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Mercedes W202 C280 Has no Power, nothing.

Customer Question
Mercedes W202 C280 Has no Power, nothing.
Submitted: 1 year ago.Category: Mercedes
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Answered in 7 minutes by:
7/7/2016
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,078
Experience: 15 years master certified 100% fix rate and have access to factory radio codes, wiring, and instructions.
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Hello, my name is***** and i will do my best to assist you.I am going over your story now and will reply back soon with some info,thanks!

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Customer reply replied 1 year ago

It's James from Champaign again.....lol

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok first thing i think is that the battery is weak and needs charged/jumped, have you tried this?

and i thought that was you when i seen the car lol.

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Customer reply replied 1 year ago

I took the battery to Autozone this morning. I will pick it up in a half hour. They said it was too weak to have a reading. Battery is almost 3yrs old.

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok well that sounds like the battery is the issue then, and batteries should last about 7 -8 years IF you get a good one, i would advise an interstate battery. not the autozone ones , or parts store besides napa. so i guess let me know how it goes after the battery install. i dont think you will have another issue besides the battery.

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Customer reply replied 1 year ago

Is there anything that could drain the battery super fast all of a sudden? I've been in and out of the car installing stereo and satellite radio. As soon as I was going to program the stereo, I got nothing. The radio powered on, etc, left, came back 20 mins later---nothing at all.

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

well it depends on how long the ignition key was on or a door was opened, if the battery was super weak it would not take long for a draw to kill the battery, and any time the doors are open the modules are all awake and draining the voltage.

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Customer reply replied 1 year ago

I got the car started but there is a loud beeping sound while I'm in drive or reverse. The brake light is on as well.

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

parking brake is set.

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Customer reply replied 1 year ago

The parking brake isn't on....

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

it has to be set low enough for the switch to activate, pull the parking brake release and at the same time pull up on the parking brake pedal and the light should go off. check that.

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Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

the parking brake switch is the only thing that would cause this.

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Customer reply replied 1 year ago

Where is the switch? Does the car have to be on to deactivate it?

Customer reply replied 1 year ago

I tried the trick and the light and beeping remained.

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago
The switch is mounted to the parking brake assembly. You will need to access the switch and unplug the wire from it. It will or should just be a single wire at the parking brake pedal assembly. Follow the pedal up under the paneling and you should find the wire
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Customer reply replied 1 year ago

I traced it up awhile ago. It may have become loosened somehow. I'm about to test it now.

Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 year ago

ok well it only activates when the wire is touching bare metal it has to be grounded to activate. so let me know.

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Lou P. master tech
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