Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How do you reset the message "Pre-safe functions limited" in Mercedes vehicles?

Model: Mercedes Mercedes Various
Part: Checks and maintenance

Video tutorial

The protection system mentioned above manages the deployment of airbags, all based on detecting a certain braking force in case of emergency, as well as intervening in the event of a collision. If we read the message of limited function on the computer, probably due to a temporary error, once it is confirmed that everything is in order, a reset must be carried out. To do this, it is necessary, as explained in the video tutorial here, to connect a diagnostic tool to the car, configure the vehicle model, search for the error and initiate its deletion.


Posted on 28 September 2025 by ScegliAuto


Related tutorials

How does Mercedes' Pre-Safe system work?
How does Mercedes' Pre-Safe system work?
Mercedes Mercedes Various On many Mercedes vehicles, a device called "Pre-Safe" is installed, which constantly monitors driving conditions, such as speed, distance from other …
How does the parking assistance system on Mercedes vehicles work?
How does the parking assistance system on Mercedes vehicles work?
Mercedes Mercedes Various The Mercedes vehicle parking assistance system, when active, supports the driver throughout the maneuver by taking care of steering, braking, speed r…
How the Mercedes Benz Pre-Safe System Works
How the Mercedes Benz Pre-Safe System Works
Mercedes Mercedes Various In this video, you will see how the Pre-Safe system works in Mercedes Benz vehicles, found in the GLE, GLS, and all E-Class models. This system aims …

How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

Watch the video!


by ScegliAuto

More videos