Connect your phone to Mercedes Bluetooth in three steps

To play music from your phone through your Mercedes speakers, you need to pair your phone with the car's Bluetooth system once, then connect it each time you drive. The pairing happens in your car's infotainment screen — the touchscreen in your dashboard — and takes about two minutes. After that, your phone will reconnect automatically when you get in the car, as long as Bluetooth is turned on.

The exact steps depend on whether your Mercedes has the older COMAND system or the newer MBUX system, but both follow the same basic path: turn on Bluetooth in your phone, go to the car's Bluetooth settings, search for your phone, confirm the pairing code, and you're done. Once paired, you can play music through any app — Spotify, Apple Music, YouTube Music, or your phone's built-in music player — and control it from your steering wheel or the infotainment screen.

Key Takeaways

  • Pairing your phone happens once in your car's infotainment screen and takes about two minutes; after that, your phone reconnects automatically each time you drive.
  • Your Mercedes must have Bluetooth turned on in the settings menu, and your phone must have Bluetooth turned on in its own settings.
  • The pairing process is slightly different on older COMAND systems versus newer MBUX systems, but both use the same general approach.
  • Once paired, you can play music from any app and control playback from your steering wheel buttons or the infotainment screen.
  • If your phone won't connect, restart Bluetooth on both devices and delete the old pairing from your car's settings, then pair again.

Pairing on a newer Mercedes with MBUX

If your Mercedes has the MBUX system — the newer touchscreen interface found in 2019 and later models — follow these steps to pair your phone for the first time.

Step 1: Turn on Bluetooth in your phone. Open your phone's settings, find Bluetooth, and turn it on. Your phone will start searching for nearby Bluetooth devices. Leave this screen open or go back to your home screen — your phone will keep searching in the background.

Step 2: Open the Mercedes infotainment menu. On your dashboard touchscreen, tap the menu icon (usually three horizontal lines in the top left corner) and look for "Settings" or a gear icon. Tap it, then find "Bluetooth" or "Connections" — the exact wording varies by model year, but it will be in the settings area.

Step 3: Start the pairing process in your car. In the Bluetooth settings menu, look for an option that says "Add Device," "Pair Device," or "Search for Devices." Tap it. Your Mercedes will now search for your phone and display it on the screen once it finds it.

Step 4: Confirm the pairing on both devices. When your phone appears on the Mercedes screen, tap it to select it. Your phone will show a pairing code on its screen at the same time the Mercedes shows a code on the dashboard. Both codes should match. Confirm on both devices that you want to pair them. Your phone is now connected to your Mercedes Bluetooth.

Pairing on an older Mercedes with COMAND

Older Mercedes models with the COMAND system — typically 2009 to 2018 — use a slightly different menu structure, but the pairing process is the same.

Step 1: Turn on Bluetooth in your phone. Open your phone's settings, find Bluetooth, and turn it on. Leave Bluetooth searching in the background.

Step 2: Access the COMAND Bluetooth menu. Press the "COMAND" button on your dashboard (usually on the steering wheel or center console), then navigate to "Telephone" or "Phone" using the dial or arrow buttons. Look for "Bluetooth" or "Connect Device" in that menu.

Step 3: Start searching for your phone. Select "Search for Devices" or "Add Device." The COMAND system will begin searching for nearby phones. This can take 30 seconds to a minute.

Step 4: Confirm the pairing. When your phone appears in the list, select it using the COMAND dial or buttons. A four-digit code will appear on both your phone and the COMAND screen. Confirm that the codes match, then press "Yes" or "OK" on both devices to complete the pairing.

Playing music after your phone is paired

Once your phone is paired, you can play music through your car's speakers in several ways. The simplest is to open your music app on your phone — Spotify, Apple Music, YouTube Music, or whatever you use — and press play. The audio will come through your car speakers instead of your phone speaker.

You can also control the music from your steering wheel. Most Mercedes have buttons on the steering wheel for volume up, volume down, next track, and previous track. These buttons work with any music app once your phone is connected. Some newer models also let you control music from the infotainment screen itself — you can see the song title, artist, and album art on the dashboard display.

If you want to switch between music and phone calls, your Mercedes will automatically pause music when a call comes in and resume it when the call ends. You can also manually switch between audio sources using the infotainment menu if you want to listen to the radio or a different input instead.

