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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.

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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

Service Brakes, Hydraulic complaints

13 reports
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59,120 miles · Mar 29, 2005
Service Brakes, Hydraulic

WHILE APPLYING BRAKES AT 25 MPH THE BRAKE PEDAL WENT TO THE FLOOR AND THE VEHICLE CONTINUED ON THROUGH AN INTERSECTION CONTROLLED BY A STOP SIGN. CONSUMER WAS ABLE TO COAST THE VEHICLE THROUGH THE INTERSECTION WITHOUT AN ACCIDENT AND BRING THE VEHICLE TO A STOP. VEHICLE WAS TOWED TO A REPAIR SHOP AND TO A DEALER, WHO INFORMED CO…

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WHILE APPLYING BRAKES AT 25 MPH THE BRAKE PEDAL WENT TO THE FLOOR AND THE VEHICLE CONTINUED ON THROUGH AN INTERSECTION CONTROLLED BY A STOP SIGN. CONSUMER WAS ABLE TO COAST THE VEHICLE THROUGH THE INTERSECTION WITHOUT AN ACCIDENT AND BRING THE VEHICLE TO A STOP. VEHICLE WAS TOWED TO A REPAIR SHOP AND TO A DEALER, WHO INFORMED CONSUMER THAT THE BRAKE LINE LEADING TO THE REAR NEEDED TO BE REPLACED DUE TO CORROSION.*AK

NHTSA ODI #10117013

Mileage unknown · Sep 11, 2002
Service Brakes, HydraulicCrashInjury

MY CAR ROLLED OVER ON KLONDIKE HIGHWAY IN YUKON, CANADA. IT HAPPENED WHEN DRIVEN ON DOWN SLOPE LOOSE GRAVEL. THE ROAD CONDITION WAS NOT GOOD ON THAT HIGHWAY. WHEN THE CAR TRAVEL FROM THE PAVED ROAD CONDITION TO LOOSE GRAVEL, IT SLIPPED IN THE BEGINNING THEN LOST CONTROL AND ROLLOVER. I COULD NOT STOP THE CAR BY STEPPING HARD ON …

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MY CAR ROLLED OVER ON KLONDIKE HIGHWAY IN YUKON, CANADA. IT HAPPENED WHEN DRIVEN ON DOWN SLOPE LOOSE GRAVEL. THE ROAD CONDITION WAS NOT GOOD ON THAT HIGHWAY. WHEN THE CAR TRAVEL FROM THE PAVED ROAD CONDITION TO LOOSE GRAVEL, IT SLIPPED IN THE BEGINNING THEN LOST CONTROL AND ROLLOVER. I COULD NOT STOP THE CAR BY STEPPING HARD ON THE BRAKE. MY WIFE GOT A BROKEN SHOULDER WHEN IT ROLLED OVER. I GOT SOME CUT AND SCRATCHES ON MY RIGHT HAND. THE CAR WAS UPSIDE DOWN FINALLY. I DON'T THINK THE ABS AND ETS KICKED IN AT THAT MOMENT. ALTHOUGH DRIVER'S SIDE AIR BAG WENT OFF, MY WIFE WAS NOT THAT LUCKY BECAUSE HER SIDE AIRBAG DID NOT DEPLOY FROM HER DOOR TO PROTECT HER SO HER RIGHT SHOULDER BROKEN. I TOLD MBUSI ABOUT THE UN- DEPLOYED SIDE AIRBAG AFTER MY CAR ROLLING OVER. SHE ASKED FOR MY BEING PATIENT. TWO MONTHS HAVE PAST SINCE THEN, SHE DID NOT EVEN GIVE ME A WORD. I READ FROM NEWSPAPER KNOWING THAT GM RECALLED THOUSANDS OF CAR WHEN SHE FOUND THE SAME PROBLEM BEFORE ANYONE GET INJURED. I DON'T UNDERSTAND WHY MB PUT THIS FATAL PROBLEM OFF? SO WHAT'S WRONG WITH ML320 AND THE CUSTOMER SERVICE OF MERCEDES BENZ. *AK

