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Oil temp om656 400d

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Old Dec 30, 2025 | 04:39 PM
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Abbas ahmd cls's Avatar
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Oil temp om656 400d

Hello all. I need you suggestions and help. Car is 2019 400d 0m656

Car was went for recall which is for 2 software updates and switch over valve. After the recall next morning car it started leaking coolant from water pump. Anyhow the mercedes will not take any responsibility for it. I took it to independent workshop he fixed the water pump turbos are back and power is there. However the oil temp is going high above 115 on light driving or just idling the car. And coolant temp is fluctuating between 90 to 95 which is normal.

However I saw a spike on the temp today for like a second going to 120 and coming down suddenly to the 90. However oil temp kept going high and I realize the fan is not turning on. With ac off.







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