AI Damage2020 Thor Motor Coach redundant Synergy: common problems
The maker issued 4 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 4
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Backover prevention | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 2 |
What to check before buying
- Backover prevention. Rear camera and parking sensors after a rear impact.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- On certain Mercedes-Benz Sprinter vans, the MBUX multimedia system software might not meet specifications
Under very specific conditions, the MBUX multimedia system might not start and the display might remain black, or could reboot unintentionally after 50 seconds of initial startup. Accordingly, the rearview camera image…
- MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the…
MBAG has determined that on certain model year 2019-2020 Sprinter vehicles, the retaining washer on the bolt that connects the brake pedal to its bearing block could come loose. If the retaining washer were to come…
Questions and answers
What are the most common problems with the 2020 Thor Motor Coach redundant Synergy?
There are no owner complaints in the NHTSA data for this year; the data comes from 4 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Thor Motor Coach redundant Synergy?
NHTSA lists 4 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 2020 Thor Motor Coach redundant Synergy 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 2020 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.