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Hi
My 2004 ML 400CDI (Diesel V8) overheats in long periods of slow speed like in long car ques or at idle for long time. It usually goes op to 120C just below the amber band before it shuts down to limp mode. The ”low coolant level” light some times stays on even through the coolant level is between min and max. Some times the ”low collant level” light stays on without any problems with over-temp. I don’t know what the problem is. I have replaced the coolant reservoir on top of the engine and filled with coolant to the correct level but the problem just won’t go away. Any advice would be appreciated. Thanks. Coolant level stays on
2014 ML63, 2018 GLC43, 1929 DB victory six sports roadster
Originally Posted by calle123
Hi
My 2004 ML 400CDI (Diesel V8) overheats in long periods of slow speed like in long car ques or at idle for long time. It usually goes op to 120C just below the amber band before it shuts down to limp mode. The ”low coolant level” light some times stays on even through the coolant level is between min and max. Some times the ”low collant level” light stays on without any problems with over-temp. I don’t know what the problem is. I have replaced the coolant reservoir on top of the engine and filled with coolant to the correct level but the problem just won’t go away. Any advice would be appreciated. Thanks. Coolant level stays on
try replacing your fan clutch or does it have the electric fan. Is so it should be running at full noise at that temp.
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