Replacement Auxiliary Battery for Mercedes N000000004039 | 12V 1.2Ah | Backup Power

Ensure the seamless operation of your vehicle's electronic systems with our replacement for Mercedes Benz N000000004039 Auxiliary Battery. This 12-volt, 1.2Ah sealed lead acid battery is designed to replace the small backup battery found in many Mercedes-Benz models, often located in the dashboard or trunk.

This auxiliary battery supports critical functions such as the transmission shifter (electronic gear selector), eco start/stop system, and dashboard memory during voltage drops. It features a maintenance-free, spill-proof design for safe installation in any orientation.

Key Features & Benefits

• Direct OEM Replacement: Matches the specifications of Mercedes part number N000000004039 for a perfect fit and function.
• Critical Backup Power: Provides essential voltage to electronic shifters and control modules, preventing "Auxiliary Battery Malfunction" errors.
• Maintenance Free: Sealed Absorbed Glass Mat (AGM) technology prevents leaks and requires no watering.
• Compact Size: Small footprint fits into the tight auxiliary battery compartments of modern vehicles.
• Reliable Performance: High-quality cells ensure consistent voltage delivery and long service life.

Product Specifications

• Product Type: Replacement Automotive Auxiliary Battery
• Replaces OEM Part #: N000000004039 (Mercedes-Benz)
• Voltage: 12V
• Capacity: 1.2Ah
• Chemistry: Sealed Lead Acid (AGM)
• Terminal Type: F1 / F2 (Verify)
• Condition: Brand New

Common Applications

This auxiliary battery fits various Mercedes-Benz models, including:

• C-Class (W204)
• E-Class (W211, W212)
• S-Class (W221)
• ML and GL Series
• CLA and GLA Class

Clear your dashboard errors. Order your Replacement Mercedes Auxiliary Battery today!

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.