42 of the
194 complaints filed about the Mercedes Benz ML430
are about the braking system —
22% of everything owners reported.
The worst model year for it is 2001.
Was driving 50 miles per hour when the car slammed on the brakes, nearly getting me rear ended. The throttle would not respond until the car was doing maybe5 miles per hour - on an interstate! The BAS/ESP light was on solid. I got onto an off ramp, called the dealer, was told it could be several causes, drove home carefully, and took it to the dealer. The dealer found nothing. Several times since, the car was being driven at speeds in the 20-30 miles per hour range, and the system would slam on the brakes and pull hard to the left. I could smell the brake dust in the car. Other times, it will ALMOST engage (ESP light flashes as well) then backs off.
NHTSA complaint #11637080 — an unverified report by a vehicle owner.
Problem is with the BAS/ABS. The problem was confirmed by two (2) separate drivers of the vehicle in question. The problem occurred on 4 or 5 separate occasions, all within the last 120 days. The BAS/ABS light on the dashboard indicated random conditions (off when first starting the engine, then on after approximately 1 to 2 minutes). Regardless of the BAS/ABS light status the vehicle appeared to be operating normally. Then suddenly without warning the brakes jammed on pulling hard to the right, then to the left. The problem occurs randomly at various speeds. Speeds as lows 3 to 5 MPH. Other times at highway speeds often in heavy traffic. On each occasion, cars following behind, and on each side had to take evasive action to prevent a collision. The vehicle has yet to be inspected by the dealer or independent service center. I'm afraid to drive the car and don't want to pay for towing.
NHTSA complaint #11516125 — an unverified report by a vehicle owner.
I have 2000 ML 430. When I drive my car once a while brakes will engage without the warning, no matter how fast or slow I go. It is a very scarry situation.. The shop I went to replaced the ABS module and the problem went away for about 6 months. After that I have experienced one more hard braking but again everything went to "normal". I do take good care of mine old ML 430 and the car is in in excellent condition,, so lack of proper maintenance is not an issue here. No matter what it is, I drive my car with both hands on the steering wheel since. I have posted a thread about this in Facebook and other Mercedes Benz Forums and asked how many others have experienced this brakes locking issue, and it is not a good outlook. There are so many instances where people have had near collisions and rear-endings. Some people have been in collisions because of this. The problem exists in older and newer cars as well. Too many instances for my liking. I'm not sure there are some instances that caused death we don't even know about. This is alarming issue. I thought I was the only one having this problem but apparently a lot of MB owners are dealing with that. Why Mercedes Benz does not have a recall? Why they are ignoring this? I do not feel safe driving the car and do not let any members of my family use the car anymore. Since this happened to me on several occasions I am the only one who kind of "knows" how to handle the car when it happens. Scarry and outrages. I hope you can investigate the issue and help us resolving this dangerous situation. Thank you.
NHTSA complaint #11443511 — an unverified report by a vehicle owner.
WHILE DRIVING AT 60 MILES PER HOUR ON EXPRESSWAY, CAR SUDDENLY BRAKED ON ONLY THE LEFT FRONT WHEEL. BRAKING WAS A SEVERE PUMPING THAT LASTED ABOUT 2 SECONDS. WAS ABLE TO MOVE OFF TO THE SIDE OF THE ROAD ONTO AN EXIT RAMP WITHOUT CAUSING AN ACCIDENT. FORTUNATELY TRAFFIC WAS NOT HEAVY AND CARS BEHIND ME WERE ABLE TO AVOID HITTING ME AS THE CAR BUCKED AND I MOVED TO THE SIDE OF TH ROAD ONTO AN EXIT RAMP. I STOPPED TO SEE WHAT MAY HAVE HAPPENED. NOTING NOTHING RELATED TO THE LEFT RONT WHEEL, I EXITED THE EXIT RAMP AND PROCEEDED DOWN A SIDE STREET AT AB OUT 35 MPH WHEN SUDDENLY THE LEFT FRONT WHEEL BRAKED AGAIN. I TURNED OFF THE ESP ELECTRONIC STABILITY FUNCTION AND PROCEEDED SLOWLY DOWN THE ROAD. NOTING NO FURTHER INCIDENT, I EVENTUALLY GOT BACK ON THE EXPRESSWAY AND PROCEEDED HOME WITH NO FURTHER INCIDENT.
NHTSA complaint #11046947 — an unverified report by a vehicle owner.
