BENZE220AMG Posted 19 hours ago Share Posted 19 hours ago 2013 C220 W204 Cabin blowers are exclusively emitting hot air on the driver's side and rear. The passenger remains comfortable when exposed to heat. However, it becomes colder when set to the cold and air conditioning mode. Significantly disparate. The coolant has been replenished to the appropriate level. The cabin lacks coolant, however there is a gradual leak from an unidentified source, necessitating a monthly top-up. Suspected issues with the radiator and evaporation or a related phenomenon. I have frequently purged the engine to eliminate any air locks. I suspect the blend door actuator may be the problem. Does anyone possess experience with analogous situations and have devised a solution? Quote Link to comment Share on other sites More sharing options...
BENZE220AMG Posted 19 hours ago Author Share Posted 19 hours ago https://www.ebay.co.uk/sch/i.html?_nkw=actuator&campid=5338181132&customid=2518X1570512X8f3d6864b9059875b62e33136e23e54b&mkcid=1&mkrid=710-53481-19255-0&subId2=15&toolid=10001 Quote Link to comment Share on other sites More sharing options...
nicebubby8 Posted 19 hours ago Share Posted 19 hours ago Initially, I would address any outstanding concerns you own. Subsequently, have the codes interpreted. This may promptly direct you to the correct item. for example My W251 climate control was malfunctioning. The item was scanned; it was brief and involved the replacement of a cable. Everything is satisfactory. Cognitive processes incur significant costs. Quote Link to comment Share on other sites More sharing options...
BENZE220AMG Posted 19 hours ago Author Share Posted 19 hours ago My Carsoft is not displaying any codes; I should have noted that. I am aware it is not definitive, but it is generally rather reliable. Quote Link to comment Share on other sites More sharing options...
MidnightMarauder Posted 19 hours ago Share Posted 19 hours ago I encountered analogous issues, albeit with an older model. The driver's side would emit warm air quite immediately, whereas the passenger side took an extended period, possibly 30 to 60 minutes into the voyage. This would vex Mrs. F on wintry mornings. I replaced the water pump, which subsequently addressed the issue with the dual valve that had begun leaking and appeared to have been malfunctioning for some time. Issue resolved. Quote Link to comment Share on other sites More sharing options...
BENZE220AMG Posted 19 hours ago Author Share Posted 19 hours ago Was it the primary water pump or the auxiliary pump adjacent to the coolant reservoir? I had previously ordered one of them to replace mine, as it appeared aged and likely not in optimal shape. Thank you Quote Link to comment Share on other sites More sharing options...
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