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U.S. public vehicle records

Keystone COUGAR problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

149 owner complaints analyzed

48 distinct recall campaigns

4,500 mi median reported failure mileage

Scope: 1999 to 2026 model years. Data snapshot: . 61 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Tires is the most frequently named component, appearing in 37 of 149 complaints (24.8%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Braking behavior117.4%
Electrical and battery issues117.4%
Transmission and shifting21.3%
Engine operation10.7%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Tires
37
Structure
19
Equipment:Recreational Vehicle/Trailer
18
Structure:Body
15
Suspension
14
Unknown Or Other
11
Electrical System
10
Wheels
9
Component breakdown data
CategoryCount
Tires37
Structure19
Equipment:Recreational Vehicle/Trailer18
Structure:Body15
Suspension14
Unknown Or Other11
Electrical System10
Wheels9

Tires: 37; Structure: 19; Equipment:Recreational Vehicle/Trailer: 18; Structure:Body: 15; Suspension: 14; Unknown Or Other: 11; Electrical System: 10; Wheels: 9

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
60
25,000 to 49,999
0
50,000 to 74,999
1
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,00060
25,000 to 49,9990
50,000 to 74,9991
75,000 to 99,9990
100,000 to 149,9990
150,000 and above0

Under 25,000: 60; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

Under 25,000 miles has the most reports with usable mileage (60). 88 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2002
1
2004
1
2005
12
2006
10
2007
16
2008
10
2009
9
2010
5
2011
9
2012
10
2013
7
2014
4
2015
5
2016
11
2017
7
2018
4
2019
4
2020
1
2021
5
2022
9
2023
1
2024
3
2025
2
2026
3
Complaints over time data
CategoryCount
20021
20041
200512
200610
200716
200810
20099
20105
20119
201210
20137
20144
20155
201611
20177
20184
20194
20201
20215
20229
20231
20243
20252
20263

2002: 1; 2004: 1; 2005: 12; 2006: 10; 2007: 16; 2008: 10; 2009: 9; 2010: 5; 2011: 9; 2012: 10; 2013: 7; 2014: 4; 2015: 5; 2016: 11; 2017: 7; 2018: 4; 2019: 4; 2020: 1; 2021: 5; 2022: 9; 2023: 1; 2024: 3; 2025: 2; 2026: 3

Pattern summary

Tires leads the component reports. Braking behavior appears in 11 complaint narratives. Electrical and battery issues appears in 11 complaint narratives. Transmission and shifting appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10238925 · 2008-08-19 (August 19, 2008)

TL*THE CONTACT OWNS A 2008 KEYSTONE COUGAR. WHILE DRIVING AT AN UNKNOWN SPEED, THE BRAKES FAILED. THE CONTACT EXAMINED THE VEHICLE AND NOTICED THAT THE BRAKE WIRE WAS PINCHED BY THE DUMP VALVE SHAFTS. THE DEALER STATED THAT THE BRAKE WIRES NEEDED TO BE REPLACED AND SECURED. THE FAILURE MILEAGE WAS 10,000.UPDATE 09/10/08 *CW THE CONSUMER STATED THE WIRES WERE LAYING LOOSE AND NOT SECURED IN THE AREA OF THE DUMP VALVES. UPDATED 09/16/08. *JB

Owner-reported narrative. 10,000 miles reported. Look up ODI 10238925 at NHTSA ↗

Owner report 10277504 · 2009-07-20 (July 20, 2009)

TL*THE CONTACT OWNS A 2008 KEYSTONE COUGAR FIFTH WHEEL. WHILE DRIVING 55 MPH, THE TWO PASSENGER SIDE TIRES BLEW OUT. THE CONTACT BELIEVES THAT THE WEIGHT OF THE FIFTH WHEEL CAUSED THE TIRES TO FAIL. HE STATED THAT THE MANUFACTURER PUT CHEAP WHEELS ON THE VEHICLE IN ORDER TO SAVE MONEY. THE FAILURE MILEAGE WAS NOT APPLICABLE. UPDATED 08/31/09 *BF THE BRAKES ON THE RV WERE EXTREMELY LOUD EVERYTIME THEY WERE APPLIED. UPDATED 09/09/09. JB

Owner-reported narrative. 5,000 miles reported. Look up ODI 10277504 at NHTSA ↗

Owner report 10179243 · 2007-01-20 (January 20, 2007)

