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How to Permanently Disable Lane Assist on the Mercedes GLA MBUX

Model: Mercedes Gla MK 2, H247 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Onboard computer

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Video tutorial

In this video, learn how to disable lane assist on the Mercedes GLA MBUX so it doesn't reactivate every time you start the vehicle. The lane assist on this car is particularly intrusive.

It's excellent for keeping the driver's attention on the road during long night journeys or when feeling particularly tired, but it can be quite annoying in normal driving conditions. If you brush against the lane markings, it can abruptly brake, which can be very dangerous.

You can deactivate it via settings/quick access/lane departure warning by switching it to off, but it will reactivate when you restart the car. To change the setting permanently, go to assistance/lane departure system: you can adjust it to "standard" instead of "sensitive" as set by default.

If you need to make a long night journey, you can switch it back to "sensitive" for added safety.


Updated on 10 August 2026 by ScegliAuto


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by ScegliAuto

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