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sprinkles08
sprinkles08, ASE Certified Technician
Category: Mercedes
Satisfied Customers: 21594
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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I have a 2003 mercedes s500 and i replace battery and

Customer Question

Hi paul i have a 2003 mercedes s500 and i replace battery and altenator and it keeps dying on me plus heater,horn and accessories lights dont work after replace altenator can you help
Submitted: 10 months ago.
Category: Mercedes
Expert:  sprinkles08 replied 10 months ago.

Hello and welcome to JustAnswer!

It sounds as if you may have a battery draw. If the battery dies when the vehicle is parked then there is a component staying awake and drawing current when the car is at rest. An ignition off draw test will need to be done if that's the case.

Is the battery dying while the car is sitting?

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