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About this part
What it does. Deka 12 Volt Auxiliary Battery Deka 1-AUX30LP stores the electrical charge that starts the engine and powers accessories with the engine off.
Symptoms that point to this part
- Slow cranking
- Dashboard lights dimming while starting
- Repeated jump starts needed
Fitment. Catalogued as fitting 2023–2024 Mercedes-Benz Sl43 Amg, 2022–2024 Mercedes-Benz Sl55 Amg, 2022–2024 Mercedes-Benz Sl63 Amg. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.