2025 Grech RV TERRENO-ion AWD Tour Plan Grey White

About the TERRENO-ion AWD

Terreno-ion, our versatile Sprinter Motorhome, is the perfect complement to the Mercedes-Benz marque. The Terreno exemplifies what a luxury Class B motorhome should be with remarkable quality, craftsmanship and attention to detail never before seen in the Class B motorhome world. Adding our lithium-ion battery energy storage system to the Terreno provides clean and quiet lithium-ion-based energy that will power your entire Mercedes-Benz Class B Motorhome and give you peace of mind for your journey ahead. The luxurious amenities and functional features elevate your motorhome experience. Terreno-ion has the highest level of standard equipment in its class. It is built on the Mercedes-Benz Sprinter 3500XD 170” (non-extended) High Roof with a 4-cylinder Diesel engine.

Terreno-ion RV

Built on the Mercedes-Benz Sprinter 3500 170” (non extended), our Terreno Sprinter RV will raise the bar in the Class B market. The Grech-RV product line offers a return to hand-crafted coach-building with remarkable craftsmanship, unparalleled fit & finish, and attention to detail that sets a new standard of quality.

Manufacturing Process

Let us take you on a journey through the process of manufacturing at Grech RV!

We are committed to excellence through engineering on our entire motorhome line. Our renowned craftsmanship provides the industry’s highest quality Class B motorhome. The outcome of our uncompromising efforts is a product of beauty, reliability and longevity that will retain its value for many years to come. Our 165,000 square foot, state-of-the-art facility has production lines that are modeled after the most streamlined and efficient in the world, which provides consistency in the quality of every motorhome produced.

Features May Include:

Lithium-ion based energy:

• Our Lithium-ion battery system in our motorhomes replaces the Cummins Onan propane generator and provides clean and quiet lithium-ion based energy that will power your entire motorhome. This is the most advanced energy storage system available in the camper van world. Our Lithionics batteries are the only UL Listed and UL Tested lithium-ion batteries on the market. The system provides a total of 1,260AH (Amp Hours) / 16,128WH (Watt Hours), this system will run the motorhome AC for up to 12 hours on battery power alone.
• The integrated battery management software pairs perfectly with our Firefly Integrations control system. With a 250 AMP high-output auxiliary alternator and Wakespeed Regulator, your lithium-ion batteries will recharge from idle whenever your Mercedes-Benz Sprinter is running. With the 3,000-watt Xantrax Inverter and up to 300-watt solar system, you will have peace of mind knowing that your lithium-ion batteries will stay charged for the journey ahead.

Air Suspension:

• Air suspension is standard on every Strada and Terreno motorhome. We have sourced the best air suspension system available for the Sprinter to provide the smoothest, most luxurious possible ride for your motorhome. Our air suspension systems feature an intelligent, electrically controlled auto leveling system for the ultimate ride stability.

Timberline System:

• Timberline diesel fuel fired heating system is standard on all Grech RV models. This system takes the luxuries of home to the outdoors with continuous flow hot water and heat fueled by the Sprinter diesel fuel all in a quiet, clean and efficient compact package. Timberline is specifically designed for Class B motorhomes.

Interior:

• UltraLeather Seating Surfaces
• Hardwood Cabinets w/ Radius Doors
• European Veneers
• Memory Foam Power Sofa Bed
• Solid Surface Countertop
• Table with mount system
• Wet Bath w/ window, sink and porcelain toilet w/ macerator
• LED Accent Lighting Throughout
• 250 Watt Solar Power System
• Timberline Diesel Fuel Fired Hot Water and Heating System
• FireFly Integrations Control System
• Induction cooktop
• 24" LED TV w/ Apple TV
• Premium Soundbar
• Soft Touch Walls
• Fully Insulated
• Vinyl Woven Flooring
• Subfloor is 3/4” Insulation Board and 3/4” Honeycomb Composite.
• Automotion Power Window Shades
• Lithionics - Generator Replacement Lithium Battery System
• 3,000 Watt Xantrax Inverter
• Patio Screen Door
• Integrated Power Managment System
• Apple and Android App Capable

Exterior:

• Custom Fiberglass Body Kit
• Concealed Stainless Steel Utility Center
• Power Awning w/ Wind Sensor
• Power Entry Step
• Alloy Wheels
• Air Suspension