Originally Posted by Bud
A Roadtrek Etrek in that regard is worse than average I would think.
A Roadtrek E-Trek is different and needs to be understood and used appropriately. If this is done I would question that it is worse than average.
Six years ago I purchased one as a first time RV owner totally clueless regarding the upkeep. Since then I have learned quite a bit and am still a happy owner of the E-Trek.
The reasons that the E-Trek works for me is that the floorplan is a nice combination of people hauler / travel van / occasional live in camper, I never wanted to mess with propane tanks and related furnace maintenance, and I never wanted to mess with a generator and related maintenance. In exchange I have had to understand and live within the limitations of an AGM battery bank and auxiliary alternator. Search furnace issues and generator issues and I suspect one gets a long list. I am happy to not be a member of any of those lists.
The two biggest issues with the E-Trek is that the builder grossly oversold the battery capabilities and was secretive about the issues and that Mercedes had significant exhaust system issues when their new DEF exhaust system came out.
A new RV buyer needs to understand that every RV is a tiny house on wheels. You will have all of the annual maintenance issues of servicing a set of wheels, with the complication that not all service locations are equipped to service an RV build, and all of the annual maintenance issues of servicing a house, with the complication that there are fewer building codes which RV manufacturers need to follow and so builds are more shoddy and you can't call a 24 hour emergency plumber / electrician / etc.
In addition; you are the municipal electric, water, gas and sewer company for your RV and need to provide these services responsibly.
Understanding and taking care of the E-Trek battery system is a nit compared to these other issues if your use falls within the constraints.
Probably the most trouble free ownership is a unit which is new, under warranty, and sold in enough volume that dealers are familiar with servicing it. If you have something other than these you either have to pay someone to do the work or learn to do some of it yourself.
If you have a low volume or older unit and take it to a service location they likely won't be familiar with the unique blend of parts used for your build.
These issues are the dark side of the shiny coin a dealer will show you. Unfortunately the dark side of the coin is something one needs to find out for oneself. Everyone likes to talk about artificial intelligence but nobody talks much about artificial stupidity.