SL 600 (129.076) V12-6.0L (120.983) (1997)
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Thermostat: Description and Operation
Fig. 25 Thermostat
Thermostat is attached to cover to prevent rotation, Fig. 25. Thermostat starts to open when coolant temperature reaches 189°F. Thermostat
housing is in left and righthand outlet fittings, each joint sealed with an O-ring.
