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  1. Mercedes-Benz C-Class: Why is My Key Fob Not Working? - MBWorld

    May 14, 2015 · This article applies to the Mercedes-Benz C-Class w204 (2007-2014). You go to start your car one day, but you get no response from your vehicle. Your first thought might be a dead car …

  2. How to Open 2024 GLE Key Fob for Battery Replacement - Guide

    How do I open the key fob to replace the battery? 2024 GLE 350. Standard. Been getting a prompt to replace it for Mechanic's Assistant chat Customer: How do I open the key fob to replace the battery? …

  3. Boot won't open - FIXED | Mercedes-Benz Forum

    Jan 24, 2025 · The issue was that my boot wouldn't open using key fob, or the boot lever switch inside the car. Tried manually with the key but as per 100's of other people, found it jammed and no use.

  4. remote key won't unlock doors | Mercedes-Benz Forum

    Apr 18, 2010 · Hello All, my w210 remote key wouldn't open the car from 15 meters so i thought the batteries were weak and just replaced it. Upon replacing the batteries, the remote key wont open or …

  5. Key Won’t Lock/Unlock Doors | Mercedes-Benz Forum

    Jul 28, 2020 · I’m brand new to The Mercedes world and forum. I just bought a 2003 SL500 with 40K miles. The central locks work, but the key fob will not lock/unlock the doors or open the trunk. Over 3 …

  6. Key fob battery replaced and now nothing works | Mercedes-Benz Forum

    Jan 7, 2022 · The batteries in the key fob have no connection with starting the car or turning in the ignition. The fob batteries operate the lock/unlock, trunk opening, alarm and panic functions. …

  7. Mercedes Key Won't Unlock Car? Learn How to Open Mercedes Key

    Customer: I can't unlock the doors, and even the blade key isn't working. Mechanic's Assistant: Have you tried replacing the battery in the key fob? Customer: Yes, the red light blinks on the fob. …

  8. Key fob will not open doors, trunk???? | Mercedes-Benz Forum

    Jan 2, 2017 · 1 Place your key in the car's ignition and turn the key two clicks to the "On" position for any Mercedes car. 2 Press and release the lock button on your Mercedes keyless remote. 3 Press and …

  9. Smart Key Fob stops working intermittently | Mercedes-Benz Forum

    Dec 6, 2009 · Hi, I replaced the batteries in my smart key fobs, and now I cannot get into the car intermittently. The remote won't work all the time, the light on the fob lights brightly every time …

  10. Mercedes-Benz E-Class and E-Class AMG: Why is My Key Fob Not

    May 4, 2015 · Mercedes-Benz E-Class and E-Class AMG: Why is My Key Fob Not Working? Forget making a trip to your local Mercedes-Benz dealership for a new key fob. Learn how to diagnose and …