Quote:
Originally Posted by Govert
Doesn't the car have an electric fan? It stays off until the temperature reaches 100 degrees C and than it starts blowing until cooled enough. That will cause a fluctuating gauge, but it is normal.
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I believe on these cars it's somewhat higher that it comes on in response to coolant temp....like 105 or 107. There are two aux fans. The come on at high speed in response to temp; or at low speed, when AC is on, in response to refrigerant pressure.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 160k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete
19 Honda CR-V EX 79k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife
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