When you change your thermostat don't be surprised if your E 420 starts running at or near 100. At least here in the tropics they all do. The M119 is too tightly fit on the W124 engine compartment, hence it tends to run much hotter than it does in the S 420, for example.

__________________
A. Rosich
CL 500, 1998
S 500 L, 1998
E 320 T, 1995 [Sadly sold ]