Problems · NHTSA complaints
1999 Mitsubishi Diamante problems
Owners filed 23 complaints about the 1999 Mitsubishi Diamante with NHTSA between Jan 2000 and Feb 2019. The most-cited component is visibility (10).
Complaints
23
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Visibility10
- Suspension3
- Engine and engine cooling3
- Service brakes, hydraulic2
- Service brakes1
- Visibility/wiper1
- Tires1
- Seat belts1
- Fuel system, gasoline1
- Structure1
- Steering1
- Seats1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
2
1
1
4
3
6
0
0
0
3
1
0
0
0
0
0
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 3 |
| 2006 | 6 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Visibility
10 reports
“TL*THE CONTACT OWNS 1999 MITSUBISHI DIAMANTE. THE CONTACT STATED THAT WHILE TRAVELING AT VARIOUS SPEEDS THE REAR VIEW MIRROR WOULD SHAKE; AND WAS NOT SECURELY ATTACHED TO THE WINDSHIELD. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THE REAR VIEW MIRROR WAS ATTACHED PROPERLY. ON A SEPARATE OCCASION THE REARVIEW MIRROR BROKE AND DETACHED FROM THE WINDSHIELD. THE REAR VIEW MIRROR WAS REPLACED BY AN AUTHORIZED DEALER. THE CONTACT DETECTED THE PROBLEM SINCE THE PURCHASE DATE OF THE VEHICLE. THE FAILURE MILEAGE WAS 200. THE VIN WAS UNAVAILABLE.”
Suspension
3 reports
“"TAKATA RECALL" I FOUND THE MOST RECENT RECALL ON THE PAGE, HTTPS://DRIVING-TESTS.ORG/VIN-DECODER/ WHEN I TRY TO KNOW MORE ABOUT VIN NUMBER WAS. I SEARCHED IN GOOGLE SEARCH. AND THAT WHY I FOUND THIS INFORMATION. THANS A LOT FOR YOUR HELP. THE VEHICLE WAS IN MOTION.”
Engine and engine cooling
3 reports
“I OWN A MITSUBISHI DIAMANTE, 1999. I NOTICED FUMES COVERING THE PASSENGER SIDE WINDSHIELD. IN THE WINTER TIME THE PROBLEM IS WORSE AND IT COVERS BOTH PASSENGER SIDE AND DRIVER'S SIDE CREATING VERY DANGEROUS DRIVING CONDITIONS. *TR”
Service brakes, hydraulic
2 reports
“ROTORS WARPED AT 14444 MILES, DEALER TURNED THEM UNDER WARRANTY. THEY GOT WARPED AGAIN AT 18700 MILE, BUT DEALER REFUSED TO ADDRESS THE ISSUE, CITING DRIVER'S DRIVING HABITS. *AK”
Service brakes
1 report
Visibility/wiper
1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.