2025 Grand Design Momentum problems, complaints & recalls
Most-reported problem areas: Suspension:rear:springs:leaf Spring Assembly:hanger/Bracket (1) · Structure:body (1) · Service Brakes (1)
🧭 Reliability snapshot
Compared against other Grand Design Momentum model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Structure:body:step/Ladder 2025-05-06 · campaign 25V281000 · 121 vehicles
Defect: Grand Design RV, LLC (Grand Design) is recalling certain 2024-2025 Momentum 320G, 325G, 344M, 250G, 351MS, 381MS, 392M, 395MS, 397THS, 398M, 399TH, 410TH, 414M, and 415G toy haulers, equipped with a removable step assembly. The clip-on bracket mounting bolts may come loose, allowing the steps to detach.
Risk: Steps that detach while in use increase the risk of injury.
Fix: Dealers will inspect the clip-on bracket and make repairs as necessary, free of charge. Owner notification letters were mailed May 15, 2025. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910050.
Structure:body:step/Ladder 2024-12-10 · campaign 24V916000 · 508 vehicles
Defect: Grand Design RV, LLC (Grand Design) is recalling certain 2023-2025 Momentum fifth wheel trailers. The interior step base does not adequately support the step tread.
Risk: The tread may detach from the step, increasing the risk of a trip and fall injury.
Fix: Dealers will replace the step riser and step treads, free of charge. Owner notification letters were mailed January 16, 2025. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910047.
Service bulletins (1)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-06-26 · 26-002 · Service Bulletin/Repair Instructions
momentum travel trailer bed lift bracket may be installed upside down preventing the bed from lowering from the transit position to the bed position.
What owners report
2026-10-25 · Structure:body“the roofing material behind the front cap on the rv separated from the wooden roof and tore into large sections that could have detached and caused an accident. the material had to be quickly removed and a temporary mitigation put in place to prevent further damage to the rv as well as to mitigate risk to other drivers while in motion. photos are a…”
2026-04-16 · Suspension:rear:springs:leaf Spring Assembly:hanger/Bracket“in early november 2025, while towing our 2024 grand design momentum 344m m-class fifth wheel toy hauler to a family thanksgiving gathering, the rearmost driver-side leaf spring fractured and failed during travel. the trailer was towed by a 2024 ram 3500 dually, properly rated for this unit, operated within all load ratings, and driven at normal cau…”
2025-07-03 · Service Brakes · 🔥 fire“sudden loss of trailer brakes nearly caused me to rear end vehicle in front of me. the more concerning part is when i went to an rv dealer to disgnose, they pulled the break away emergency brake to test if brakes applied. they did not apply, however about 1 minute after the breakway was pulled the switch began to melt, then almost immediately …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.