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2015 Airstream Interstate 3500 Lounge EXT – Premium Class B Motorhome with Modern Upgrades
The Ultimate Luxury Touring Coach – Ready for Adventure
This 2015 Airstream Interstate 3500 Lounge EXT represents the pinnacle of Class B motorhome engineering, blending Mercedes-Benz Sprinter reliability with Airstream’s legendary craftsmanship. Meticulously maintained with all services performed by certified technicians, this coach has been thoughtfully upgraded with modern tech and premium systems for comfortable, connected travel.
Key Features & Upgrades
Driving & Safety Technology
✔ Mercedes-Benz Safety Suite:
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Collision Prevention Assist
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Parktronic Rear Parking System
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Blind Spot Monitoring
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Lane Keeping Assist
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High Beam Assist
✔ VB Air Suspension System (Airstream Factory Upgrade): -
Dramatically improves ride quality
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Enhances stability in crosswinds
Premium Entertainment & Connectivity
✔ Alpine Halo iLX-F309 Touchscreen:
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Apple CarPlay Integration
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SiriusXM Satellite Radio Ready
✔ Upgraded Audio System: -
JBL Speakers & Amplifier
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Remote Media Selector
✔ Connectivity Package: -
WeBoost Drive RV Cell/WiFi Booster
Power & Electrical Upgrades (2021+)
✔ 290W Solar Panel Array
✔ Battle Born Lithium Battery System (2x100Ah)
✔ Victron Energy Components:
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Phoenix Inverter
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Smart Battery Monitor
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MPPT Solar Controller
Interior Luxury
✔ Full Leather Interior (excellent condition, no tears)
✔ Airstream Comfort Convenience Package
✔ Spacious Lounge Configuration
✔ Premium Finishes Throughout
Mechanical & Service
✔ 3.0L Turbo Diesel V6
✔ All Maintenance Records Available
✔ Recent Comprehensive Service
Why This Interstate Stands Out
• Unmatched Build Quality – Airstream’s attention to detail
• Cutting-Edge Safety – Mercedes’ advanced driver aids
• Modern Tech Integration – Apple CarPlay & premium audio
• Off-Grid Capability – Solar/lithium power system
• Proven Reliability – Complete service history
Perfect For:
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Couples seeking luxury touring
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Tech-savvy travelers
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Snowbirds
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Music and outdoor enthusiasts
Recent Upgrades Include:
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Full solar/battery system (2021)
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Alpine infotainment system
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WeBoost cellular amplifier
Impeccably Maintained & Ready for Adventure
This turnkey coach comes with all receipts and documentation for:
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Regular maintenance
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Upgrade installations
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System certifications
Experience the Airstream Difference
From its air suspension-enhanced ride to its whisper-quiet interior, this Interstate delivers an unparalleled travel experience. The lithium/solar system provides true off-grid freedom, while the modern tech upgrades keep you connected wherever you roam.
