mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Secondary Air Injection Relay, Location/Task/Design/Function|Page 3894 > < Secondary Air Injection Relay, Location/Task/Design/Function
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Shown on model 129
K17 

Secondary air injection relay

Vehicle specific relay with flat plug contact and a N.O. contact.

Secondary Air Injection Relay, Function

Secondary Air Injection Relay, Function

Shown on model 129
K17 

Secondary air injection relay

The secondary air injection relay is operated by the ME-SFI control unit through an output stage by means of a GND signal.

Secondary Air Injection Relay, Location/Task/Design/Function|Page 3894 > < Secondary Air Injection Relay, Location/Task/Design/Function