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Kevin, Master tech
Category: Mercedes
Satisfied Customers: 1362
Experience:  Diagnostic technician
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Couldn't open door on mercedes 550s, open the trunk finally.

Customer Question

Couldn't open door on mercedes 550s, open the trunk finally. How do we tell if battery is dead. Is the only way to charge with jumper cables? We can reach anyone to jump battery.
JA: Did you test the battery with a voltmeter? And have you ever changed one before? What is the model/year of your Mercedes?
Customer: 2007 S550
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: No we just opened the trunk and found the battery. We are stranded soon
JA: Anything else you think the mechanic should know?
Customer: No thanks
Submitted: 1 month ago.
Category: Mercedes
Expert:  Kevin replied 1 month ago.

Hi im kevin if there was no power to anything its. Highly likely that the battery has failed .is boot light on ? Have you attempted to jump start ?

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