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Thor Motor Coach Synergy Recalls & Complaints by Model Year

NHTSA lists 5 safety recalls and 0 owner complaints across 5 model years of the Thor Motor Coach Synergy (2016–2022).

5
safety recalls, all years
0
owner complaints, all years
2020
year with most recalls

Pick your Thor Motor Coach Synergy model year

Model yearRecallsComplaints
2022 Thor Motor Coach Synergy10
2020 Thor Motor Coach Synergy30
2018 Thor Motor Coach Synergy10
2017 Thor Motor Coach Synergy10
2016 Thor Motor Coach Synergy20

All Thor Motor Coach Synergy recalls (5)

Every NHTSA safety campaign that lists a Thor Motor Coach Synergy, most recent first, with the model years each one covers.

  1. Lines and fittings (equipment)

    NHTSA 22V300000 Reported 3,374 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2022 Scope, Tellaro, Sanctuary, Delano, Sequence, Tranquility, Rize, Synergy, Quantum, Magnitude, Geneva, Compass, Chateau, Four Winds, and 2022-2023 Tiburon, and Gemini vehicles. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.

    Remedy: Dealers will replace the quick disconnect fittings, free of charge. Owner notification letters were mailed June 27, 2022. Owners may contact TMC customer service at 1-877-855-2867.

    Model years: 2022

  2. Underbody shields (structure) and hoses, lines/piping, and fittings (service brakes)

    NHTSA 20V312000 Reported 566 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes Benz Sprinter chassis [platform 907 (VS30)]. The rear part of the fender liner on the front axle may contact and chafe the brake…

    Remedy: TMC will notify owners, and an authorized Mercedes-Benz dealer will inspect the brake hoses for chafing and replacement if necessary. The fender liner will also be altered to permit more clearance. All repairs will be…

    Model years: 2020

  3. Automatic transmission (power train) and owners/service/other manual (equipment)

    NHTSA 20V308000 Reported 566 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes-Benz Sprinter chassis [platform 907 (VS30)] equipped with automatic transmissions. The owner's manual does not correctly specify the…

    Remedy: TMC will notify owners, and a Mercedes Benz dealer will supplement the Operator's Manual with a correct description of the Auto-P function equipped in the vehicle. This recall began June 25, 2020. Owners may contact…

    Model years: 2020

  4. Labels (equipment)

    NHTSA 19V714000 Reported 101 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2014 Tuscany 36M, 40E, 2015 Citation 24SL, Siesta 24SL, Axis 25.1 and Vegas 25.1, 2016 Four Winds 31E, 31W, 35SF, Chateau 31E, 31W, Synergy SD24, Citation 24SL, 24SS and Siesta 24SL, 24SS, 2017 Four Winds 31E, 31W, Chateau 31E, 35SD, Citation 24SS and Siesta 24SS, 2018 Citation 24SS and Siesta…

    Remedy: TMC will notify owners, and dealers will issue new OCCC labels with correct seating positions and weight calculations, free of charge. The recall began November 21, 2019. Owners may contact TMC customer service at…

    Model years: 2016, 2020

  5. Equipment

    NHTSA 17V758000 Reported 110,400 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged, preventing the extinguisher…

    Remedy: Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1-877-500-1020, or Kidde…

    Model years: 2016, 2017, 2018

Other Thor Motor Coach models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.