Total Complaints
258 filings
MERCEDES-BENZ ML320 · model year
258 NHTSA complaints, 26 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2000MERCEDES-BENZML320 carries 258 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 26 crashes, 6 fires, 39 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 2000 ML320 is steering with 19 filings, followed by steering:hydraulic power assist:hose, piping, and connections (19) and electronic stability control (esc) (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 2000 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
258 filings
Crashes Reported
26 reports
Source
NHTSA ODI
Federal complaints database
Above median complaint volume — review patterns below.
| Component | Count |
|---|---|
| STEERING | 19 |
| STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS | 19 |
| ELECTRONIC STABILITY CONTROL (ESC) | 15 |
| SERVICE BRAKES | 15 |
| AIR BAGS | 11 |
| ELECTRICAL SYSTEM | 11 |
| SERVICE BRAKES, HYDRAULIC | 11 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 10 |
| VEHICLE SPEED CONTROL | 9 |
| ENGINE AND ENGINE COOLING:ENGINE | 8 |
| ENGINE AND ENGINE COOLING | 8 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR | 6 |
| STEERING:HYDRAULIC POWER ASSIST SYSTEM | 5 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 4 |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 4 |
I was driving full freeway speed when the brake assist system suddenly engaged which slammed on my brakes immediately and sent me skidding all over the freeway trying to maintain control of the vehicle and not crash into anything. All the while the cars behind me had to veer out of the way. Several accidents were almost caused by this incident. This safety feature is now a safety hazard. This should never ever happen. This I'd comparable to an airbag suddenly deploying while driving. An absolutely terrifying experience. The bas fct light came on which is how I learned of the brake assist system. This problem is repeatable because it happened 2 more times as I had to get my vehicle home but luckily I didn't date take the freeway again. Problem just started 5/7/23 without any warning at all.
Hard braking suddenly activated without driver input, smoke coming from front wheels. YAW SENSOR malfunction indicated by OBD scanner (checked after incident)
I BOUGHT THIS VEHICLE FROM THE AUCTION IN ALGONA NAMED WHITEY'S PUBLIC AUTO AUCTION AND THAT VERY DAY I HAD TO PUT POWER STEERING FLUID IN BECAUSE THERE WAS A LEAK AND IT WAS DIFFICULT TO TURN. I'VE HAD THE POWER STEERING PUMP REPLACED AND IT CONTINUES TO LEAK. I GOT ON THE INTERNET AND STARTED TO RESEARCH AND FOUND OUT ABOUT THE RECALL.
Mileage: 220,000
I BOUGHT THIS VEHICLE FROM THE AUCTION IN ALGONA NAMED WHITEY'S PUBLIC AUTO AUCTION AND THAT VERY DAY I HAD TO PUT POWER STEERING FLUID IN BECAUSE THERE WAS A LEAK AND IT WAS DIFFICULT TO TURN. I'VE HAD THE POWER STEERING PUMP REPLACED AND IT CONTINUES TO LEAK. I GOT ON THE INTERNET AND STARTED TO RESEARCH AND FOUND OUT ABOUT THE RECALL.
Mileage: 220,000
STEERING IS HARD TO TURN. OVER HEATS AND WILL NOT KEEP COOLINAT DOWN
Mileage: 219,444
STEERING IS HARD TO TURN. OVER HEATS AND WILL NOT KEEP COOLINAT DOWN
Mileage: 219,444
STEERING IS HARD TO TURN. OVER HEATS AND WILL NOT KEEP COOLINAT DOWN
Mileage: 219,444
THE METHOD IN WHICH A FUEL TANK IS FASTENED TO THE VEHICLE CHASSIS USES A STEEL STRUT TO SUPPORT A SERIES OF STAINLESS STEEL STRAPS. THE DISSIMILARITY IN METALS USED IN FASTENING THE HARDWARE OF BOTH COMBINED WITH EXPOSURE TO THE ELEMENTS WILL CAUSE THE STRUT TO CORRODE WITHOUT WARNING AND THE FUEL TANK TO DROP ONTO THE ROADWAY WITHOUT PRIOR SYMPTOMS OR WARNING. THE CORROSION AT THE CRITICAL FASTING POINTS IS NOT OBVIOUS WITH ROUTINE INSPECTION. WITH MANY OF THESE VEHICLES MANUFACTURED FROM 1998 THROUGH 2005 STILL ON THE ROAD TODAY, OWNERS SHOULD BE MADE AWARE OF THIS POTENTIAL SAFETY ISSUE.
