← New search

1998 Mercedes Benz ML320

Owner reports · Recalls · Investigations

More warning signs than most ML320 years

Owner complaints for the 1998 Mercedes Benz ML320 are substantially higher than the model-year median of 28.

About this comparison →

When problems were reported

Mileage at the reported incident

43 reports with mileage · 90 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Visibility. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports5 fire reports10 injury reports

Structure complaints

12 reports
Clear category filter
157,000 miles · Nov 5, 2012
Structure

TL* THE CONTACT OWNS A 1998 MERCEDES BENZ ML320. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS THE DOOR LOCKS ON ALL FOUR DOORS INDEPENDENTLY LOCK AND UNLOCK CONTINUOUSLY. THE DRIVER SIDE DOOR WOULD NOT UNLOCK FROM THE OUTSIDE AND THE CONTACT HAD TO ENTER FROM THE PASSENGER SIDE DOOR. THE FAILURE RECURRED NUMEROUS TIME…

Read full complaint

TL* THE CONTACT OWNS A 1998 MERCEDES BENZ ML320. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS THE DOOR LOCKS ON ALL FOUR DOORS INDEPENDENTLY LOCK AND UNLOCK CONTINUOUSLY. THE DRIVER SIDE DOOR WOULD NOT UNLOCK FROM THE OUTSIDE AND THE CONTACT HAD TO ENTER FROM THE PASSENGER SIDE DOOR. THE FAILURE RECURRED NUMEROUS TIMES. THE DEALER WAS NOTIFIED AND STATED THAT WHILE THERE WERE A LOT OF COMPLAINTS THERE WAS NO RECALLS AT THAT TIME. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 157,000.

NHTSA ODI #10483353

97,615 miles · May 2, 2004
Electrical SystemEngine And Engine CoolingFuel System, GasolineInjury

LAUNDRY LIST OF FAILURES. JACK HAS ALMOST KILLED ME WHILE CHANGING TIRE. VEHICLE FELL, ALMOST HITTING ME BUT CATCHING SIDE OF VEHICLE BEFORE LANDING ON ME! HOOD LATCH HAS FAILED ON A FEW OCCASIONS, CAUSING HOOD TO OPEN WHILE VEHICLE WAS IN MOTION. AIR MASS METER FAILED. HAS REQUIRED 5 (FIVE!) ALIGNMENTS IN TWO YEARS. WHEN …

Read full complaint

LAUNDRY LIST OF FAILURES. JACK HAS ALMOST KILLED ME WHILE CHANGING TIRE. VEHICLE FELL, ALMOST HITTING ME BUT CATCHING SIDE OF VEHICLE BEFORE LANDING ON ME! HOOD LATCH HAS FAILED ON A FEW OCCASIONS, CAUSING HOOD TO OPEN WHILE VEHICLE WAS IN MOTION. AIR MASS METER FAILED. HAS REQUIRED 5 (FIVE!) ALIGNMENTS IN TWO YEARS. WHEN BROUGHT TO DEALER'S ATTENTION, WAS TOLD NOTHING WAS WRONG. A MONTH LATER REQUIRES ANOTHER ALIGNMENT. ALIGNMENT PROBLEMS CAUSES WEAR ON TIRES, WHICH HAS CAUSED HYDROPLANING AND LOSS OF CONTROL OF VEHICLE. VEHICLE SWERVES UNCONTROLLABLY WHEN HITS ANYTHING OTHER THAN FLAT ROAD. TRANSFER CASE MOTOR FIXED BY DEALER WITHOUT CONSULTING. AFTER REPAIR, TRANSFER CASE MOTOR FAILED. DEALER STATES OWNER RESPONSIBLE FOR COSTS. HAS HAD REPAIR OF HARMONIC BALANCER ON FRONT OF ENGINE DUE TO EXCESSIVE HEAT BUILDUP LEADING TO OIL LEAK AND FAILURE OF BELT TENSIONER. WINDOW SWITCHES HAVE FAILED TWICE AND FIXED AT EXPENSE OF OWNER. SIX DIFFERENT KEYS HAVE FAILED @ THE COST OF $220/KEY. REAR WINDOW DEFROSTER CAUSES LOSS OF STEREO RECEPTION. REAR WINDOW WIPER MOTOR HAS FAILED. FRONT END MAKES NOISE.*AK

