C 280 (203.054) V6-3.0L (272.940) (2006)
Air Injection Pump Relay: Description and Operation
GF14.30-P-2010V Air Pump Relay, Description of Components
Air Pump Relay, Description Of Components
Component Identification
Location
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Models 203, 209, 221: in front SAM control unit with fuse and relay module
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Models 171, 211, 219: in driver-side SAM control unit with fuse and relay module
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Model 230: passenger-side fuse and relay module
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Models 164, 251: in engine compartment fuse and relay box.
Component Identification
Task
Actuates the electrical air pump and the air pump switchover valve.