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Fokko987
11 months ago

Air in the cooling system? (One often notices that the heating alternately heats and not sometimes)

Deposits in the channels?

Cooler added? (inside or outside)

Wing wheel of the water pump broken? (I’ve seen that there was hardly anything from the wings due to wear)

Good luck!

Volker aka Fokko

https://fokkostechnikblog.de/

Tuedelsen
11 months ago

…maybe the cooler isn’t that good anymore…or the fan doesn’t run reasonable. I have a similar problem with my 230 CE (also a 124) and must avoid congestion (or turn up the heater completely)…but I only come to just under 100°C. I’m thinking about renewing the cooler. However, I also have various damages in the air duct behind the cooler… there could also be one of the reasons for this problem because the fan is no longer “suctioned” by the cooler. What does it look like in driving? If there are no problems, it may indicate what has already been mentioned. The cooler is at any rate “payable” (in free trade, at Mercedes I don’t know), for the “channel” I haven’t even found a part number.