SL 55 AMG (230.474) V8-5.5L SC (113.992) (2003)
Heating operation can be started immediately (manually) or automatically at the preselected time.
The manual triggering can be conducted with:
-
the STH radio remote control transmitter (A8/3) from a max. distance of 300 m
or
-
using the STH switch (S46) in models 215 and 220 or the STH switch (N72s12) in models 203, 209 and 230 in the vehicle itself
For automatic activation
-
the STH radio remote control receiver (A6/1)
(models 215 and 220 up to 31.05.00)
or
-
the instrument cluster (A1)
(models 215 and 220 as of 01.06.00 and models 203, 209 and 230) must have a preselect time activated in them.
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.
Glow Pin
Glow Pin