• E Class
  • Mercedes-Benz E-Class W212 Auxiliary Backup Battery - 12V 1.2Ah OEM Replacement
Main Image: Replacement auxiliary backup battery for Mercedes-Benz W212 E-Class. Detail Image: 12V 1.2Ah small backup battery for Mercedes-Benz electrical systems.
Main Image: Replacement auxiliary backup battery for Mercedes-Benz W212 E-Class. Detail Image: 12V 1.2Ah small backup battery for Mercedes-Benz electrical systems.

Mercedes-Benz E-Class W212 Auxiliary Backup Battery - 12V 1.2Ah OEM Replacement

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LE 3,000.00
LE 2,700.00

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Eliminate the "Auxiliary Battery Malfunction" warning on your dashboard with this high-quality OEM replacement battery for the Mercedes-Benz E-Class W212.

The auxiliary battery in your W212 plays a vital role in supporting the vehicle's electrical architecture. It ensures that critical systems—such as the electronic gear selector (ISM), parking pawl, and various safety sensors—remain operational even if the main starter battery fails. This premium lead-acid battery is designed to meet exact Mercedes-Benz specifications for voltage and amperage, ensuring long-lasting reliability.

Key Features:

Direct Fix for Malfunction Errors: Specifically designed to resolve the common dash warning lights related to backup power.

Essential System Support: Powers the transmission shift module, allowing you to move the car out of "Park" in emergency situations.

Maintenance-Free Design: Fully sealed (VRLA) construction prevents leaks and requires no fluid top-ups.

Perfect Fitment: Matches the exact physical dimensions and terminal style of the original W212 auxiliary battery.

Reliable Performance: High-quality cells provide a steady 12V 1.2Ah output for consistent electronic support.

Technical Specifications:

Compatibility: Mercedes-Benz E-Class W212 (2010–2016).

Type: 12V 1.2Ah Lead-Acid Battery.

Typical Location: Usually located inside the dashboard (driver's side) or in the trunk area depending on the specific engine model.

Free shipping on orders over LE50

Standard delivery within 2–5 business days

Easy 30-day returns

Return items in original condition for a full refund
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Perfect Fit and Solid Quality

The product fits my car perfectly and the build quality is very good. Everything works smoothly and feels durable. Definitely happy with the purchase.

— Ahmed Hassan

Car Owner • Cairo

Easy Installation and Clean Finish

Installation was simple and didn’t require any changes. The final look is clean and professional, exactly what I was looking for.

— Mohamed Salah

Daily Driver • Giza

Worth the Price

Good quality compared to the price. Packaging was secure and delivery was on time. I would recommend this product without hesitation.

— Karim Adel

Automotive Enthusiast • Alexandria

Helpful Support and Accurate Description

Customer support helped me confirm compatibility before ordering. The product arrived exactly as described and works perfectly.

— Omar Youssef

Car Accessories Buyer • Nasr City

Reliable and Practical

I’ve been using it daily and it performs very well. No issues so far and the quality feels reliable for long-term use.

— Mostafa Ibrahim

Private Car Owner • Heliopolis

Highly Recommended Store

This is not my first purchase from this store and the experience is always smooth. Good products, fair prices, and trusted service.

— Mahmoud Fathy

Returning Customer • Egypt