E 320 4MATIC Wagon (210.282) V6-3.2L (112.941) (1998)
Climate Control Exhaust Gas Sensor: Description and Operation
The smog sensor switches to 100 % recirculated air via the push-button control module when the following conditions are fulfilled:
-
60 seconds after ignition ON
-
activated charcoal filter switched on (LED illuminated)
-
high CO-/NOx quantity in outside air
-
EC mode not switched on
--
outdoor temperature > 7 °C
Function