Total Complaints
139 filings
MERCEDES-BENZ ML320 · model year
139 NHTSA complaints, 8 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2002MERCEDES-BENZML320 carries 139 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 8 crashes, 10 fires, 10 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2002 ML320 is electrical system with 17 filings, followed by steering (15) and service brakes (15). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2002 ML320. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
139 filings
Crashes Reported
8 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 17 |
| STEERING | 15 |
| SERVICE BRAKES | 15 |
| VEHICLE SPEED CONTROL | 10 |
| ELECTRONIC STABILITY CONTROL (ESC) | 10 |
| SERVICE BRAKES, HYDRAULIC | 7 |
| STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS | 5 |
| SUSPENSION | 4 |
| EXTERIOR LIGHTING | 4 |
| UNKNOWN OR OTHER | 4 |
| STEERING:HYDRAULIC POWER ASSIST SYSTEM | 3 |
| SEATS | 3 |
| ENGINE | 3 |
| WHEELS | 3 |
| SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER | 2 |
The contact owns a 2002 Mercedes-Benz ML320. The contact stated while driving at approximately 25 MPH, the driverâs side front wheel independently braked. The contact stated he had not depressed the brake pedal but heard an abnormal sound from the tire screeching as the wheel had stopped rolling. The contact stated that the ESP traction warning light was illuminated. The contact pulled the vehicle over, turned off, restarted the vehicle, and was able to continue driving. The contact stated that the failure occurred several minutes later. The contact stated that the failure occurred one other time and had not happened again. The contact had not taken the vehicle to a local dealer or independent. The vehicle had not been diagnosed and was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 198,000.
Mileage: 198,000
The contact owns a 2002 Mercedes-Benz ML320. The contact stated while driving at approximately 25 MPH, the driverâs side front wheel independently braked. The contact stated he had not depressed the brake pedal but heard an abnormal sound from the tire screeching as the wheel had stopped rolling. The contact stated that the ESP traction warning light was illuminated. The contact pulled the vehicle over, turned off, restarted the vehicle, and was able to continue driving. The contact stated that the failure occurred several minutes later. The contact stated that the failure occurred one other time and had not happened again. The contact had not taken the vehicle to a local dealer or independent. The vehicle had not been diagnosed and was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 198,000.
Mileage: 198,000
The car brakes suddenly by itself just after the ESB/ABS lights come on along with an exclamation point (!). This has happened randomly at least 4 times since we purchased the car. Once at high speeds on the highway. It appears this problem is common with other owners of Mercedes 2001-2002 ML's. According to the forums below, the problem seems to be a "YAW RATE SENSOR" malfunction or defect. My Mercedes mechanic saw no error codes for this component and it seem extremely expensive (forum states part is $3000) to replace. The https://mbworld.org/forums/m-class-w163/233486-big-problems-ml320-pls-help-2.html
The car brakes suddenly by itself just after the ESB/ABS lights come on along with an exclamation point (!). This has happened randomly at least 4 times since we purchased the car. Once at high speeds on the highway. It appears this problem is common with other owners of Mercedes 2001-2002 ML's. According to the forums below, the problem seems to be a "YAW RATE SENSOR" malfunction or defect. My Mercedes mechanic saw no error codes for this component and it seem extremely expensive (forum states part is $3000) to replace. The https://mbworld.org/forums/m-class-w163/233486-big-problems-ml320-pls-help-2.html
FUSE BOX SOME HAS POWER SOME NOT. FRONT LEFT WHEEL MAKING THIS NOISE AND STOPS AFTER 25 MILES PER HOUR RADIO VOLUME LOW WHEN IGNITION KEY IS ON POSITION 3 WHEN KEY IT'S IN THE POSITION 2 LAUD VOLUME WHEN KEY IS NOT IN I CAN TURN ON THE STEREO
Mileage: 203,000
FUSE BOX SOME HAS POWER SOME NOT. FRONT LEFT WHEEL MAKING THIS NOISE AND STOPS AFTER 25 MILES PER HOUR RADIO VOLUME LOW WHEN IGNITION KEY IS ON POSITION 3 WHEN KEY IT'S IN THE POSITION 2 LAUD VOLUME WHEN KEY IS NOT IN I CAN TURN ON THE STEREO
Mileage: 203,000
FUSE BOX SOME HAS POWER SOME NOT. FRONT LEFT WHEEL MAKING THIS NOISE AND STOPS AFTER 25 MILES PER HOUR RADIO VOLUME LOW WHEN IGNITION KEY IS ON POSITION 3 WHEN KEY IT'S IN THE POSITION 2 LAUD VOLUME WHEN KEY IS NOT IN I CAN TURN ON THE STEREO
Mileage: 203,000
FRONT END COLLISION - AIRBAGS FAILED TO DEPLOY.
