For 420 SEL 560SEL 560SEC and 560SL
If your engine is taking too long to heat up or is constantly running "hot" it is probably time to replace the thermostat. Kent explains in the video below some other parts you should consider replacing at the same time.
1986 to 1991 420 560 V8 Engine Thermostat 80C
$29.75
SKU:
GEG-560THERMOSTAT