Thread: 99 E300 coolant questions...
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Old 05-29-2007, 09:21 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
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You can test the aux fan operation with key in pos #2 by holding both "auto" buttons for 10 seconds. Fans will engage full speed.

Am a little confused concerning how hot yours is getting. The halfway mark is 80c, the unlabled hash mark is 100C and then comes 120C. So...is yours running at 90c or at 110c?

You can confirm coolant temp while driving via the CC. Press and hold rest for 5 seconds with CC on. Use auto buttons to toggle to item #6. Mine is in F.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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