Quote:
Originally Posted by JamesDean
Does it take a long time to warm up?
You might need to replace the thermostat and do a coolant flush.
I had to do this on my 300SD. It took forever and a day to get anywhere near 80C. New thermostat and a flush later. It heats up just like it should
My 190E 3.0 heats up in no time and stays a little north of 80C all day long, without ac. Ac doesnt work so cant say what it does when that is on.
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It takes around 10mins in the city to reach 80C, I always use lower gear until it reaches 60C, i.e. I use 2nd gear when 3th gear would be used in operating temperature.
If 80C and 90C don't make a lot of difference in economy and engine wear so I would stick to the 80, as the risk of wire harness damage is lower.