I have a '96 SL1 with about 63,000 miles on it. Noticed something dripping from underneath the car so I opened the hood and found the radiator overflow tank FULL of a semi-solid mustard colored gunk which was overflowing from the tank.
My first thought was a blown head gasket, ...

I was in a small fender-bender in the parking lot a few days ago, that
practically tore of the front fender.  There was no fluid leakage,
however, so I drove it home after going through the accident report
formalities.  (I have a 1998 SL2 4 door.)  The next day I had a doctor's