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Old 04-24-2003, 03:49 PM
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G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
Your cooling system has all sorts of backup measure to keep temps at normal levels...two aux fans as well as a clutch-driven main fan. Circuits that monitor ancillary systems and shut down if necessary (like the A/C compressor).

When you start up in the morning, your temps should read around 40C and begine to climb to around 85C - 89C. Usually this is where it will hover if your cooling system is working optimally.

On very hot days, it may climb a bit more, especially when sitting in traffic or at a light for a reasonable length of time. Then you might see temps climb to over 90C and higher.

But if temps seem to sustain 95-100C (or over) no matter the ambient conditions, then you may want to check out your cooling system efficiency.
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car
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