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Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3721
Experience:  15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
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Key fob for my 2008 S63 will not open or lock doors most of

Customer Question

Key fob for my 2008 S63 will not open or lock doors most of the time..works once and will not the next ten times.
Clock is going nuts...goes to 12 and when you start car after a few seconds goes time.
Back up camera is not working correctly.
Changed battery in key fob..
What do you think is messed up?
Can't get to dealer till next week and if its a battery I can get that done locally..maybe
TY
Submitted: 3 months ago.
Category: Mercedes
Expert:  Lou P. master tech replied 3 months ago.

Hello my name is ***** ***** i will do my best to help you.I am looking over your info now and will reply back soon with some info , thanks!

Expert:  Lou P. master tech replied 3 months ago.

how many key fobs do you have?

may i have your vin to check to see if you have 1 or two batteries in your model?

have you ever had to jump the car?

Customer: replied 3 months ago.
one fob
and there are two batteries.
Starter Bat in front and consumer bat in trunk,
Customer: replied 3 months ago.
no never jumped the car
Expert:  Lou P. master tech replied 3 months ago.

Ok most times you would get a message on the dash about battery voltage but it sounds like your main battery is failing. That is the trunk battery. So that is the one that will need tested first. The front one is the starter battery.

Expert:  Lou P. master tech replied 3 months ago.

any luck? have not heard from you in a few??

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