FRONT END COLLISION - AIRBAGS FAILED TO DEPLOY.
FRONT END COLLISION - AIRBAGS FAILED TO DEPLOY.
YES THIS [XXX] COMING TO YOU TO LET YOU KNOW THAT I WAS AND A CAR ACCIDENT I WAS STRUCK BY AND VEHICLE MADE BY OLDSMOBILE YEAR 1998 PLATE NO. STATE [XXX] I WAS ON MY WAY HOME FROM DOWN TOWN FEDERAL COURT I WAS RIDING DOWN [XXX] CRASH DATE 08/21/2018. I WAS AT THE RED LIGHT I ALSO HAD MY HAZARD LIGHTS ON ALSO NOW I WAS SITTING AT THE RED LIGHT WAITING FOR THE TRAFFIC LIGHT TO TURN GREEN NEXT THING I KNOW THE SENIOR CITIZEN THE GUY WHO HIT ME FROM BEHIND. NEXT THING I KNOW MY 2002 ML320 MERCEDES BENZ DID A WHOLE 360 DEGREE SPIN AROUND I DIDN'T PANIC I WAS JUST AND TOTAL SHOCK I GOT OUT THE CAR AND WALK TO THE CAR TO CHECK IN SEE WAS THE PERSON OKAY OR NOT BECAUSE I DIDN'T KNOW WHO WAS DRIVING THE CAR WHEN I LOOK IN REALIZE IT WAS A SENIOR CITIZEN I ASK HIM ARE YOU OKAY HE SAID YES BUT HE WAS KIND OF DAZE I NOTICE THE CAR WAS LEAKING REAL BAD SO I STOOD ALL THE WAY BACK FOR MY SAFETY REASON BECAUSE THE PERSON WHO HIT ME WHICH IS THE SENIOR CITIZEN STARED TO SMOKE SO I STOOD ALL THE WAY
YES THIS [XXX] COMING TO YOU TO LET YOU KNOW THAT I WAS AND A CAR ACCIDENT I WAS STRUCK BY AND VEHICLE MADE BY OLDSMOBILE YEAR 1998 PLATE NO. STATE [XXX] I WAS ON MY WAY HOME FROM DOWN TOWN FEDERAL COURT I WAS RIDING DOWN [XXX] CRASH DATE 08/21/2018. I WAS AT THE RED LIGHT I ALSO HAD MY HAZARD LIGHTS ON ALSO NOW I WAS SITTING AT THE RED LIGHT WAITING FOR THE TRAFFIC LIGHT TO TURN GREEN NEXT THING I KNOW THE SENIOR CITIZEN THE GUY WHO HIT ME FROM BEHIND. NEXT THING I KNOW MY 2002 ML320 MERCEDES BENZ DID A WHOLE 360 DEGREE SPIN AROUND I DIDN'T PANIC I WAS JUST AND TOTAL SHOCK I GOT OUT THE CAR AND WALK TO THE CAR TO CHECK IN SEE WAS THE PERSON OKAY OR NOT BECAUSE I DIDN'T KNOW WHO WAS DRIVING THE CAR WHEN I LOOK IN REALIZE IT WAS A SENIOR CITIZEN I ASK HIM ARE YOU OKAY HE SAID YES BUT HE WAS KIND OF DAZE I NOTICE THE CAR WAS LEAKING REAL BAD SO I STOOD ALL THE WAY BACK FOR MY SAFETY REASON BECAUSE THE PERSON WHO HIT ME WHICH IS THE SENIOR CITIZEN STARED TO SMOKE SO I STOOD ALL THE WAY
YES THIS [XXX] COMING TO YOU TO LET YOU KNOW THAT I WAS AND A CAR ACCIDENT I WAS STRUCK BY AND VEHICLE MADE BY OLDSMOBILE YEAR 1998 PLATE NO. STATE [XXX] I WAS ON MY WAY HOME FROM DOWN TOWN FEDERAL COURT I WAS RIDING DOWN [XXX] CRASH DATE 08/21/2018. I WAS AT THE RED LIGHT I ALSO HAD MY HAZARD LIGHTS ON ALSO NOW I WAS SITTING AT THE RED LIGHT WAITING FOR THE TRAFFIC LIGHT TO TURN GREEN NEXT THING I KNOW THE SENIOR CITIZEN THE GUY WHO HIT ME FROM BEHIND. NEXT THING I KNOW MY 2002 ML320 MERCEDES BENZ DID A WHOLE 360 DEGREE SPIN AROUND I DIDN'T PANIC