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Home >> Mercedes Benz >> 2002 >> SL 600 (129.076) V12-6.0L (120.983) >> Repair and Diagnosis >> Heating and Air Conditioning >> Auxiliary Cabin Heater >> Description and Operation >> Stationary Heater (STH) System >> Fuel Metering Pump

Fuel Metering Pump



Fuel Metering Pump


Illustrated On Model 210:






Task
The STH or heater booster STH fuel metering pump (Y23)
- delivers the fuel that is needed for combustion to the STH or heater booster heater.
- blocks the fuel supply line if the STH or heater booster heater has stopped.
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