i have bought lots of 190-e cars and noticed that temperture does rise when stopped with traffic,what i do to my cars ,i take thermostat off!and install relay switch to control fan on when i start engine evertime.but you got to understand that where i live tempature is 100 to 112 summertime and before.the only problem with no thermostat is when it does get cold ,it takes longer for hot air to heat up inside your car,but with no thermostat it keeps motor cooler circulating faster
Thanks Gonzair. Here in Finland, the summer never gets that hot(only about 20-30C) and traffic overheating is a tedious probelm. The overheating is tedious but I would rather have fast heating in the wintertime. Since Winter is long and hard here!
I will keep your advise in mind and opt in for it if needed. BUT, do you have instructions for the DIY relay switch to control the fan anyways?