Unlock your Mercedes-Benz radio

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Enter your radio's serial number or see the examples.
5,800+
vehicle radios unlocked

How do I find my Mercedes serial number?

When your Mercedes-Benz radio, stereo or sat nav becomes disconnected from the battery, usually due to a garage service or a low battery, it automatically locks and begins to ask for a radio code. As this is an anti-theft feature it's not possible to unlock a Mercedes radio without this code, but getting hold of your radio code is an easy process that can be done in minutes. Many dealerships and online generators decode the radio code from the VIN number, but this code will be incorrect if the radio has ever been changed in the vehicle's lifetime.

The most accurate way to get your Mercedes-Benz's unlock code is by decoding it from the radio's serial number. This will look like one of the following examples:

There are two methods to find your radio's serial number – a fast one and a slightly slower one.

Careful

Always double-check that the serial number you enter matches the serial number on your radio's display or sticker label, as we are usually unable to offer refunds for radio codes decoded from incorrect serial numbers.

Method 1: the quick way

If your Mercedes-Benz radio/stereo unit has numbered buttons, you may be able to reveal the serial number on the display without removing your radio. Try briefly holding down buttons 1 and 6 for at least 5 seconds. If your serial number doesn't appear on your radio's display, try holding down buttons 2 and 6 instead.

If your radio doesn't change at all when holding down either 1 and 6 or 2 and 6, or your radio doesn't have any number buttons, then you'll need to remove your radio to get the serial number from its sticker label.

Method 2: removing your Mercedes-Benz radio or sat nav

Don't worry – removing your radio is not as hard as it sounds, but it is the hardest part of getting a radio unlock code, which means that once you've done it the rest is easy. The exact process depends on whether your radio has removal slots or not. Look carefully around the front of your radio for 2 or 4 holes: these may be either flat and key-shaped or square and slightly rounded.

If your radio has flat key-shaped slots (image 1), you'll need these radio removal keys. In a pinch, you can also try using everyday items that will fit into the slots, such as two pairs of small scissors.

Mercedes-Benz flat slot type
Image 1
Mercedes-Benz round slot type
Image 2

If your radio has square slots (image 2), you'll need these radio removal keys.

Removing a touchscreen radio
Image 3

Once you have your radio removal keys, insert each one into your radio's removal slots until you feel some resistance or hear a click. If your radio is the flat slot type, make sure you insert each key with the rounded side facing the inside of the radio (image 3). Finally, start pulling your radio unit out while pushing out on the removal keys - this will give them enough grip to pull out the radio. In most cases you won't need to disconnect any wires from the back - simply take pictures of all the labels on the radio and insert it back into the dash.

If you'd prefer to see this process visually, see this video.

If your Mercedes radio doesn't have any visible removal slots, the exact process of radio removal can vary widely. To find the easiest and most specific instructions for your radio or sat nav unit, search YouTube for your vehicle's model or model number: for example, Mercedes-Benz W168 radio removal. For most Mercedes radios and sat navs, the only tools you will need are a trim/pry tool and a T20 screwdriver.

Identifying your serial number

Your Mercedes-Benz radio's serial number will usually look like one of the examples in this section above.

Becker models will have the 8-digit numeric serial number clearly labeled on its own. If this has worn out on your radio's label, you can also enter the full 15-digit barcode serial into our decoder (image 4).

Mercedes-Benz M serial example
Image 4
Mercedes-Benz V serial example
Mercedes-Benz BP serial example
Mercedes-Benz C7 serial example
Mercedes-Benz BP serial example
Mercedes-Benz C7 serial example
Mercedes-Benz Visteon serial number

Once you have your serial number, all that’s left is to enter it into our Mercedes-Benz radio decoder and generator at the top of this page.

Questions about Mercedes-Benz radio codes

Mercedes-Benz vehicles and radios that we are able to decode include:

