Description
Keep your vehicle’s advanced electronics running flawlessly with this genuine Mercedes-Benz auxiliary backup battery. Specifically designed to support secondary electrical operations, this battery acts as a critical power stabilizer for core safety systems, instrument clusters, convenience electronics, and Eco Start/Stop functionalities.If your dashboard is displaying the common “Auxiliary Battery Malfunction” message accompanied by a small battery symbol, your secondary battery has likely dropped voltage and needs a direct swap to prevent loss of safety functions like Blind Spot Assist and smooth transmission shifting behavior. Engineered utilizing durable, spill-proof Absorbent Glass Mat (AGM) technology, it features extreme vibration resistance and zero required maintenance, meeting strict factory longevity standards.
Common Symptoms of Malfunction
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- “Auxiliary Battery Malfunction” warning alert on the instrument cluster
- Failure of the Eco Start/Stop system to engage
- Sudden glitches or loss of settings in convenience electronics and active driving systems
Vehicle Compatibility
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- Fits a wide range of Mercedes-Benz passenger cars and SUVs (including select C-Class, E-Class, S-Class, CLA, GLA, GLC, and GLE models depending on the original part number).
Because Mercedes-Benz utilizes several different sizes of auxiliary modules depending on the specific equipment packages ordered from the factory, please provide your 17-digit VIN to our service team before ordering to verify the exact replacement part number.
Get in touch with Merc-King Auto for assistance finding the right brake pads for your Mercedes-Benz.
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