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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53149
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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Battery light is on. i went to auto zone to check battery

Customer Question

Customer: ***** *****. battery light is on. i went to auto zone to check battery and alternator. they alternator dropped slightly, they suggested a new battery. should I go and have the code checked or just replace the battery?
JA: Thanks. Can you give me any more details about your issue?
Customer: I have a ml320. the car has been running rough. the battery light comes intermittenly. 2001 ml
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Submitted: 10 months ago.
Category: Mercedes
Expert:  Marty replied 10 months ago.

Hi, if the battery light is on it indicates a fault with the alternator or the wiring, not with the battery. If the battery still starts the car you need to have a more thorough check performed on the alternator circuit.

Let me know if you have any questions.

Marty

Expert:  Marty replied 10 months ago.

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