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Discussion Starter · #1 ·
I received my GLC 250 about 45 days ago and the CHECK ENGINE LIGHT has come up 6 times always with code P0128 Coolant Thermostat (Coolant temperature below thermostat regulating temperature)
They have changed the thermostat, updated the software in the car, and are now performing more test to make sure the problem is solved.
Anyone else experiencing something similar? Would appreciate any info.
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