Video shows the process of manual update of the navigation system in Mercedes - COMAND online.

Step 1: login to Mercedes Me account and ensure the car is linked to the account
Step 2: choose online map update option and install Mercedes Download manager
Step 3a: prepare the USB memory stick - it should be empty and formatted to NTFS or exFAT
Step 3b: ensure the computer has sufficient space as the maps would initially be downloaded to a local drive and then transferred to the USB memory stick
Step 4: select the maps and start the download process. It takes approximately 2 hours for 28 GB data of maps
Step 5: once the process is complete, insert the USB memory stick to slot 0 in the car (located in the centre console) and begin the installation process following system prompts
Step 6: the process may take approximately 1.5 hours and the engine can be started, stopped, the car can be driven during this time, the critical part is to prevent the entertainment system going into the sleep mode
Upon completion restart the system following its prompts.

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