Hella 001559001 Battery Cut-Off Switch

Hella Battery Master Switch for Mercedes-Benz

The Hella 001559001 battery cut-off switch is a manual master disconnect for electrical systems that need a reliable way to isolate battery power. Built with a turn knob control and a normally open contact, it is suited for service, storage, and emergency shutoff use on select Mercedes-Benz GLS63 AMG, GL63 AMG, and ML63 AMG applications.

• Battery cut-off switch with turn knob control
• Normally open contact design
• 100 A current strength
• 24V capacity up to 2500 A for 10 seconds
• M10 connecting thread with 1.5 mm thread pitch
• Bolted mounting type with 2 connectors
• IP53 rear protection rating

Electrical Disconnect Function

Hella part number 001559001 is a battery master switch used to interrupt battery power at the source. The 100 A rating supports standard electrical isolation needs, while the 24V surge capacity of up to 2500 A for 10 seconds provides short-duration starting and disconnect performance in demanding vehicle electrical systems. This part cross-references Anchor 10140 and Walker Exhaust 46975 for the same application.

Vehicle Fitment

• Fits 2017-2019 Mercedes-Benz GLS63 AMG, N/A, Engine Cooling
• Fits 2013-2016 Mercedes-Benz GL63 AMG, N/A, Engine Cooling
• Fits 2013-2015 Mercedes-Benz ML63 AMG, N/A, Engine Cooling
• Fits 2012 Mercedes-Benz ML63 AMG, N/A, Engine Cooling, From 12/02/2011

Common Uses

• Restoring battery isolation when the original master switch fails
• Stopping unwanted battery drain during storage or service
• Providing a manual power disconnect for engine cooling system service
• Replacing a worn or intermittent electrical shutoff switch

Installation Notes

Verify the M10 threaded connection, 1.5 mm pitch, and two-terminal layout before installation. Confirm the switch orientation, bolted mounting location, and rear IP53 protection requirements match the vehicle’s existing setup. Use the vehicle’s service information to confirm electrical routing and disconnect procedure before replacing the original unit.

Quality Assurance

Manufactured by Hella, part number 001559001 is built to meet the specified electrical and mounting requirements for the listed Mercedes-Benz applications. Review the vehicle fitment details carefully to confirm the correct application before installation.