VehicleVerdict

1999 Mitsubishi Diamante problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 26 complaints on file for the 1999 Mitsubishi Diamante — too few to judge reliability from owner reports alone — but 2 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

26

NHTSA complaints

2

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 1999 compare to other Diamante years?

Diamante NHTSA complaints by model year, 1999 highlighted162 complaints1992: 60 complaints1993: 43 complaints1994: 33 complaints1995: 13 complaints1997: 51 complaints1998: 35 complaints1999: 26 complaints2000: 63 complaints2001: 93 complaints2002: 162 complaints2003: 75 complaints2004: 3 complaints
Diamante NHTSA complaints by model year, 1999 highlighted. Red bars are years to avoid.

See all Diamante years to avoid →

What are the most common 1999 Mitsubishi Diamante problems?

ComponentComplaintsShare
Visibility & Wipers1142%
Engine312%
Brakes312%
Suspension312%
Seats14%
Steering14%
Body & Structure14%
Fuel System14%
Tires & Wheels14%
Seat Belts14%

Does the 1999 Mitsubishi Diamante have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

04V428000OtherSeptember 1, 2004 · 100,432 units

Defect

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE DASH AND TO THE SUNVISOR DO NOT MEET THE SIZE REQUIREMENTS OF THE STANDARD.

Consequence

THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy

MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL CURRENT 2000-2004 NATIVA OWNERS WILL ALSO RECEIVE REPLACEMENT AIR BAG ALERT LABELS FOR THE SUN VISORS. THIS RECALL IS EXPECTED TO BEGIN DURING MARCH OR APRIL 2005. THE NOTIFICATION TO THE NATIVA OWNERS IS EXPECTED TO BEGIN DURING APRIL OR MAY 2005. OWNERS SHOULD CONTACT MITSUBISHI CARIBBEAN AT 1-787-251-8715.

00V132000BrakesMay 8, 2000 · 9,250 units

Defect

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEAD OF THE SCREW THAT HOLDS THE RETAINING CLIP FOR THE PARKING BRAKE SHOE CAN BECOME BRITTLE AND BREAK OFF.

Consequence

IF THE SCREW HEAD BREAKS OFF, THE PARKING BRAKE SHOE RETAINER CLIP CAN BECOME DISLODGED AND COULD RESULT IN THE PARKING BRAKE DRAGGING AND/OR FAILURE OF THE PARKING BRAKE TO PROPERLY HOLD. SEIZURE OF THE PARKING BRAKE SHOE, ESPECIALLY ON WET OR SNOW COVERED ROADS, COULD RESULT IN LOCKUP OF ONE OF THE REAR WHEELS.

Remedy

DEALERS WILL REPLACE THE RETAINING CLIP SCREW AND IN THE PROCESS INSPECT THE REAR BRAKE SYSTEM OF ANY POSSIBLE RELATED DAMAGE. ANY RELATED DAMAGE THAT MAY BE FOUND WILL ALSO BE REPAIRED.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“THE WINDOWS FOG UP SO BAD THAT IT BECOMES HARD TO SEE. THE VENTS SPEW OUT THE PUNGENT SMELL OF ANTI-FREEZE. I HAVE NOTICED ON MORE THAN A FEW OCCASIONS THAT PUFFS OF VAPOR SHOOT OUT FROM UNDER THE PASSENGER SIDE DASH AND VENTS. I KNOW THAT ANTI-FREEZE IS POISONOUS TO HUMANS AND DON'T THINK THAT ITS…”

Complaint filed with NHTSA · Visibility & Wipers · March 1, 2006

“"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.”

Complaint filed with NHTSA · Brakes · February 4, 2019

“I STARTED TO NOTICE AN ODD SMELL IN THE VEHICLE AND NOTICED A LACK OF COOLANT IN THE RESERVOIR TANK. AFTER A FEW WEEKS I REALIZED THERE WAS COOLANT ACCUMULATING ON THE PASSENGER SIDE FLOORWELL. MY VEHICLE IS AT 53,500 MILES AND WAS DIAGNOSED BY THE DEALER AS HAVING A "HEATER CORE FAILURE." THE…”

Complaint filed with NHTSA · Engine · February 15, 2005

“REAR END UNSTABLE. VEHICLE BACKEND SWERVES AND FISHTAILS ON WET OR ICY SURFACES. REPAIR SHOP STATES BACK END IS FROZEN AND UNABLE TO ALIGN REAR TIRES CAUSING VEHICLE TO SWERVE WHEN DRIVEN ON WET OR ICY SURFACES. MISALIGNMENT OF REAR RESULTS IN NEW TIRES HAVING TO BE PURCHASED APPROXIMATELY EVERY…”

Complaint filed with NHTSA · Suspension · November 18, 2010

“TEST DROVE A USED 1999 MITSUBISHI DIAMANTE VIN # [XXX] AT THE WAYZATA AUTO CENTER BARGAIN LOT 1805 EAST WAYZATA BLVD., WAYZATA, MN 55391ON OR ABOUT 12/26/02. THE CAR WAS SHOWING APPROX 57,000 MILES. WHILE MY WIFE WAS DRIVING AT HIGHWAY SPEED SHE MADE A LANE CHANGE AND THE CAR ENTERED INTO AN…”

Complaint filed with NHTSA · Steering · December 26, 2002

1999 Mitsubishi Diamante — common questions

Is the 1999 Mitsubishi Diamante reliable?

The record is thin — 26 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 2 recalls should be verified as completed.

What are the most common 1999 Diamante problems?

According to NHTSA complaint data, the leading problem areas are visibility & wipers (11 complaints), engine (3 complaints), suspension (3 complaints).

Does the 1999 Mitsubishi Diamante have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 1999 Mitsubishi Diamante. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mitsubishi Diamante years should you avoid?

Based on complaint rates and open investigations, the Diamante years to avoid are 2002, 2001, 2003. The cleanest record among Diamante years belongs to 2004.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.