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20 Best Mercedes Ml W164 Auxiliary Battery of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Mercedes Ml W164 Auxiliary Battery of 2023. Check our ranking below.

2,769 Reviews Scanned

SaleRank No. #1

Casil 12V 1.2Ah SLA AGM Battery – Rechargeable Auxiliary Power – Compatible with Mercedes-Benz N000000004039

🔹 12V 1.2Ah SLA AGM Battery – Rechargeable Power Designed for auxiliary power in Mercedes-Benz models and compact backup systems requiring reliable 12V power.
🔹 Maintenance-Free AGM Technology Sealed, spill-proof Absorbent Glass Mat (AGM) construction allows for safe indoor or enclosed use with no water refills required.
🔹 F1 Faston Terminals for Secure Fit Equipped with standard F1 (0.187") terminals for easy installation in vehicle systems and compatible low-drain devices.
🔹 Compatible with Mercedes-Benz N000000004039 Replaces OEM auxiliary battery in select Mercedes E-Class, S-Class, GL-Class, CLS, ML, and CLA models (check fit before purchase).
🔹 Compact Size and Lightweight Design Measures approx. 3.86" × 1.69" × 2.05", perfect for enclosed battery compartments in vehicles or backup units.

Rank No. #2

Mercedes-Benz 000 000 00 40 39, Battery

Rank No. #3

Weize AUX14 AGM Auxiliary Battery, 36 Months Warranty, 200CCA, BCI Group 400 Battery

✅ This is the AUX14 auxiliary battery, designed for auxiliary use only and not suitable as the main starting battery. Please check compatibility before purchasing, as customers often select the wrong model. ✅ The dimensions are provided in image 3 – please ensure they match your vehicle's specifications.
Advanced Technology: AGM (Absorbent Glass Mat) Batteries are designed to give you the ultimate combination of power, durability, and flexibility. Leak proof and certified non-spillable design for safer maintenance-free power, Constructed for greater vibration resistance and enhanced durability.
High Performance: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries. 200 CCA ensures quick and reliable starting power. Delivers superior starting power in cold weather, and resists internal corrosion from heat.
Specifications: AUX14 Auxiliary battery is a 12V 14AH 200 Cold Cranking Amps (CCA) AGM Battery. Polarity: Positive on left(+), Negative on right(-). Dimensions: 5.91 inches x 3.43 inches x 5.71 inches. Self Discharge: <9% after 90 days storage. Operating Temperature Range:-4°F ～122°F, Acceptable Charging Current: 0～18A, Charging Voltage: 14.4 ～15.0 V,
Special Design: Weize agm car battery was designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car or SUV, this automotive auxiliary battery is the perfect choice for reliability.

Rank No. #4

DENGKESHANG N000000004039 000000004039 Auxiliary Battery 12V 1.2Ah with for Mercedes for Benz CL ML R S-Class

【Product Quality】The product is the same as the description, very perfect, so that your vehicle works better and uses better.
【Specialized factory】We have our own factory, the stock is sufficient, the quality is guaranteed.
【Good performance】 Easy to install, good to use.
【Pre-purchase inspection】Please carefully check the product model, size and year before purchasing to ensure that the product is what you need.
【Good service】 If you have any questions, please contact me, we will make your shopping happy, you will have a good shopping experience.

Rank No. #5

YTX14-BS 2115410001 Replacement for Mercedes Benz Auxiliary Battery - 12V 12AH Secondary Backup Aux Battery for E350, CLA 250, GLK 350, E320, ML350, E500, CLS 400, GLA 250

Compatibility & Fit – Designed to be compatible with Mercedes 2115410001 Secondary Backup Auxiliary Battery, including models E350, CLA 250, GLK350, E320, ML350, E500, CLS 400, GLA 250, S550 and more. (Full compatibility list in the description)
Fix Common Issues – This replacement for Mercedes auxiliary battery can resolve warning lights, restore Start/Stop and ECO functions, fix SRS malfunctions, improve Brake Hold operation, and prevent low voltage codes that may cause performance issues
Ready-to-Use – This 2115410001 backup battery replacement comes fully charged and ready for installation. Designed as an auxiliary or secondary battery, not as the main starting battery. It supports vehicle electronics and backup functions but is not intended for engine cranking.
Sealed AGM Battery Design – This 12V 12AH YTX14-BS sealed AGM battery is maintenance-free and may not need a vent tube. It does not have a vent port, and if your original battery includes a vent tube, it may not be required.
Installation Considerations – May require terminal adjustments or connector modifications. Includes nuts and bolts. Secure nuts with tape or silicone and use hand tools to prevent damage. If warning lights persist, check connections and ensure proper installation.

Last update on 2025-07-12 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What kind of battery does a Mercedes auxiliary battery use?

A: Mercedes-Benz auxiliary battery is a rechargeable 12V 1.2Ah battery. The alternator charges the auxiliary battery when the engine is running. If the auxiliary battery voltage drops significantly, the alternator will stop charging it, and you will get an aux battery warning on the dashboard.

Q: Why is my aux battery not working on my Mercedes Benz?

A: Mercedes-Benz uses an aux battery in critical situations to operate the transmission and critical accessories. The most common issue that triggers this error on Mercedes-Benz vehicles is a dead auxiliary battery . In most cases, to fix Mercedes-Benz auxiliary battery malfunctions, all you need to do is replace the auxiliary battery.

Q: What kind of battery does a Mercedes Benz GL450 have?

A: N000000004039 A000000004039 12V 1.2Ah lead-acid battery is the second model of the auxiliary battery, also known as the backup battery. It is used on many models including Mercedes SUVs such as GL X164 GL450 GL550 GL350 GL320 S-class W220 W221 S320 CL-class W216 CL550 CL600 CL63, R-class W251 R350, ML-class W164 ML250 ML300 ML350 etc.

Q: Where is the auxiliary battery located on an E-Class W212?

A: For E-class W212 S212 C207 A207 A0009829308 auxiliary battery is located at the driver side on the side panel upper one, to access it you will need to remove plastic protection cover.

Mercedes Ml W164 Auxiliary Battery