My key isn't working to open my door could the battery be dead?

Asked by Feb 05, 2013 at 03:57 PM about the 2001 Mercedes-Benz C-Class C 320 Sedan

Question type: Maintenance & Repair

5 Answers

Check the battery voltage, it should be 13.5 V, kick the headlights on for a minute and see if this "load test" will be sufficient to crank it over.

1 of 1 people found this helpful.

...else throw a charger on it for eight to ten hours, I'll be expecting a full report, in the morning!

101,525

Check the battery in your remote control while you have your meter out.

1 of 1 people found this helpful.
145

THE KEY MIGHT HAVE LOST ITS CODING THAT CAN HAPPEN BUT CHECK BATTERY IN ROMOTE

2 of 2 people found this helpful.

you know modern car batteries will stop taking a charge ten percent per year....so check the "knock-off" labels on the top of your battery to see how old that it is...buy a new battery~

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