500SEL (126.037) V8-5.0L (117.963) (1984)
2
Temperature switch (cold engine lock) engine 110
4. Check cooling system for leaks.
5. Check automatic climate control for function.
2
Temperature switch (cold engine lock) on engine 617.951
Checking:
The heater blower must not start up in heating mode (in-car ternpe~ture lower than temperature set on selector~ at engine coolart temperatures below 33
°C in "EC'~ position or 37 °C in "normal setting" position.
The heater blower must start up after coolant temperature has reached 33 °C or 37 °C.
If blower fails to start, pull 1-pole coupling from switch (2) and connect to ground.
If heater blower starts after approx. 10s, renew temperature switch.