I have a problem with my water temp gauge in my 1993 2.6 190E. It is usally pegged at the top of the gauge while the water temp is typically right where it should be. The gauge or the sensor is malfunctioning. I compared the resistance readings from the suspect gauge with another temp gauge from a different cluster I have and the readings are the same. I replace the temp sender and it did not help. Any ideas what to do next?

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Christopher Henkel
1990 190E 2.6 - Arctic white SOLD
1986 190E-16v - Blauswartze
1993 300CE - SOLD
2003 W208 CLK 320 Cabriolet - Magma Red