locked keys inside mercedes

Locked Keys Inside Mercedes-Benz

If you locked the keys inside your Mercedes-Benz or in the trunk, don’t panic. Many of us have been in that situation; we don’t like to talk about it.

Here you will learn how to get inside any Mercedes-Benz if you locked the keys inside the vehicle or in the trunk/boot.

Here are what you can do if you locked the keys in a Mercedes-Benz or inside the trunk, boot:

  • Call a locksmith or unlock the driver’s door using a coat hanger.
  • Order Emergency Key from Mercedes-Benz dealer.
  • If you have to, go for the small triangular window in the rear door

If the key is locked in the trunk and the car battery is dead, you should still unlock the driver’s door, then power up the vehicle using the jump start terminals in the engine bay and open the trunk using the trunk release button.


Call a Locksmith

call a locksmith

The safest way to get the key out of the car is to call a locksmith. Every town has a locksmith; in most cases, they can get your Mercedes-Benz unlocked in 30 minutes.

Click here to find a locksmith near your location. A locksmith uses Emergency Door Unlock Kit to unlock the driver’s door. Of course, you can try to pull the door lock with a coat hanger; be careful not to scratch the vehicle.

A locksmith will use a wedge or airbag and insert it at the top right corner of the driver’s door. Then use a tool to unlock the driver’s door or press the unlock button. If you try this yourself, be careful not to scratch the car.

Order Emergency Key


If the car is parked at a safe location and you don’t need to use it for a few days, we recommend ordering an emergency key from the dealer. The emergency key is the metal blade that goes inside the key fob. You can use the emergency key to unlock the driver’s door or the trunk.

In most cases, the emergency key costs around $100, but that is a lot cheaper than buying a new key or getting a car locksmith to come out. Call the dealership and ask if it is possible to order just the mechanical key without towing the vehicle to the dealership. If you have a relationship with a Mercedes-Benz service advisor, they can request the emergency by providing proof of ownership, such as a vehicle title.

Rear Window?


There may be a time when you are stranded far away from home, and none of these options are feasible. The only solution, in this case, maybe to break one of the windows. We do not recommend this route because it can be dangerous, and you can get cut.

Don’t just break the driver’s or passenger’s door glass, especially if you have to drive for hours. Driving for hours with a broken driver’s window will not be comfortable.

If you break the small triangular window, you will not notice as much road and wind noise. The triangular glass on the rear doors can be purchased from the dealer or a wrecking yard.

Spare Key

If you have a spare key at home, it’s time to pick it up and use it to unlock the car. It will work even if one key is locked inside the vehicle.

We hope you find the Locked Keys Inside Mercedes-Benz guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.


  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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