I WAS JUST AND TOTAL SHOCK I GOT OUT THE CAR AND WALK TO THE CAR TO CHECK IN SEE WAS THE PERSON OKAY OR NOT BECAUSE I DIDN'T KNOW WHO WAS DRIVING THE CAR WHEN I LOOK IN REALIZE IT WAS A SENIOR CITIZEN I ASK HIM ARE YOU OKAY HE SAID YES BUT HE WAS KIND OF DAZE I NOTICE THE CAR WAS LEAKING REAL BAD SO I STOOD ALL THE WAY BACK FOR MY SAFETY REASON BECAUSE THE PERSON WHO HIT ME WHICH IS THE SENIOR CITIZEN STARED TO SMOKE SO I STOOD ALL THE WAY
"TAKATS RECALL" 1ST ISSUE I NOTICED IS WHEN I GAVE SOMEONE A JUMP OFF A DEAD CAR BATTERY. AS I WAS DRIVEN I NOTICED MY CAR BATTERY LIGHT CAME ON MEANING MY BATTERY WAS DECREASING POWER AND IT DID I WAS ON MY WAY HOME DRIVEN I NOTICED MY CAR LOSING POWER IN THE CAR SHUT COMPLETELY OFF SO I PULLED TO THE SIDE AND I CALLED SOMEONE TO GIVE ME A JUMP THE CAR STARTED BACK UP DROVE ABOUT 3, BLOCKS AND THE CAR SHUT COMPLETELY OFF AGAIN SO I PURCHASED A BRAND NEW BATTERY REPLACING THE OLD BATTERY WITH AN NEW ONE. GOT ANOTHER JUMP TO GIVE THE THE BATTERY SOME EXTRA JUICE. AFTER I RECEIVED THE JUMP I'M BACK ON THE ROAD. IN THE ANCIENT OCCUR AGAIN SO I CALLED SOMEONE TO GIVE ME A JUMP. THIS TIME THE CAR DIDN'T START. SO I HAD TO GET IT TOW HOME. GOT HOME DID SOME RESEARCH IN FOUND OUT IT WAS THE ALTERNATOR. REPLACE THE OLD ALTERNATOR WITH A NEW ONE. 2ND ISSUE I NOTICED AFTER I REPLACED THE OLD ALTERNATOR WITH THE NEW ONE I NOTICED MY TWO FANS BLOWER WILL CONTINUOUSLY RUN FOR HOURS WHEN I TAKE MY
"TAKATS RECALL" 1ST ISSUE I NOTICED IS WHEN I GAVE SOMEONE A JUMP OFF A DEAD CAR BATTERY. AS I WAS DRIVEN I NOTICED MY CAR BATTERY LIGHT CAME ON MEANING MY BATTERY WAS DECREASING POWER AND IT DID I WAS ON MY WAY HOME DRIVEN I NOTICED MY CAR LOSING POWER IN THE CAR SHUT COMPLETELY OFF SO I PULLED TO THE SIDE AND I CALLED SOMEONE TO GIVE ME A JUMP THE CAR STARTED BACK UP DROVE ABOUT 3, BLOCKS AND THE CAR SHUT COMPLETELY OFF AGAIN SO I PURCHASED A BRAND NEW BATTERY REPLACING THE OLD BATTERY WITH AN NEW ONE. GOT ANOTHER JUMP TO GIVE THE THE BATTERY SOME EXTRA JUICE. AFTER I RECEIVED THE JUMP I'M BACK ON THE ROAD. IN THE ANCIENT OCCUR AGAIN SO I CALLED SOMEONE TO GIVE ME A JUMP. THIS TIME THE CAR DIDN'T START. SO I HAD TO GET IT TOW HOME. GOT HOME DID SOME RESEARCH IN FOUND OUT IT WAS THE ALTERNATOR. REPLACE THE OLD ALTERNATOR WITH A NEW ONE. 2ND ISSUE I NOTICED AFTER I REPLACED THE OLD ALTERNATOR WITH THE NEW ONE I NOTICED MY TWO FANS BLOWER WILL CONTINUOUSLY RUN FOR HOURS WHEN I TAKE MY
