New battery, if sits overnight the battery will drain and have to get a boost for the engine to start.
Feb 27, 2023 at 2:42 PM
Battery drains overnight?
2004 MERCEDES BENZ S430
STAN1204
- MEMBER
- 1 POST
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JACOBANDNICKOLAS
- ✓ASE Certified Mechanic
- 110,194 POSTS
Hi,
A drained battery overnight can be the result of several different things. For example, a short, a glove box lamp stuck on, and so on.
Here is what I need you to do. Follow the directions in this link. When I have a vehicle like this, if nothing is obvious, I use a voltmeter to test for a specific circuit drawing too much power. When you look at the link, it is one of the last things listed.
https://www.2carpros.com/articles/car-battery-dead-overnight
Let me know if this helps.
Take care,
Joe
A drained battery overnight can be the result of several different things. For example, a short, a glove box lamp stuck on, and so on.
Here is what I need you to do. Follow the directions in this link. When I have a vehicle like this, if nothing is obvious, I use a voltmeter to test for a specific circuit drawing too much power. When you look at the link, it is one of the last things listed.
https://www.2carpros.com/articles/car-battery-dead-overnight
Let me know if this helps.
Take care,
Joe
Feb 27, 2023 at 8:19 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.