Mercedes Benz has been around for over a century. Although not the best-selling car, the brand is famous for its durability, smooth handling, and reliability. One prominent feature of Mercedes Benz cars is their auto-lock property, also known as the Mercedes Benz Car Lock. This security feature ensures that the vehicle stays locked at certain times and under specific circumstances, providing added peace of mind for owners.

With a Mercedes Benz, you can say goodbye to rustling with your car keys to lock and unlock your door. Here are four fascinating facts about the Mercedes Benz car lock that you probably didn’t know.

1. Mercedes Benz Cars Will Automatically Lock When They Exceed 9mph

A Mercedes Benz car lock feature ensures that the vehicle automatically locks when it travels above 9mph (15km/h), even when towing another vehicle. Therefore, the owner should always keep the key fob close to avoid being locked out.

2. Mercedes Benz Cars Have a Walk Away Lock Feature

A Mercedes Benz car lock will automatically engage when the owner, carrying the key fob, moves 10 feet away from the vehicle. Similarly, the vehicle will unlock when the key fob is within 10 feet of it.

If the owner forgets a spare key inside the car, the car will not lock even if the owner is as far away from the car as possible because the car sensor still detects a key in the vehicle.

3. Mercedes Benz Car Lock When on Speed 

Mercedes Benz car lock when the vehicle is at speed. This safety measure ensures that no one falls out of the car when it’s in motion. 

4. You Can Lock Your Mercedes Benz from an App

Sounds interesting? Well, it’s true. With the Mercedes Me app, you can lock and unlock your Mercedes Benz car lock from your phone.

Here’s how to do this:

• Download the app from Google Play or Apple Store.
• Sync your device with the car.
• Open the app and select the “LOCK STATUS.” It will show you the doors that are locked or not.
• Change the settings on your phone to either lock or unlock the car. You can activate this using your password or a face ID.

FAQs on Mercedes Benz Car Locking Feature

Can I Manually Lock and Unlock My Mercedes Benz Car If My Smart Key is Faulty?

You can manually lock and unlock your Mercedes Benz car if you have a faulty Smart Key. Here’s what to do:

• Open the driver’s door and ensure all other doors are locked. You can do this manually by pressing the lock button on each door.
• Shut the driver’s door.
• Get the manual key out of the key fob.
• Insert it into the car’s door hole as deep as possible.
• Turn the key anticlockwise, then turn it back again.
• Test the handle to see if it’s locked.
• To unlock it, insert the key and turn anticlockwise.

Is the Auto-Lock Feature of a Mercedes Benz Car Important?

The Mercedes Benz car lock auto-lock feature is essential for several reasons. First, it’s convenient and saves you the time you would have used to lock the door manually.

Second, it protects your car against car theft. A person may be in a hurry to meet up for an appointment and forget to lock their vehicle. The auto-lock locks the vehicle once it no longer senses the key fob close enough to the car.

Third, it prevents the people in a car from flying out of the car and sustaining more injury in the wake of an accident, as it locks the doors automatically when an ignited car moves beyond 9mph. However, you can enable or disable the auto-lock feature whenever you want.

How Can I Disable the Auto-lock Feature of My Mercedes Benz?

You can disable the auto-lock feature directly or use the key fob. 

Here’s how to disable the auto-lock feature using the key fob:

• Insert the key into the ignition and turn it on.
• Press the unlock button three times and turn off the ignition.
• While the ignition is off, press the unlock button three times.
• Turn on the ignition again.
• It goes into programming mode and beeps twice to inform you.
• Press the unlock and lock buttons one after the other. The car will respond with a beep to inform you of the successful deactivation of the auto-lock.

Here’s how to disable the auto-lock feature of your Mercedes Benz:

• Insert the key into the ignition and turn it on.
• Go to settings.
• Move to VEHICLE by pressing the VOLUME + or – button.
• Navigate through to the AUTOMATIC LOCK using the up or down button.
• You’ll see ON and OFF. Press the + or – of the VOLUME button to choose OFF.

Do Mercedes Benz Car Lock and Unlock on Their Own?

Mercedes Benz car lock issues can occur when the car locks and unlocks independently without the owner’s control, which should not happen unless there’s a problem with the actuator, latch, or sensor. A fault with these parts can cause the car to receive incorrect signals, leading to the vehicle locking and unlocking unexpectedly.

Other potential causes of this abnormal behavior include a burnt fuse, faulty battery, failing key fob, dust accumulation, broken solenoid, and failed electrical grounding wires.

How to reset your Mercedes Benz Key

Mercedes Benz keys are peculiar to each vehicle. So, you cannot use your key in another Mercedes Benz car. If you have a new key for any reason, you will need to configure it in order for it to work on your vehicle. 

Here’s how to reset your key

• Insert your key into the ignition without turning it on.
• Place one finger on the “LOCK” button on your key fob while still in the ignition.
• Remove the key from the ignition while holding the lock button.
• The key reset process will begin. Keep holding it till the process is over.
• While still holding the lock button, use another finger to press the unlock button five times.
• Let go of the lock button and test if it works.

Conclusion

Car locking is an essential feature of every vehicle. This article highlights four exciting facts about the Mercedes Benz car lock that you probably didn’t know. Mercedes Benz is a reliable car with an innovative anti-lock feature that protects the vehicle from theft and accidents. 

The anti-lock feature links to your key fob that detects its movement and activates specific actions in different circumstances. If you need help with unlocking or replacing your Mercedes Benz locks in Arizona, we will be glad to help. Reach out to us for reliable automotive locksmith services.