AI Damage2018 Coachmen Galleria: common problems
The maker issued 7 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 7
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 5 |
| Equipment | 0 | 0 | 2 |
| Steering | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Wheels. Wheel runout, cracks, signs of a wheel strike.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The battery boost cable is connected to a chassis lug provided by Mercedes
The 12V wiring will be routed to a new lug.
- General 12V and 110V Operational Testing
- As per Mercedes Interim Recall Notice 21V042, one or more of the rear-wheel speed sensors may experience…
As per Mercedes Interim Recall Notice 21V042, one or more of the rear-wheel speed sensors may experience an electrical failure, which potentially could lead to a disablement of the Electronic Stability Control control…
- This installation guide is intended to aid a certified technician in installing a Battery Disconnect…
This installation guide is intended to aid a certified technician in installing a Battery Disconnect Solenoid in place of the Battery Guard (BG160).
- As per Mercedes-Benz Recall 2020-545; MBAG has determined that on certain Mercedes-Benz Sprinter vehicles,…
As per Mercedes-Benz Recall 2020-545; MBAG has determined that on certain Mercedes-Benz Sprinter vehicles, the hydraulic power steering return line hoses might detach at their connection points under certain operating…
- Forest River shared this TSB from our supplier, FireFly, Inc. to our dealers
Firefly Integrations has identified corrupted messages that could be sent on the RV-C communication network. Firefly strongly urges this critical update to your coachâÂÂs software to keep all devices on the network…
- Provide an update that would prevent possible message corruption that could take place on the RVC network
Other years of this model
Questions and answers
What are the most common problems with the 2018 Coachmen Galleria?
There are no owner complaints in the NHTSA data for this year; the data comes from 7 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 Coachmen Galleria?
NHTSA lists 7 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Coachmen Galleria from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.