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Advanced Power Plus: An Optional Upgrade with Even More Power

For extended trips, the optional Advanced Power Plus upgrade increases battery capacity to 17.2kWh. This expanded setup supports multi-night off-grid stays and a broader range of energy-intensive use cases. 

Advanced Power Plus is available as a factory-installed upgrade on Atlas, Interstate 24GL, and 24GT models. For Interstate 19GT and 19X, the upgrade can be installed by an authorized Airstream dealer. 

One Fuel Source for Endless Possibilities

For Model Year 2026, Mercedes-Benz touring coaches adopt a single-fuel energy architecture powered by the diesel fuel already in the vehicle’s tank. 

Heating and hot water come from efficient all-in-one comfort systems that deliver consistent interior warmth and on-demand hot water. These systems draw power either from the house battery bank or utilize the fuel in the vehicle’s diesel tank. All other onboard functions — including cooking, air conditioning, and electrical outlets — are fully electric and powered by a high-capacity lithium battery system. This streamlined energy model enhances efficiency, reduces system complexity, and eliminates the need for carrying propane.