NHTSA ODI #767047

Mileage unknown · Dec 11, 2001
Service Brakes, Hydraulic

BRAKING SYSTEM IS DEFECTIVE, SYSTEM IS NOT WORKING PROPERLY. CONSUMER HAS HAD SYSTEM REPLACED TWICE SINCE PURCHASING VEHICLE. PLEASE PROVIDE MORE INFORMATION. *AK

NHTSA ODI #8000573

Mileage unknown · Mar 5, 2001
Service Brakes, Hydraulic

WHILE TRAVELING 30-40MPH, COULD SMELL BRAKES BURNING. WOULD HAVE BURNING BRAKES EVERY 12,000 MILES. PADS AND ROTORS WOULD NEED TO BE CHANGED. HAS BEEN THROUGH 5 SETS OF BRAKES ALREADY.*AK

NHTSA ODI #882134

Mileage unknown · Feb 13, 2001
Service Brakes, Hydraulic

MY MERCEDES TRUCK HAS BURNED THROUGH 4 OR 5 SETS OF BRAKE PADS IN THE FRONT AND TWO SETS FOR THE REAR WITHIN 63300 MILES OF DRIVING, OUR DRIVING IS MOSTLY ON THE FREEWAY. I CALLED MERCEDES BENZ THEY TOLD ME TO TAKE IT TO THE DEALER, WHICH I ALREADY DID. MY DEALER TELLS ME THAT THIS IS A UNIVERSAL PROBLEM WITH THE ML 320 AND ML …

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MY MERCEDES TRUCK HAS BURNED THROUGH 4 OR 5 SETS OF BRAKE PADS IN THE FRONT AND TWO SETS FOR THE REAR WITHIN 63300 MILES OF DRIVING, OUR DRIVING IS MOSTLY ON THE FREEWAY. I CALLED MERCEDES BENZ THEY TOLD ME TO TAKE IT TO THE DEALER, WHICH I ALREADY DID. MY DEALER TELLS ME THAT THIS IS A UNIVERSAL PROBLEM WITH THE ML 320 AND ML 430 TRUCKS, THEY ARE HEAVY VEHICLES AND THE COMPONENTS OF THE BRAKE PADS ARE SOFT AND SO ARE THE BRAKE ROTORS. IT IS THE DESIGN OF THESE COMPONENTS AND THE WEIGHT OF THE VEHICLE THAT CONTRIBUTES TO A HIGH BURNING RATE OF THESE BRAKES. THIS WAS TOLD TO ME BY THE DEALER AS WELL AS ANOTHER MERCEDES SERVICE CENTER.

NHTSA ODI #740843

Mileage unknown · Sep 30, 1999
Service Brakes, HydraulicCrash

WHILE DRIVING BRAKES MALFUNCTIONED, VEHICLE LOST CONTROL, RESULTING IN A CRASH. PLEASE PROVIDE FURTHER INFORMATION. *AK

NHTSA ODI #849375

Mileage unknown · Mar 26, 1999
Service Brakes, Hydraulic

ANTI LOCK BRAKE LOCKED UP ON RIGHT SIDE OF CAR CAUSING IT TO SPIN OUT OF CONTROL RESULTING IN VEHICLE COLLISION.

NHTSA ODI #607576

Mileage unknown · Feb 1, 1999
SeatsService Brakes, Hydraulic

BRAKES SQUEAKING. YH

NHTSA ODI #606328

Mileage unknown · Feb 1, 1999
Service Brakes, Hydraulic

FRONT DISC BRAKES FAILED. MJS

NHTSA ODI #606212

Mileage unknown · Feb 1, 1999
Service Brakes, HydraulicSteering

BRAKE ROTORS FAILED. *YC

NHTSA ODI #606183

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.