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2015 Thor Motor Coach Four Winds SiestaProblems, recalls & complaints

NHTSA has logged 2 owner complaints about the 2015 Thor Motor Coach Four Winds Siesta, most often about the electrical system. It is covered by 2 safety recalls, and for recall 17V-758 the manufacturer reports only 12% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls2Lowest repair rate 12%Owner complaints20 with a crash, fire or injuryTypical failure mileage25kElectrical system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 20, 2020. Updated daily.

Complaints by system

Where the 2015 Thor Motor Coach Four Winds Siesta has problems

2 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system10
Electronic stability control (ESC)10
Vehicle speed control10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2015 Thor Motor Coach Four Winds Siesta recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

12%repaired · 2019 Q4

Equipment

Recall 17V-758 · Nov 22, 2017 · 110,400 vehicles · 13,035 repaired

Risk. In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

Problem, fix and repair progress →

53%repaired · 2016 Q1

Equipment: recreational vehicle/trailer

Recall 14V-695 · Nov 3, 2014 · 215 vehicles · 114 repaired

Risk. If an awning falls, there is an increased risk of injury to anyone under the awning.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thor Motor Coach.

Best & worst years

2015 vs. every other Four Winds Siesta year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Four Winds Siesta median. How we score

'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2015 Thor Motor Coach Four Winds Siesta, and the recalls they led to.

  1. Trimark 060-1650 Door Latch FailuresPE20021 · closed Dec 13, 2024
    No recall
In owners' words

What Four Winds Siesta owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

THE MERCEDES BENZ THOR MOTOR COACH SUDDENLY WENT LIMP (WOULDN'T GO HIGHER THAN FIRST GEAR OR FASTER THAN ABOUT 10-15 MPH). THE YELLOW ESP, ABS AND ASR/BAS INDICATOR LAMP LIT WHILE THE ENGINE WAS RUNNING, EVEN WHEN IT WAS STATIONARY. CRUISE CONTROL BECAME INACTIVE. THE COACH'S OPERATING MANUAL…
Complaint 11340363 · Jul 20, 2020 · 25,000 miles

Own a 2015 Four Winds Siesta?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.