If you want to perform maintenance to your MZ Charly Electroroller then it will always be a good idea to have a Workshop Manual to keep just for reference in case you need to know ways to strip off a certain part for example, the Dashboard and fit it again accurately.
MZ Charly Electroroller Workshop Manuals offer you specified diagnostic information with regards to your car so if something is playing up it can help you work out what the issue is and tips on how to fix it. You will be able to evaluate if you can do this on your own or in case the job is simply too big you can actually make a reservation for your Charly Electroroller in to a decent car garage.
MZ Charly Electroroller manual