The unlock procedure for the 1991 Mercedes 560sel radio is pretty straight forward. The owner must call the dealer and provide the VIN of the car. The dealer will provide a code to reset the radio.
To program the radio on a 1990 Mercedes 560SEL, first, turn on the ignition and press the radio power button. Use the "Seek" or "Tune" buttons to find your desired station. To store a station, press and hold one of the preset buttons (1-6) until you hear a beep. Repeat this process for any additional stations you want to save.
If you don't have the radio code with the manual you will have to go to the dealer and get the radio code.
If you dont have the stiker in your oners manule that has the coad.You will need to get the sierial number off the radio and call the deeler to get it.
its a security feature and you will need the radio code to unlock it.
To unlock the radio in your 2003 Mercedes SLK230, first turn on the ignition without starting the engine. Then, switch on the radio; it should display "CODE" or "ENTER CODE." Use the radio preset buttons to enter your security code. After entering the correct code, the radio should unlock and begin to function normally.
whats number do i put in to unlock radio is it security code or radio code to unlock radio?
go to this website http://www.w-body.com/forum/index.php/topic,31841.0.html
You might try 33343. It is the one I use for my 1991 model
To enter the radio code for a 1999 Mercedes SL500, first turn on the ignition and the radio. If the radio displays "CODE" or "SAFE," use the radio's preset buttons to input the four-digit code. Press the "1" button for the first digit, "2" for the second, and so on. After entering the complete code, press the "OK" or "Volume" button to confirm, and the radio should unlock.
To recode the radio in a 2002 Mercedes SLK, first, ensure the car is in the "ON" position without starting the engine. Then, enter the radio code using the preset buttons on the radio; typically, you press the buttons corresponding to the numbers in the code. If you don't have the code, it can usually be found in the owner's manual or obtained from a Mercedes dealer using your Vehicle Identification Number (VIN). After entering the correct code, the radio should unlock and operate normally.
how unlock radio on trailblazer 2003
You need the radio unlock code in the radio manual