4x4 with 3L Turbo Diesel 6 cylinder OM642 engine

Starlink In-Motion permanently mounted on roof. WiFi router in van - use your cell phone over WiFi anywhere in the US/Canada/Mexico (depending on plan).

Lithium Freedom package - batteries charge from alternator or solar panels or shore cord - Xantrex 3000 W inverter.
A/C will run on batteries.

Diesel heat and hot water.

Mercedes cameras and additional "Surround View" Camera system and Dash Monitor.
Mercedes Tire Pressure Monitor System.

Samsung Smart TV (sign up for YouTube TV and watch tv anywhere).
Fusion Radio and Stereo system.