Reconnecting your phone each time you drive

After the first pairing, your phone should reconnect automatically every time you get in the car. This happens as long as both your phone's Bluetooth and your car's Bluetooth are turned on. You don't need to do anything — just get in, start the car, and within a few seconds your phone will connect and you can start playing music.

If your phone doesn't reconnect automatically, check that Bluetooth is turned on in both your phone's settings and your car's settings. Sometimes Bluetooth gets turned off accidentally, especially if you've been using your phone with other devices like headphones or speakers. Turn Bluetooth back on in both places and try again.

If your phone still won't connect, you may need to "forget" the old pairing and pair again from scratch. In your car's Bluetooth settings, find your phone in the list of paired devices and select "Remove," "Delete," or "Forget." Then follow the pairing steps again. This usually fixes connection problems that happen after several months of use.

What to do if your phone won't pair or connect

The most common reason a phone won't pair is that Bluetooth is turned off on one of the devices. Check your phone's settings and your car's settings to make sure Bluetooth is on in both places. If it is, restart Bluetooth on your phone by turning it off and back on, then try pairing again.

If restarting Bluetooth doesn't work, try restarting your phone completely. Power it off, wait 10 seconds, and turn it back on. Then turn on Bluetooth and try to pair with your Mercedes again. This fixes most pairing problems.

If you've paired before and your phone used to connect but now won't, delete the old pairing from your car's Bluetooth settings and pair again from scratch. Over time, old pairing data can become corrupted, especially if you've paired multiple phones to the same car. Deleting and re-pairing usually solves this.

If none of these steps work, check that your phone's Bluetooth is compatible with your Mercedes model. Very old phones or phones with outdated Bluetooth versions sometimes won't pair with newer cars. You can check your phone's Bluetooth version in its settings — most phones made in the last five years will work with any Mercedes.

Using multiple phones with one Mercedes

You can pair more than one phone to your Mercedes, which is useful if multiple people drive the car or if you have both a personal phone and a work phone. Each phone pairs separately, and your car will remember all of them.

When you get in the car with a different phone, your Mercedes may automatically connect to whichever phone it paired with most recently, or it may ask you which phone you want to use. If it connects to the wrong phone, go to your car's Bluetooth settings and manually select the phone you want to use. After you do this a few times, your car will learn which phone you usually use and connect to it automatically.

If you want to remove a phone from your car's paired devices — for example, if you sell the car or give your old phone away — go to your car's Bluetooth settings, find that phone in the list, and select "Remove" or "Delete." This prevents the car from trying to connect to a phone you no longer have.

Frequently Asked Questions

Can I play music from my phone without pairing it to Bluetooth?

Yes, but you'll need a cable. Older Mercedes models have a USB port or a 3.5mm aux jack where you can plug in your phone directly. Newer models with MBUX may have USB-C. Plug your phone in, and the car will usually recognize it automatically and let you play music through the infotainment screen. Bluetooth is wireless and more convenient, but a cable works if Bluetooth isn't available.

Why does my Mercedes keep disconnecting from my phone?

This usually happens if Bluetooth is turning off on your phone or if your phone is connecting to another Bluetooth device at the same time. Check that your phone isn't paired to headphones, a smartwatch, or a speaker that might be interfering. Also make sure your phone's Bluetooth doesn't have a timeout setting that turns it off after a period of inactivity. If disconnections keep happening, delete the pairing and pair again from scratch.

Can I use Bluetooth to play music if my Mercedes doesn't have a touchscreen?

Yes. Even older Mercedes models with just a radio and no infotainment screen usually have Bluetooth built in. You'll access the Bluetooth settings through the COMAND system or the radio menu using buttons and dials instead of a touchscreen. The pairing process is the same — you just navigate using physical buttons instead of tapping a screen.

Will my phone's battery drain faster if I use Bluetooth in my car?

Bluetooth uses very little battery power — much less than playing music through your phone's speaker or using GPS. You may notice a tiny difference in battery life if you drive for hours every day with Bluetooth on, but for most people it's not noticeable. Your phone's battery will drain much faster from the screen being on or from using data.

What if I want to use Apple CarPlay or Android Auto instead of Bluetooth?

Newer Mercedes models with MBUX support both Apple CarPlay and Android Auto, which give you a different interface for controlling music and navigation. These require a USB cable to connect, not Bluetooth. If your Mercedes has CarPlay or Android Auto, you can choose to use that instead of Bluetooth — it gives you more control and a larger screen for your music app. Check your car's manual to see if your model supports it.