mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Engine Control Module|Testing and Inspection > < ME-SFI Control Unit, Position / Task / Design / Function|Page 8587
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This makes it possible to achieve a fuel-air mixture of approximately lambda= 1.
The reading of the lambda control factor with the STAR DIAGNOSIS moves towards +25% The more the lambda control factor moves in the direction
+25%, the leaner is the fuel-air mixture and the greater is the enrichment of the mixture on the part of the ME control unit.

Engine Control Module|Testing and Inspection > < ME-SFI Control Unit, Position / Task / Design / Function|Page 8587