NHTSA ODI #10068171

Mileage unknown · May 1, 2002
Engine And Engine CoolingStructure

VEHICLE IS EXPERIENCING CATALYTIC CONVERTERS PROBLEM. *YD

NHTSA ODI #785976

Mileage unknown · Mar 3, 2001
Engine And Engine CoolingStructureVisibility

MY 1998 MLK 320 IS GOING INTO THE SHOP FOR THE TENTH TIME IN 31 MONTHS, AND THE ONLY REASON IT HASN'T BEEN IN MORE OFTEN IS I LIVE 30 MILES FROM THE DEALER. THE CAR HAS BEEN A NIGHTMARE. THE PROBLEMS ARE NUMEROUS; MANY HAVE NEVER BEEN SUCCESSFULLY REPAIRED. THE MAIN PROBLEM THAT STARTED NOT LONG AFTER I PURCHASED THE CAR (NEW…

Read full complaint

MY 1998 MLK 320 IS GOING INTO THE SHOP FOR THE TENTH TIME IN 31 MONTHS, AND THE ONLY REASON IT HASN'T BEEN IN MORE OFTEN IS I LIVE 30 MILES FROM THE DEALER. THE CAR HAS BEEN A NIGHTMARE. THE PROBLEMS ARE NUMEROUS; MANY HAVE NEVER BEEN SUCCESSFULLY REPAIRED. THE MAIN PROBLEM THAT STARTED NOT LONG AFTER I PURCHASED THE CAR (NEW) IS, WHEN I START IT THE CAR DIES. I HAVE TO REPEAT THE PROCESS AND EVENTUALLY THE CAR WILL START. THERE ARE ALSO A MYRIAD OF SMALL, CONTINUOUS PROBLEMS; WINDOWS THAT WON'T GO UP, LOCKS THAT LOCK AND UNLOCK ON THEIR OWN, PLASTIC PARTS THAT HAVE FALLEN OFF. IT HAS IS AWFUL. IT MAKES MY 95 FORD RANGER TRUCK SEEM LIKE A DREAM AUTO.

NHTSA ODI #741865

Mileage unknown · May 22, 2000
Structure

NO SUMMARY LISTED FOR ABOV EVEHICLE. *AK

NHTSA ODI #723039

Mileage unknown · Sep 8, 1999
Structure

ALARM/LOCK SYSTEM REMOTE.

NHTSA ODI #609588

Mileage unknown · Sep 8, 1999
Structure

MIRROR AND FRAME HIDE TRAFFIC, CREATING A BLIND SPOT ON THE RIGHT SIDE.

NHTSA ODI #609514

Mileage unknown · Aug 6, 1999
SteeringStructureVisibility

REAR WINDOWS GOE DOWN ON THEIR OWN. ALSO, WHEN CONSUMER GETS OUT OF THE VEHICLE ALL THE DOORS WILL AUTOMATICALLY LOCK, AND THE ALARM SYSTEM WILL GO OFF. *AK

NHTSA ODI #844560

Mileage unknown · Feb 1, 1999
Exterior LightingStructure

TAIL LIGHT FAILURE. YH

NHTSA ODI #609270

Mileage unknown · Nov 24, 1998
Engine And Engine CoolingPower TrainStructure

THE CONSUMER HAS BEEN EXPERIENCING PROBLEMS WITH AUTOMATIC TRANSMISSION/MOTOR/ POWER WINDOWS/ DOOR HANDLES AND PANELS, AND SUSPENSION SYSTEM. CONSUMER HAS BEEN EXPERIENCING THESE PROBLEMS EVER SINCE VEHICLE WAS PURCHASED. THE MANUFACTURER HAS BEEN CONTACTED. *AK

NHTSA ODI #831300

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE03058 · Engine Crankshaft Pulley Failure

Opened Dec 17, 2003 · Closed Apr 22, 2004

Status: closed (inferred from source dates) · Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys

THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS PRELIMINARY EVALUATION TO INVESTIGATE ALLEGATIONS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE THAT COULD RESULT IN LOSS OF POWER-STEERING ASSIST.ODI HAS RECEIVED A TOTAL OF 546 NON-DUPLICATIVE REPORTS THAT ALLEGE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON ALL MERCEDES-BENZ VEHICLES USING THE SUBJECT COMPONENT.THE SUBJECT COMPONENT FAILURES ARE PROGRESSIVE IN NATURE AND ONLY A SMALL PERCENTAGE OF THE COMPLAINTS AND WARRANT CLAIMS INVOLVED A FAILURE THAT HAD PROGRESSED FAR ENOUGH TO EFFECT POWER STEERING PERFORMANCE (6 OF 55 ODI COMPLAINTS REFERENCE INCREASED STEERING EFFORT).THERE HAVE BEEN NO CRASHES OR INJURIES RELATED TO THE ALLEGED DEFECT.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE SUMMARY REPORT ATTACHED FOR FURTHER DETAIL.