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Mercedes-Benz Citan radio code from your serial

The Citan is a Renault Kangoo underneath, so its radio usually shows a short precode. Type it in and your Mercedes Citan radio code comes back in seconds.

Where do I find it?
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  • Years we cover: 2012–2021
  • Serial: 1 letter and 3 numbers, like A123
  • Where: on the screen: hold 1 and 6
  • Code: in seconds, worked out from your precode
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Which radio is in your Mercedes-Benz Citan?

The Citan has had 2 sets of radios since 2012, from the Renault-built radios and CD players with Mercedes part numbers to the Mercedes Audio radios and screens. Find yours by year below, but go by the serial: radios get swapped, and the free check reads it for you.

YearsRadiosSerialCode
2012–2021Citan with a Renault-built radio Renault-built radios and CD players with Mercedes part numbers Hold 1 and 6: a letter and 3 numbers, or read it on the label Instant
2012–2021Citan with a Mercedes Audio radio Mercedes Audio radios and screens No precode: the code is linked to the van Not available

How to find your Mercedes-Benz Citan radio serial number

Quickest way

On the screen

  1. Switch the radio on.
  2. Hold buttons 1 and 6 together for about 5 seconds.
  3. The screen shows a letter and 3 numbers (like A123). That is your precode.
  4. Nothing shows? Check the separate screen on top of the dashboard, or look for "PRE CODE" on the radio’s label.
DISPLAY~~~~~~~~~~~~~~~~!!!!!!A123!!!!!!123456BUTTONS 1–6
Hold the lit buttons with the radio on.
If the screen shows nothing

On the label

The serial is also printed on a label on the top or side of the radio. It comes out with a pair of radio removal keys. Which keys, and where they go: how to remove a car radio.

Photograph the label rather than copying it by hand — 0 and O, 1 and I are easy to mix up.

RADIOPush both keys in until they click, then pull the radio forward

Tips for your Mercedes-Benz Citan

  • Hold buttons 1 and 6 for about five seconds. On a few radios it is 2 and 6.
  • A Renault label on a Mercedes radio is normal — the Citan is built on the Kangoo.
  • If the screen says the radio is locked and tells you to contact a dealer, it is tied to the van and there is no precode.

How to enter your Mercedes-Benz Citan radio code

DISPLAY~~~~~~~~~~~~~~~~!!!!!!0000!!!!!!123456BUTTONS 1–6
Press button 1 twice for 2, button 2 five times for 5, button 3 eight times for 8, button 4 four times for 4, then hold button 6 for about 5 seconds to confirm.

Renault precode

  1. Use buttons 1, 2, 3 and 4 to set each number.
  2. Hold button 6 for about 5 seconds until the radio beeps.

If your Mercedes-Benz Citan radio says LOCKED, WAIT or SAFE

RadioWhat to do
Renault precodeWAIT or ERROR — leave the radio on for 30–60 minutes and try again.

What LOCKED, WAIT and SAFE mean, and how long to wait →

Mercedes-Benz Citan radio code questions

Why is there a Renault label on my Citan radio?

Because the Citan is a Renault Kangoo with Mercedes badges, and the radio came from Renault.

Can a Mercedes dealer give me the code?

Usually yes, against the van’s number. Our free check is quicker if you have the precode.

Where is the precode if the screen won’t show it?

On the label on the radio case, next to the word SECURITY.

Can you do every Mercedes-Benz Citan radio?

For 2012–2021, yes: the code appears on screen as soon as you have paid; for 2012–2021, not at the moment. The free check tells you which yours is before you pay.

Which radio does my Mercedes-Benz Citan have?

It depends on the year. 2012–2021 (Citan with a Renault-built radio): Renault-built radios and CD players with Mercedes part numbers. 2012–2021 (Citan with a Mercedes Audio radio): Mercedes Audio radios and screens. Radios were often swapped, so the serial on yours is what counts.

What does the serial look like on a Mercedes-Benz Citan?

Hold 1 and 6: a letter and 3 numbers, or read it on the label. For example A123.

Do I have to take the radio out of my Mercedes-Benz Citan?

Usually not: with the radio on, hold 1 and 6 and the serial shows on the screen.

How do I enter the code on a Mercedes-Benz Citan?

Presets 1 to 4 set each digit. Hold preset 6 for about five seconds to confirm.

Another Mercedes-Benz?

Every Mercedes-Benz radio we can unlock is on our Mercedes-Benz radio code page.

Updated October 2026