WIS 20.10 Coolant Pump, Coolant Thermostat
Thermostat Part Number
- Reference: WIS WDB220175 (S500L) and engine M113 960
- A 112 203 02 75 (Replaces A 112 200 00 15)
Thermostat Specification Opening Temperature
87°C
Comparison of Old and New Thermostats
DIY
http://www.benzworld.org/forums/w220-s-class/2296553-v12tt-water-pump-diy.html