mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Air Injection Pump Relay|Locations|Page 4152 > < Air Injection Pump Relay|Locations
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Air Injection Pump Relay: Description and Operation

PURPOSE

The electronic clutch of the air injection is controlled by the HFM-SFI control module via the air injection relay (K17). When air injection is
required, the relay engages and sends power to the air injection clutch and switchover valve.

Fuse/Relay Box "F1"

Relay I.D. In Fuse/Relay Box "F1"

Air Injection Pump Relay|Locations|Page 4152 > < Air Injection Pump Relay|Locations