W212 Heating System

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Jul 7, 2022 | 11:12 PM
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Can anybody source some documentation regarding the W212 E200s heating system? My understanding is the W211 and previous models simply used a heater control valve with a heater core - but it seems the W212 system is more complex.

I ask as I suspect a cooleant leak / drain in the area and must fix ASAP.

Thank you
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