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Spare parts reviews ➔ All comparisons ➔ Deka ➔ OEM Mercedes

Battery Deka or OEM Mercedes

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Deka
OEM Mercedes
OEM Mercedes › Battery
skullbox15
  • Indicator:
Rating 5.0

I have a 2020 GLB250 and mine was saying "12V battery" on and off for a few weeks. I checked under the hood with a multimeter and my main battery did have a low voltage while the car was off. I replaced it a few weeks back. No more notification.

Pros: no more notification
Cons: low voltage, on and off
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OEM Mercedes › Battery
licheff
  • Cranking:
  • Indicator:
Rating 5.0

I had the same issue on my w213 - same warning every now and then until one day it just didn’t start. Replaced the battery and solved the issue.

Pros: solved the issue
Cons: warning every now and then
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Deka › Battery
liam821
  • Indicator:
Rating 5.0

You can get an Deka AUX18L from batterymart.com for $159 shipped to your door. Deka is the OE manufacturer of the BMW battery for the i3. My original battery lasted 7 years, it’s a no-brainer.

Pros: lasted 7 years
Vehicle: BMW
Part number: AUX18L
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OEM Mercedes › Battery
evthrowawayverysad
Rating 5.0

Everyone's suggesting things that might save you half a percent or so, but no one has pointed out that by driving at 80mph, you lose *around 30% more battery* than if you were doing 70mph over the same distance

Cons: lose battery at 80mph
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OEM Mercedes › Battery
buttlicker-6652
Rating 1.0

In the 166 body MB ML/GL, its under the passenger seat, with barely enough room to reach the rear terminal. It's also so far forward that you can barely grab the fuckin thing. Oh, did I mention that it is a group 49 battery.

Cons: hard to reach
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OEM Mercedes › Battery
West-Requirement-842
  • Indicator:
Rating 0.5

I don’t have an AMG, but a 2024 CLA 200d and having battery drain problem is annoying to say the least and haven’t even had the car for a month when it all started happening. It’s been at the dealer for the past 3 days and no voltage drop there. They gave me the signal blocking key case and they upgraded the software and still can’t find the problem. Third visit in the month and new battery installed too.

Cons: battery drain problem, annoying, problem persists after new battery
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Which battery to choose — Deka or OEM Mercedes?

If choosing battery across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare battery across these categories:

Comparison of battery Deka and OEM Mercedes
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which battery are better — OEM Mercedes or Deka?

In March 2026 on PartReview, battery Deka were overall better than OEM Mercedes.

  1. Deka received a PR Score of 94 out of 100, and OEM Mercedes scored 50 points.
  2. Deka ranked 3 in the overall ranking, and OEM Mercedes ranked 24.
  3. The average rating is higher for Deka (4.4) than for OEM Mercedes (2.9).
  4. Battery Deka have better feature ratings than OEM Mercedes:
    • Lights - owners believe, that this property for Deka is better than OEM Mercedes.
    • Cranking - drivers claim, that this property for Deka is outperforms OEM Mercedes.
    • Indicator - reviews suggest, that this property for Deka is preferred to OEM Mercedes.

Which battery are more popular — Deka or OEM Mercedes?

In March 2026 on PartReview, battery Deka were overall more popular than OEM Mercedes.

By vote balance, battery Deka surpassed OEM Mercedes:

  • For Deka, the ratio of positive (143) to negative (8) votes is 135 votes.
  • For OEM Mercedes, the ratio of positive (31) to negative (31) votes is 0 votes.

By number of reviews, battery Deka surpassed OEM Mercedes:

Which battery do car owners prefer — Deka or OEM Mercedes?

In March 2026, according to PartReview, battery Deka and OEM Mercedes have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.

Other comparisons of battery

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of battery Deka with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW.

Also available: comparisons of battery OEM Mercedes with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW.

You can also see who is better among other battery manufacturers: OPTIMA or Varta, OPTIMA or Bosch, OPTIMA or OEM Subaru, OPTIMA or OEM Volkswagen, OPTIMA or YUASA.

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