Mercedes C-Class 2004 Unlock Code⚡
W203 | Instant Retrieval | 24/7 Service
View our complete Refund Policy.
1. Turn on your Mercedes C-Class 2004
2. Your radio will display "Enter Code" or "CODE"
3. Use preset buttons to enter each digit
4. Press and hold button 6 to confirm
5. Your radio unlocks immediately!
How to get your Mercedes C-Class 2004 radio code?
1. Find the serial number on your radio. Hold down preset buttons 1 and 6 for 2-3 seconds. Serial number will show up on screen. No VIN required!
2. Enter your serial number in the field on the left
3. Proceed to checkout to instantly receive your unlock code
Compatible Radio Types:
- Becker
- Audio 10
- Audio 20
- Audio 30
- APS
Serial Number Patterns:
Your radio serial may start with: BE, AL
Serial Number Examples:
BE2060X1231234
(BE)
AL2910X1234567
(AL)
RA4210X1231234
(RA)
About 2004 Mercedes C-Class (W203)
Your 2004 Mercedes C-Class (W203) came equipped with factory radio systems that require unlock codes when electrical power is lost. Our service provides rapid radio code retrieval for all 2004 Mercedes C-Class trim levels.
Common Reasons for Radio Lock:
- Battery change or disconnection
- Electrical maintenance in your 2004 C-Class
- Radio service
- Fuse replacement
- Jump-starting after dead battery
- Purchased second-hand vehicle without code card
Why Our Service is Better:
⚡ Instant vs Days of Waiting
Dealer: 2-5 business days
Our service: Seconds
💰 $9.99 vs $120+ Dealer Price
Dealer: $120-$200
Our service: $9.99
No VIN required - just your radio serial number! Works for all 2004 Mercedes C-Class trim levels and radio variants.