queery

My recently purchased 1993 Mercedes 300E-24 when driving away from cold stays in first gear for about half a mile at steady speed (2000) RPM before changing up. After which it behaves normally.

Does anyone know how to check one of these with a simple multimeter? I think mine is over-heating due to the heatsink behind it drying out - but before i roll my sleeves up and pull it off, i wondered if anyone knew the ohm readings? Also, is there a paste which i could buy in a hardware...

Does anyone know how to check one of these with a simple multimeter? I think mine is over-heating due to the heatsink behind it drying out - but before i roll my sleeves up and pull it off, i wondered if anyone knew the ohm readings? Also, is there a paste which i could buy in a hardware...

Hi, I am active in the market looking to buy a CL500. I am looking for one of the 7 speed updated models that came around I believe in 2004. Can anybody help me with a pointer of how I can best determine the precise update time and if there are any indicators if the car is the 7 speed or one of...