Rule of thumb for the fluid is if you can’t comfortably hold the tip of the dipstick, it’s probably at the operating temp of 180*F.
Then measure it after the car sits overnight and you have a reasonable way to check cold.
Sixto
98 E320s sedan and wagon
02 C320 wagon
Last edited by sixto; 12-25-2018 at 05:34 PM.
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