. Prob simplest way to drain it esp on warm. Not hot eng
 

LostKiwi

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As above bottom hose is my normal way.
Take from water pump if just wanting to drain the block or radiator to drain most of the system.
 
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gaven

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Thanks everyone but I just want to find the block drain plug to drain out all the entire coolant before flushing as the coolant has never been changed for about 10 years (23k miles only).

On other engines I can find it but on this M274 2.0L engine I still can’t find it.
 

ajlsl600

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clk3202001,sl6002003 with everything regrettably sold ,A class 170cdi auto. NG/TF1800 ML250
Put a large bore water hose in top., remove bottom hose flush away?
Or just fill, empty 2,3 times there may not be a plug., saves 10 vents a car? Or it may be under or behind something inaccessible.
 

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