"TAKATS RECALL" 1ST ISSUE I NOTICED IS WHEN I GAVE SOMEONE A JUMP OFF A DEAD CAR BATTERY. AS I WAS DRIVEN I NOTICED MY CAR BATTERY LIGHT CAME ON MEANING MY BATTERY WAS DECREASING POWER AND IT DID I WAS ON MY WAY HOME DRIVEN I NOTICED MY CAR LOSING POWER IN THE CAR SHUT COMPLETELY OFF SO I PULLED TO THE SIDE AND I CALLED SOMEONE TO GIVE ME A JUMP THE CAR STARTED BACK UP DROVE ABOUT 3, BLOCKS AND THE CAR SHUT COMPLETELY OFF AGAIN SO I PURCHASED A BRAND NEW BATTERY REPLACING THE OLD BATTERY WITH AN NEW ONE. GOT ANOTHER JUMP TO GIVE THE THE BATTERY SOME EXTRA JUICE. AFTER I RECEIVED THE JUMP I'M BACK ON THE ROAD. IN THE ANCIENT OCCUR AGAIN SO I CALLED SOMEONE TO GIVE ME A JUMP. THIS TIME THE CAR DIDN'T START. SO I HAD TO GET IT TOW HOME. GOT HOME DID SOME RESEARCH IN FOUND OUT IT WAS THE ALTERNATOR. REPLACE THE OLD ALTERNATOR WITH A NEW ONE. 2ND ISSUE I NOTICED AFTER I REPLACED THE OLD ALTERNATOR WITH THE NEW ONE I NOTICED MY TWO FANS BLOWER WILL CONTINUOUSLY RUN FOR HOURS WHEN I TAKE MY
TL* THE CONTACT OWNS A 2002 MERCEDES-BENZ ML320. THE CONTACT STATED THAT THE AIR CONDITIONER FAILED TO TURN OFF WHEN THE ENGINE WAS TURNED OFF. THE CONTACT ALSO STATED THAT THE VEHICLE WAS DIFFICULT TO START. THE CONTACT PURCHASED AND INSTALLED A NEW ALTERNATOR; HOWEVER, THE VEHICLE FAILED TO START. THE BATTERY WAS ALSO REPLACED, BUT THE ENGINE STILL TOOK SEVERAL ATTEMPTS TO START. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT SCHEDULED AN APPOINTMENT WITH PRIME TIME NISSAN OF SCHERERVILLE (1301 INDIANAPOLIS BLVD, SCHERERVILLE, IN 46375) FOR DIAGNOSTIC TESTING AND REPAIRS. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS UNKNOWN.
MAJOR STEERING PROBLEMS
I WAS DRIVING ON A BUSY INTERSECTION IN MY 2002 MERCEDES BENZ ML320 WHEN DRIVING THE YELLOW TRIANGLE IN THE SPEEDOMETER STARTS TO FLASH AND ALL THE BREAKS LOCK UP, THIS IS FOLLOWED BY A STALL, THANKFULLY I WAS ABLE TO PULL OFF TO THE SIDE OF THE ROAD WITHOUT BEING HIT. AFTER DOING SOME RESEARCH I DISCOVERED THAT MANY MERCEDES ML320 OWNERS WERE HAVING THIS SAME PROBLEM. SPECIFICALLY THE YAW RATE SENSOR. THIS IS A SERIOUS LIFE THREATENING ISSUE THAT CAN INJURE OR WORSE YET KILL SOMEONE. YOU GUYS NEED TO DO A RECALL BEFORE SOMEONE DIES!
Mileage: 106,500
I WAS DRIVING ON A BUSY INTERSECTION IN MY 2002 MERCEDES BENZ ML320 WHEN DRIVING THE YELLOW TRIANGLE IN THE SPEEDOMETER STARTS TO FLASH AND ALL THE BREAKS LOCK UP, THIS IS FOLLOWED BY A STALL, THANKFULLY I WAS ABLE TO PULL OFF TO THE SIDE OF THE ROAD WITHOUT BEING HIT. AFTER DOING SOME RESEARCH I DISCOVERED THAT MANY MERCEDES ML320 OWNERS WERE HAVING THIS SAME PROBLEM. SPECIFICALLY THE YAW RATE SENSOR. THIS IS A SERIOUS LIFE THREATENING ISSUE THAT CAN INJURE OR WORSE YET KILL SOMEONE. YOU GUYS NEED TO DO A RECALL BEFORE SOMEONE DIES!
Mileage: 106,500
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.