WHILE OPERATION OF THE LIPPERT SLIDEOUT IN OUR '04 KEYSTONE 285EFS FIFTH WHEEL, THE SLIDE STOPPED. UPON INVESTIGATION (FOLLOWING WIRES, CHECKING FUSE, CONTACTS, ETC.) I FOUND BURNT OUT AND MELTED WIRE NUTS DIRECTLY BEHIND THE FUSE PANEL LYING IN SAWDUST. THE WIRES ARE 10 GAUGE (30 AMP). ONE STRIPPED END WAS AN INCH IN LENGTH WHILE THE OTHER WAS LESS THAN 1/16". THESE WIRES PROVIDE FULL 12 VOLT AMPERAGE TO OPERATE THE SLIDEOUT. THIS WAY OF STRIPPING WIRES FOR WIRE NUT ATTACHMENT IS NOT PRUDENT FOR A SAFE ELECTRICAL CONNECTION AND IS EXTREMELY D…

Owner-reported narrative. Look up ODI 10179243 at NHTSA ↗

Owner report 10200186 · 2007-08-20 (August 20, 2007)

I PURCHASED A 2004 COUGAR 5TH WHEEL MADE BY KEYSTONE RV IN APRIL OF 2005 FROM A LOCAL DEALER. SINCE THEN WE HAVE TAKEN TWO LONG TRIPS (OVER 500 MILES) AND EACH TIME HAVE HAD MULTIPLE BLOW-OUTS (2 ON THE FIRST TRIP AND 3 THIS LAST TRIP). THUS, I HAVE HAD TO REPLACE ALL FIVE TIRES THAT CAME WITH THE UNIT WITH BRAND-NEW TIRES. ALL OF THE BLOW-OUTS HAVE OCCURRED ON PUBLIC HIGHWAYS DOING 60MPH AND THERE WAS NO WARNING NOR COULD I FEEL THAT A TIRE HAD GONE. FORTUNATELY EITHER I NOTICED SMOKE IN MY SIDE MIRRORS OR A PASSERBY HAS ALERTED ME TO THE …

Owner-reported narrative. Look up ODI 10200186 at NHTSA ↗

Owner report 10484902 · 2012-11-16 (November 16, 2012)

TL* THE CONTACT OWNS A 2011 KEYSTONE COUGAR RV. THE CONTACT STATED THAT THE FURNACE FUEL LINE WAS LEAKING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO REPLACED THE FUEL LINE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 4,000. UPDATED 01/02/2013*LJ THE CONSUMER STATED THE LINE WAS RAN OVER THE FRAME, UNDER FLOOR, AND WITH BODY SHIFTING THE COPPER 3/8S LINE WAS CRUSHED AND CRACKED. THIS ALLOWED 17 GALS OF FUEL VAPORS TO LEAK INTO THE CAMPER LIVING AREA, UNDER BELLY, AND THE…

Owner-reported narrative. 4,000 miles reported. Look up ODI 10484902 at NHTSA ↗

Owner report 11430579 · 2021-08-26 (August 26, 2021)

The contact owns a 2020 Keystone Cougar. The contact stated while the RV was stationary, the rear motor turned on independently and fractured the gears. The contact took the RV to an independent mechanic, where it was diagnosed with needing the gearbox to be replaced. The RV was not repaired but was pending repairs. Upon investigation, the contact associated the failure with NHTSA Campaign Number: 19V689000 (Electrical System) however, the VIN was not included. A dealer was not contacted. The contact attempted to reach the manufacturer by email…

Owner-reported narrative. 100 miles reported. Look up ODI 11430579 at NHTSA ↗

Owner report 10083869 · 2004-07-23 (July 23, 2004)

POSSIBLE ENGINE STALLING IN 1999 THROUGH 2002 MERCURY COUGAR.*MR

Owner-reported narrative. Look up ODI 10083869 at NHTSA ↗

Compare model years

Recalls by model year

All campaigns in the snapshot affecting each model year, including recalls announced years later.

Recall campaigns

Shared campaigns appear once in each affected model year.

2010
4
2011
7
2012
2
2013
2
2014
4
2015
3
2016
2
2017
7
2018
4
2019
8
2020
8
2021
7
2022
6
2023
1
2024
1
2025
1
2026
0
Recall campaigns data
CategoryCount
20104
20117
20122
20132
20144
20153
20162
20177
20184
20198
20208
20217
20226
20231
20241
20251
20260

2010: 4; 2011: 7; 2012: 2; 2013: 2; 2014: 4; 2015: 3; 2016: 2; 2017: 7; 2018: 4; 2019: 8; 2020: 8; 2021: 7; 2022: 6; 2023: 1; 2024: 1; 2025: 1; 2026: 0

Year-by-year records

Keystone COUGAR model-year comparison
Model yearComplaintsRecallsChange in recalls
199901Not available
200012+1
200131-1
2002610
200362+1
2004263+1
2005730
200664+1
200796+2
200893-3
2009430
2010104+1
201197+3
201252-5
2013620
201444+2
201553-1
201652-1
201737+5
201844-3
201998+4
2020380
202147-1
202236-1
202311-5
2024010
2025010
202610-1