Mileage: 235,000
SRS. ETS. ABA LIGHTS ON. BUZZING. *TR
Mileage: 195,000
SRS. ETS. ABA LIGHTS ON. BUZZING. *TR
Mileage: 195,000
SRS. ETS. ABA LIGHTS ON. BUZZING. *TR
Mileage: 195,000
AS I NOTICED IN OTHER COMPLAINTS THEY ALL FOCUS IN THE POWER STEERING ISSUES, FUEL / OIL LEAKS AND LOSS, ESP OPTION , ELECTRICAL MAIL FUNCTIONS THAT RELATE WITH THE ECU, PROBLEM WITH THE SHIFTER. ALL THESE ARE SAFETY CONCERNS SINCE ALL THE ABOVE PROBLEMS CAN CAUSE AN ACCIDENT . I HAVE THE SAME PROBLEMS IN MY CAR AND IT IS REALLY DIFFICULT TO OPERATE THE VEHICLE. THE POWER STEERING IS NOT WORKING AS THE CAR IS NOT IN SPEED MOTION UNLESS YOU USE STRENGTH TO TURN THE WHEEL , THE ESP IS NOT WORKING AT ALL , THE SHIFTER IS NOT CHANGING TO DRIVE UNLESS YOU OVERRIDE IT AND THAT'S THE ONLY WAY TO START IT AND THE FUEL ALONG WITH THE OIL IS LEAKING AND ALL THE FLUIDS ARE DISAPPEARING IN NO TIME . ALL THESE ARE SAFETY HAZARDS AND NOT JUST A SIMPLE PROBLEM . THERE SHOULD HAVE BEEN A REPAIR FOR ALL OF THESE ISSUES ASAP FREE OF CHARGE FROM MERCEDES FOR THE OWNERS OF THE PARTICULAR DEFECTIVE VEHICLES . THANK YOU IN ADVANCE
Mileage: 25
AS I NOTICED IN OTHER COMPLAINTS THEY ALL FOCUS IN THE POWER STEERING ISSUES, FUEL / OIL LEAKS AND LOSS, ESP OPTION , ELECTRICAL MAIL FUNCTIONS THAT RELATE WITH THE ECU, PROBLEM WITH THE SHIFTER. ALL THESE ARE SAFETY CONCERNS SINCE ALL THE ABOVE PROBLEMS CAN CAUSE AN ACCIDENT . I HAVE THE SAME PROBLEMS IN MY CAR AND IT IS REALLY DIFFICULT TO OPERATE THE VEHICLE. THE POWER STEERING IS NOT WORKING AS THE CAR IS NOT IN SPEED MOTION UNLESS YOU USE STRENGTH TO TURN THE WHEEL , THE ESP IS NOT WORKING AT ALL , THE SHIFTER IS NOT CHANGING TO DRIVE UNLESS YOU OVERRIDE IT AND THAT'S THE ONLY WAY TO START IT AND THE FUEL ALONG WITH THE OIL IS LEAKING AND ALL THE FLUIDS ARE DISAPPEARING IN NO TIME . ALL THESE ARE SAFETY HAZARDS AND NOT JUST A SIMPLE PROBLEM . THERE SHOULD HAVE BEEN A REPAIR FOR ALL OF THESE ISSUES ASAP FREE OF CHARGE FROM MERCEDES FOR THE OWNERS OF THE PARTICULAR DEFECTIVE VEHICLES . THANK YOU IN ADVANCE
Mileage: 25
AS I NOTICED IN OTHER COMPLAINTS THEY ALL FOCUS IN THE POWER STEERING ISSUES, FUEL / OIL LEAKS AND LOSS, ESP OPTION , ELECTRICAL MAIL FUNCTIONS THAT RELATE WITH THE ECU, PROBLEM WITH THE SHIFTER. ALL THESE ARE SAFETY CONCERNS SINCE ALL THE ABOVE PROBLEMS CAN CAUSE AN ACCIDENT . I HAVE THE SAME PROBLEMS IN MY CAR AND IT IS REALLY DIFFICULT TO OPERATE THE VEHICLE. THE POWER STEERING IS NOT WORKING AS THE CAR IS NOT IN SPEED MOTION UNLESS YOU USE STRENGTH