Question about 1991 Mercedes-Benz Mercedes Benz 500 Class

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Security radio code for 1991 500sl

How to retrieve the radio code for 91 500sl

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It will be provided with the original manual/paperwork for the vehicle. If you are unable to find this, you will need to take the car to a dealer. They can provide the code with the serial number and the car's VIN.

Posted on Mar 28, 2014

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Posted on Jan 02, 2017

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I have an 2012 chrysler 200. i recently had to replace the radio. it was purchased off of ebay. i have thevehicles registration and radios serial number how do i retreive the security code


The code is unique to each radio. You will need to show proof of purchase and the radio serial number to a Chrysler dealer to get the unlock code for the radio you purchased.

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After reconnecting battery radio will not work. LOC appears on screen. power switch has no effect . how do i fix?


Hello.... LOC means that a customer code has been stored into the radio for security reasons. At this point the only code that can be retrieved is the backup code. This code can be retrieved by the dealer. From this code they can get the customer code. If this is not a option may I recommend getting a new radio....

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Feb 22, 2010 | 1993 Volvo 940

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What do you do when the radio says, Lock?


If you have installed a radio from another car chances are it locked. Its a security device in the radio to prevent theft. If its the original radio in your car then the dealer might have the unlock codes you need.

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1998 Sunfire 4 dr, Replaced the car battery and now the radio is locked, where can i get the code to reset it. All that happens is a red flashing light beside the power/volume nob. please help


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Feb 15, 2010 | 1998 Pontiac Sunfire

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Radio won't work. Don't have code. Is in LOCK


notify a dealer the loc code is part of vehicle security system-- call the dealer first they can also advise how to retrieve the radio id code which is needed for the un loc code or if u have ur manual in if is how to retrieve the radio id code

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Need unlock code for my 99 oldsmobile radio s# 532544 and how to do it.


THE DEALERSHIP HAS TO FIX.THEY HAVE TO LOOK UP CODE TO UNLOCK RADIO.

Dec 01, 2009 | 1999 Oldsmobile Alero

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I need the security code to my radio for 2000 mishubishi galant


Mitsubishi
Radio unlock procedure
  1. Your vehicle requires that you remove the radio from the vehicle in order to retrieve your radio's serial number.

  • SECTION 1.B

Radio serial#
  1. Found on top of vehicles radio. You must remove radio from vehicle in order to retrieve radio serial number.
  • Some vehicles will have A serial# in the glove box. THIS IS NOT THE RADIO SERIAL# AND MAY NOT BE USED IN ANY WAY TO RETRIEVE CODE!
  • We ask that you not send us this number, as it will only delay your code retrieval process!
  • The radio serial# is found ONLY on vehicles radio chassis.

SECTION 2.B
ALSO


Radio MR or MB#
  1. (Found on top of vehicles radio. You must remove radio from vehicle in order to retrieve radio serial number).
  2. Number will start with MR or MB. You must include all numbers and letters included in serial#, including "MR or MB".

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