mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

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Relays and Modules - Fuel Delivery and Air Induction > < Engine - Cuts Out When Stopping/Intermittent Idle Surge|Page 356

300SL (129.061) L6-3.0L (104.981) (1991)

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Overvoltage Protection Relay: Description and Operation

Component Locations

The overvoltage protection relay prevents damage to the CIS-E control unit from excessive voltage which may occur when vehicle components are
switched on and off or in the event of an overcharge to the vehicle battery.

Relays and Modules - Fuel Delivery and Air Induction > < Engine - Cuts Out When Stopping/Intermittent Idle Surge|Page 356