The Embassy RV SXL is a Mercedes-Benz Sprinter-based Class B RV. No wood components used, so you won't find any. Embassy uses marine-grade composite materials as well as aluminum cabinet frames and a one piece- marine grade composite fiberglass sub floor to serve as the foundation of quality. Embassy RVs are known for their lithium-ion battery systems, which can power the RV's electrical features for extended periods. 

Here's a more detailed look at the Embassy RV SXL specifications, focusing on the 2019 model year:

Chassis and Construction:

• Built on a Mercedes-Benz Sprinter 170 EXT 4x4 chassis.
• 3.0 Turbo diesel engine
• Custom composite body.
• 5 1/2" composite roof with an arched exterior.
• Composite sub floor
• No roof penetrations for vents.
• Insulation: 8 Layers of specialized aircraft insulation that does not absorb moisture or odors.

Interior Features:

• Sleeping: Typically sleeps 4, with a 56" x 72" telescoping front sofa/bed and a 7' x 6' 4" rear U-shaped bedroom. 
• Seating: Seats 4 comfortably. 
• Bathroom: Features a custom shower with two drains and a dry-flush toilet by Laveo. 
• Kitchen: Includes a large kitchen area with expandable solid surface Corian countertops, a 12V refrigerator/freezer, and a convection microwave. 
• Entertainment: 32" hide-away HDTV, Sony Blu-ray player, and HDMI connections for gaming. 
• Lighting: Dimmable LED ceiling, porch, reading, and vanity lights. 
• Storage: Overhead storage cabinets, linen closet with soft-close drawers, and a wardrobe with a closet rod. 
• Composite Cabinets: Lightweight and extremely durable marine-grade composite panels mounted on aluminum framework.
• Bed: Convertible queen size bed merging sofa system
• Light: All dimmable (ceiling,porch,reading and vanity) LED lights

Systems and Technology:

• Power: Powerful lithium-ion battery system with a high-capacity alternator.
• Inverter/Charger: 3000W/6000W peak inverter/charger.
• Water: 23.5-gallon fresh water tank with whole unit water filter and Ozone water purifier
• Heating: Hydronic heating system.
• Venting: Embassy's custom 12v 4-vent system. 
• Refrigerator: 12 volt 6.8cf Refrigerator/freezer combo
• Entertainment: Large 32" Samsung power hide away HDTV features Sony blue-ray and JBL Stereo
• Heat: Hydronic heat
• Air Conditioner:  20,000 BTU 12volt Roof mount Air Conditioner
• Battery: 600ah UL Lithium Ion Battery with 220 amp Alternator