Auto >> AutoSPT >  >> Auto Repair

How do you reset radio code on 1991 190e Mercedes?

Step 1: Enter Key 1

- Turn on the ignition and check the audio setting.

- Key 1 is the first digit of your radio code. Turn the left control knob to match this number.

Step 2: Enter Key 2

- Turn the left control knob to cycle through the numbers.

- Stop at the number that matches the second digit of your radio code.

Step 3: Enter Key 3

- Turn the left control knob to cycle through the numbers.

- Stop at the number that matches the third digit of your radio code.

Step 4: Enter Key 4

- Turn the left control knob to cycle through the numbers.

- Stop at the number that matches the fourth digit of your radio code.

Step 5: Press the Reset Button

- Your radio will display "Code" and your new code.

- Write down the code in case you need it again.