TO TURN THE WHEEL , THE ESP IS NOT WORKING AT ALL , THE SHIFTER IS NOT CHANGING TO DRIVE UNLESS YOU OVERRIDE IT AND THAT'S THE ONLY WAY TO START IT AND THE FUEL ALONG WITH THE OIL IS LEAKING AND ALL THE FLUIDS ARE DISAPPEARING IN NO TIME . ALL THESE ARE SAFETY HAZARDS AND NOT JUST A SIMPLE PROBLEM . THERE SHOULD HAVE BEEN A REPAIR FOR ALL OF THESE ISSUES ASAP FREE OF CHARGE FROM MERCEDES FOR THE OWNERS OF THE PARTICULAR DEFECTIVE VEHICLES . THANK YOU IN ADVANCE
Mileage: 25
ONGOING ISSUE THAT IS SOMETIMES DIFFICULT TO REPLICATE. VEHICLE WILL SUDDENLY DIE WHILE DRIVING OR IDLING, WITHOUT WARNING, AND TAKE APPROXIMATELY 20 MINUTES TO RESTART. IGNITION WILL SOMETIMES STICK AND NOT START. VEHICLE ALMOST CRASHED INTO ANOTHER VEHICLE IN ONE INSTANCE WHERE SUDDEN LOSS OF POWER OCCURRED WHILE APPROACHING STOP LIGHT.
Mileage: 136,700
ONGOING ISSUE THAT IS SOMETIMES DIFFICULT TO REPLICATE. VEHICLE WILL SUDDENLY DIE WHILE DRIVING OR IDLING, WITHOUT WARNING, AND TAKE APPROXIMATELY 20 MINUTES TO RESTART. IGNITION WILL SOMETIMES STICK AND NOT START. VEHICLE ALMOST CRASHED INTO ANOTHER VEHICLE IN ONE INSTANCE WHERE SUDDEN LOSS OF POWER OCCURRED WHILE APPROACHING STOP LIGHT.
Mileage: 136,700
MY POWER STEERING GOES OUT ALOT AND AS WELL LEAK ONTO THE GROUND I FIND IT VERY HARD TO STEER MY CAR AT TIMES . THE POWER STEERING FLUID DOESN'T LAST VERY LONG IT'S BEEN FIXED 1 AND THE PROBLEM PERSIST .
DIFFICULT TURNING LEFT OR RIGHT. USES LOT OF FORCE TO MOVE THE STELRING
Mileage: 178,888
TAKATA RECALL I JUST BOUGHT A 2000 MERCEDES ML 320. MY AC STOPPED WORKING AND TOOK IT TO A MERCEDES CERTIFIED MECHANIC. TOLD ME IT WAS A PRESSURE SENSOR. HE THEN CALLED ME BACK AND TOLD ME THAT THE WIRING HARNESS HAD FALLEN APART AND ALL WIRES WERE TOUCHING EACH OTHER MAKING SHORTS THRU OUT THE CAR. HE TOLD ME THAT THE SHORTS HAD FRIED MY COMPUTER AND THE ONLY WAY TO FIX ALL THIS WAS TO REPLACE THE WIRING HARNESS. AT ALMOST $2000.00 FOR THE REPAIR IT SEEMS THAT MERCEDES INTENTIONALLY DID THIS TO MAKE MONEY. THEY SHOULD BE HELD ACCOUNTABLE TO REPAIR THIS ISSUE AS THEY DID IT SO THE WIRING HARNESS WOULD BIO DEGRADE WHEN THE CAR WAS JUNKED. NOT A GOOD PRACTICE TO SELL CARS IN THE UNITED STATES.
Mileage: 169,780
2000 MERCEDES BENZ ML320. CONSUMER WRITES IN REGARDS TO CRACKED EXHAUST SYSTEM AND CRACKED CATALYTIC CONVERTER. *LD THE CONSUMER STATED THE VEHICLE WAS VISUALLY INSPECTED AND DOCUMENTED THAT RECALL REPAIR WAS COMPLETED. NO REPAIRS WERE MADE. *JS
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.