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How to Perform the Road Adaptation for the Mercedes 722.9 Automatic Gearbox

Model: Mercedes Mercedes Various

For the road adaptation of the Mercedes 722.9 automatic gearbox, there are various procedures you can perform independently. The one we will explain today is the cold start. The instructions are also available in your car manual provided at purchase, but if you have lost it, here is our guide. Start by positioning the gear lever, first to the steering wheel position and then to the straight driving position, and keep the vehicle stationary for about 30 seconds using the service brake. You have now completed the road adaptation procedure for your gearbox.

Updated on 28 July 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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