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To connect a phone to Mercedes-Benz Bluetooth, turn on Bluetooth on the phone, open the vehicle’s Phone or device-connection menu, search for the phone, select it, and confirm the matching pairing code on both screens. Menu names differ by model, year, and infotainment system, so treat the steps below as a model-specific example rather than a universal path.

Pair a phone with Mercedes-Benz Bluetooth

These steps follow the 2023 CLA Coupe MBUX operator’s manual. Your Mercedes may use different screen labels or menu placement; use the matching owner’s manual if the options do not appear as described.

  1. Turn on Bluetooth on your phone.

  2. On the vehicle display, open Home, then Phone. In the cited CLA quick-start instructions, Bluetooth can be activated under Settings → System → Internet and Bluetooth.

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  3. Open the device search or connection controls and choose Connect New Device.

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    Yoper Bluetooth Adapter for Mercedes Benz MMI Interface
    • Mercedes-Benz MMI Interface Compatibility: Insert the plug into the MMI port (rectangular socket hole, not iPod pin plug or HIM port), activate AUX mode in the MMI system, and pair with your Android, iPhone, iPad or iPod touch via Bluetooth to play music (MMI socket usually located in the glove box)
    • Bluetooth 5.0 Technology: Features Bluetooth 5.0 version with hands-free function for enhanced connectivity and audio streaming
    • Important Usage Limitations: This bluetooth adapter does not support simultaneous charging via USB and music streaming, does not include volume control unit button, does not support changing songs from the iDrive system or steering wheel, playlist will not be displayed on the car screen, and some cell phones may need software updates for compatibility
    • Compatible Vehicle Models: Works with Mercedes-Benz A-Class W169 C169, B-Class W246 W245, C-Class W204 S204 C204, E-Class A207 S212 V212 W212 W211, S-Class C207, M-Class W166, G-Class G463, CLS-Class C218 C219, GLK-Class X204, SL-Class R230, SLK-Class R171 C639 NCV2 Vito (Not compatible with 2009 or earlier models of C300, E320, E350 with iPod iPhone 30 Pin plug connector and HIM interface)
    • Auto-Connect Feature: Bluetooth kit includes automatic connection to previously recorded devices with stable sound quality and superior transmission compared to FM channel bluetooth transmission products
  4. Select your phone from the list of discovered devices.

  5. Compare the code shown on the vehicle display with the code on your phone. Confirm the pairing on the phone only if the codes match.

The sequence is documented for the 2023 CLA Coupe with MBUX, not for every Mercedes-Benz model or year. See the 2023 CLA Coupe operator’s manual or consult the manual for your specific vehicle if your menu labels differ.

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Drimfly MMI AUX Bluetooth Adapter Cable for Mercedes Benz Media Interface
  • IMPORTANT NOTES *** The item fit any Mercedes-Benz that is equipped with media interface port in the glove box or under the center console.Please Confirm your Mercedes have MMI Interface like picture show, it is a Rectangular Socket hole, not is a iPod / wedge plug.
  • Let the Fun Begin :Listen to content from your Bluetooth capable device over your car's stereo system using the Bluetooth adapter.Works with any Apple, Android or any other Bluetooth capable device including iPhone xs and Samsung Galaxy 9.
  • High-Quality Design :Bluetooth Music Streaming for Mercedes Media Interface.Built-in Bluetooth 4.0 with EDR and AptX module for premium sound quality
  • Plug and Play :Activate the AUX mode in the MMI system and connect your smartphone with this bluetooth adapter, then you can listen music via the car stereo.The bluetooth adapter will automatically connect to your smartphone when the car is started.Simultaneous connection with two smartphones is supported
  • For Bluetooth mode,you can only change songs from the smartphone, no control over music from the MMI system.The playlist will not be displayed on the screen.Play USB flash musics via MMI system,Displays song info and control tracks via MMI system

Bluetooth pairing or Android Auto?

Bluetooth pairing connects the phone to the vehicle for functions such as calls and media. Android Auto is a separate smartphone-integration mode that brings supported phone apps to the vehicle’s multimedia display; its setup is not the same as basic Bluetooth pairing.

For wired Android Auto, the 2025 CLA Saloon owner’s manual specifies connecting a suitable cable to a multimedia-system USB port. That cable instruction applies to wired Android Auto, not ordinary Bluetooth pairing. Options and connection methods can vary by vehicle. See the 2025 CLA Saloon owner’s manual.

What to check if the phone does not appear

If these checks do not match the screens in your vehicle, look up the model- and year-specific instructions rather than assuming another Mercedes system uses the same menus.

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Ask the MBUX voice assistant for help

Mercedes-Benz Group says the MBUX voice assistant can explain vehicle functions, including how to connect a smartphone by Bluetooth. If your vehicle has a compatible MBUX system, you can try asking it for pairing guidance; this feature is not established for every Mercedes-Benz vehicle. Learn about MBUX from Mercedes-Benz Group.

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