  • MB Truck Base High
  • MB Truck Base Low
  • Mercedes Audio 5
  • Mercedes Audio 10
  • Mercedes Audio 20
  • Mercedes Audio 30
  • Mercedes Audio 50
  • Mercedes APS BT-2
  • Mercedes Blaupunkt
  • Mercedes Bosch
  • Mercedes Cascade
  • Mercedes Classic
  • Mercedes Daimler
  • Mercedes Harman/Becker
  • Mercedes Grand Prix
  • Mercedes Grand Prix Pro
  • Mercedes Matsushita
  • Mercedes A-Class
  • Mercedes Actros
  • Mercedes Antos
  • Mercedes Arocs
  • Mercedes Atego
  • Mercedes Axor
  • Mercedes Atron
  • Mercedes C-Class
  • Mercedes CLA-Class
  • Mercedes G-Class
  • Mercedes Citan
  • Mercedes Econic
  • Mercedes Sprinter
  • Mercedes S-Class
  • Mercedes Unimog
  • Mercedes Zetros
  • Mercedes Mexico
  • Mercedes Mexico Pro
  • Mercedes Panasonic
  • Mercedes Special APS
  • Mercedes SOUND 10
  • Mercedes SOUND 4024
  • Mercedes SOUND 30 APS
  • Mercedes SOUND 50 APS
  • Mercedes Traffic Pro
  • Mercedes Traffic Star
  • Mercedes Truckline CC20
  • Mercedes Truckline CC25
  • Mercedes Truckline CC30
  • Mercedes Truckline CC40
  • Mercedes Truckline CD70
  • Mercedes Vito
  • Mercedes Visteon
  • and much more...

Unfortunately, it's not possible to unlock a Mercedes-Benz radio asking for a code without entering the code. This is intentional as radio unlock codes were originally designed as an anti-theft feature to make it harder for thieves to steal and resell car radios.

Due to the costs of running a small business providing radio codes around the world 24/7, it's not possible to sustainably offer Mercedes-Benz radio codes for free. There are many decoding services out there that attract customers with the word "free" only to reveal a price at the very last second or fail to deliver a code at all (as shown by their reviews). Our prices will always be shown up-front, and our radio codes are already priced as low as possible while still allowing us to stay in business, provide reliable English-speaking support to customers and continue adding support for more models and manufacturers.

Not only were we the first radio decoding company to offer radio codes for all manufacturers at one fixed price, we were also one of the first to charge as low as £4.99 - before we came along virtually no popular decoding company offered radio codes at such an affordable price. To this day we still beat 95% of our competitors on price, without making you wait around for your code.

Unfortunately it's not possible to generate a Mercedes-Benz radio code from the registration plate at all. Although most dealerships and some online decoding sites do use the VIN to decode the radio code, this is not reliable due to being tied to the car rather than the radio. This means that if your radio was changed since it was first manufactured, a radio code decoded from the VIN will be incorrect. For this reason RapidRadioCodes - like most online decoders - decodes the radio code from the radio's serial number, which gives us the best chance of unlocking your radio.

All our Mercedes-Benz radio codes are decoded instantly, displayed on the screen immediately after payment and sent to your email at the same time. To ensure that your code and receipt are sent to you, double-check that the email you enter when paying for your radio code is correct. If it's been more than 2 minutes since you purchased your code and you haven't received your email, get in touch with us so we can look into why this might be. In most cases this is down to a misspelt email address.

This means an incorrect radio code has been entered. To bypass this lock leave the ignition and radio on for up to 2 hours until you're able to enter another code. If you're not able to enter a code after 2 hours, this means an incorrect radio code has been entered 10 different times - we call this a "hard lock". The only way to bypass a hard lock is to physically take the radio to a specialist with the hardware tools needed to clear the lock in the radio's EEPROM chip. However, this is a much more expensive process and it can often work out cheaper to buy a new radio. For this reason you should get in touch with us as soon as possible instead of wasting your code entries.

So you've located your serial number, entered it into our radio code generator, and received your decoded radio code in return. Congratulations! Now comes the best part: using your new radio code to unlock your Mercedes-Benz radio.

This process varies depending on your vehicle's radio. Each of our Mercedes-Benz radio codes come with simple instructions to enter your new code at no extra cost. To receive your entry instructions, double-check that your email address is spelt correctly at the payment stage. If it's been more than 2 minutes since you purchased your unlock code and you haven't received your email or receipt, get in touch with us so we can look into why this might be. This is usually down to a misspelt email address.

Who we are

RapidRadioCodes™ is a small independent business based out of Sheffield, Yorkshire, in the North of the UK. Our mission is to be able to instantly generate radio unlock codes for all cars, vans and trucks, at a single fixed price that's cheaper than both the dealerships and other third-party decoding sites. Since first being established less than a year ago, we've already helped over 5,000 drivers, garages and car dealerships unlock their radios, and received hundreds of 5-star reviews across our TrustPilot and Reviews.io pages. Still have questions? See if we've already answered them in our main FAQ section.