2011 S550 4MATIC CONSTANT DRAIN ON BATTERY

Asked by Apr 10, 2016 at 05:03 PM about the 2011 Mercedes-Benz S-Class S 550 4MATIC

Question type: Maintenance & Repair

BATTERY LOOSES VOLTAGE WHILE SITTING

3 Answers

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https://www.youtube.com/watch?v=KF1gijj03_0

1 out of 1 people think this is helpful.
Best Answer

Thanks I'll give it a try

5

The S-Class is so loaded with electronics and safety features that are active 24/7.....its always a big drain on the battery. Get a 12V battery tender (you get it in all auto stores for 20-30 bucks), and hook it up to the terminals if the car will sit longer than a week or two. If you let the battery get drained below a certain charge too many times, you will kill it eventually. Take care.

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