well after watching my temp gauge yesterday,i noticed it moves faster than what i think it should. so first i'll try the sender. this should do it . if not, time for cooling system service with mercedes coolant amd thermostat . yes it does do 80=100 swing faster than expected.

thanks rich

__________________
88 300E White, sold 9-04
88 190E Black 2.3 sold
90 300CE White, Grey sold 12-24-04
92 400E White,Grey Sold 5-06
90 300CE 91K Signal Red,Black Sold 2007
1989 300CE Smoke silver,Tan Sold 1-08
1993 300E 3.2 M104 motor
1991 300CE White,Grey
1994 E420 beautiful car,gone to new home
1994 E320 Smoke an Parchment.Beautiful car