RE: 2001 MB ML430 ELECTRONIC BRAKING SENSOR THE FRONT PASSENGER BRAKE INITIALLY LOCKED UP AT LOW SPEED UPON ACCELERATION. AFTER STOPPING AND TURNING THE VEHICLE OFF AND BACK ON THE SYSTEM WAS BACK TO NORMAL. THEN ONE DAY I WAS TRAVELING AT NEAR 70 MPH IN THE PASSING LANE OF AN INTERSTATE HIGHWAY WHEN THE FRONT DRIVER BRAKE LOCKED UP AND BRAKE TIRE SMOKE BILLOWED FROM MY VEHICLE WHICH CAUSED TRAFFIC BEHIND ME TO SWERVE AND BRAKE BEHIND AND ON THE SIDE OF ME. I PROCEEDED TO PULL OFF ONTO THE SHOULDER OF THE HIGHWAY AND TURNED MY VEHICLE OFF AND BACK ON, AFTER WHICH MY VEHICLE OPERATED NORMALLY. I PROCEEDED TO DO AN ONLINE SEARCH AND LEARNED THAT THIS WAS A COMMON SORT OF PROBLEM FOR THIS MODEL.. PARTICULARLY AT LOW SPEEDS. IN MY CASE IT HAPPENED AT LOW SPEEDS AND THEN THE ONE TIME AT 70 MPH. I LEARNED THAT THE YAW SENSOR WHICH IS PART OF THE ABS SYSTEM WAS COMMONLY REPORTED AS THE LIKELY CAUSE OF THE PROBLEM.. I PROCEEDED TO DISCONNECT THE YAW SENSOR AND HAVE HAD NO FURTHER PROBLEMS. I AM FORTUNATE THAT IT WAS NOT A RAINY DAY, OTHERWISE THE RESULTS MAY HAVE BEEN CATASTROPHIC WITH SO MANY VEHICLES BEHIND ME AND TRAVELING AT SUCH A HIGH SPEED. THEYAW SENSOR MB PART # IS A 002 542 94 18 Q01 SYSTRON DONNER INERTIA DIVISION USA
NHTSA complaint #11035778 — an unverified report by a vehicle owner.
TWICE NOW WHILE DRIVING AND GOING OVER MINOR BUMPS (DOTS ON THE ROAD TO WARN OF CROSSWALKS AND A DRIVEWAY ENTRANCE CURB) THE BAS/ESP AND HAZARD LIGHTS HAVE COME ON AND THE CAR HAS AUTOMATICALLY APPLIED VIOLENT BREAKING THAT TOOK CONTROL OF THE DIRECTION THE CAR WAS HEADING. THIS BREAKING CONTINUED UNTIL THE VEHICLE CAME TO A COMPLETE STOP. BOTH TIMES THE CAR WAS GOING LESS THAN 20 MPH, BUT CONTROL OF THE CAR WAS LIMITED DURING THE EVENT. AT FREEWAY SPEEDS, IT WOULD BE VERY LIKELY TO CAUSE AN ACCIDENT. BAS/ESP LIGHT TURNS OFF AFTER THE CAR IS TURNED OFF.
NHTSA complaint #11022910 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2000 MERCEDES-BENZ ML430. WHILE DRIVING 30 MPH, THE POWER STEERING, EST, AND ABS WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF PITTSBURGH (4709 BAUM BLVD, PITTSBURGH, PA 15213) WHERE IT WAS DIAGNOSED, BUT NO CODES WERE POPULATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE FAILURE MILEAGE WAS 172,000. UPDATED 11/03/17*LJ THE CONSUMER PROVIDED CODES C114214 AND C114209 UPDATED 12/1/2017
NHTSA complaint #11022735 — an unverified report by a vehicle owner.
VEHICLE'S FRONT WHEEL BRAKES BY ITSELF WHILE DRIVING AND THE EPS WARNING LIGHT COMES ON AFTERWARDS. EXTREMELY DANGEROUS IN HIGHWAY DRIVING. HAD THE BRAKES CHECKED, BUT NOTHING WRONG. ONLINE COMPLAINTS SUGGESTS A FAILURE IN YAW RATE SENSOR.
NHTSA complaint #11005565 — an unverified report by a vehicle owner.
I WAS DRIVING ON THE HIGHWAY, GOING ABOUT 60 MPH, AND THE CAR SUDDENLY STARTED APPLYING THE BRAKES ON ITS OWN. NEARLY GOT ME INTO AN ACCIDENT. I WAS ABLE TO GET OVER TO THE SHOULDER LUCKILY. I HAD MY TODDLER IN THE CAR AND IT WAS A VERY SCARY THING. WHEN THE BRAKES STARTED ENGAGING BY ITSELF, A YELLOW TRIANGLE WARNING LIGHT DISPLAYED ON THE DASH FOLLOWED BY THE BAS/ESP LIGHT AFTER THE VEHICLE CAME TO A COMPLETE STOP. I HAVE SEEN OTHERS THAT HAVE HAD THIS VERY SAME ISSUE AND SEEMS TO BE THE YAW RATE SENSOR. I AM SHOCKED THIS HASN'T BEEN RECALLED WITH ALL THE ISSUES I'VE READ ON THIS. I BARELY JUST BOUGHT THE CAR AND IT'S ALREADY NOT DRIVABLE. VERY HUGE SAFETY ISSUE.
NHTSA complaint #10991966 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2000 MERCEDES-BENZ ML430. WHILE DRIVING VARIOUS SPEEDS, THE ABS ENGAGED WITHOUT WARNING AND CAUSED THE VEHICLE TO SLIDE. THE CONTACT STATED THAT THE BRAKE AND ACCELERATOR PEDAL FAILED TO FUNCTION WHEN THE FAILURE OCCURRED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE O-SENSOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 137,000.
NHTSA complaint #10896050 — an unverified report by a vehicle owner.
ON 3 SEPERATE OCCASIONS, WHILE DRIVING MERCEDES BENZ ML430, AT EITHER SLOW SPEED OR 50+ MPH, BRAKES AUTOMATICALLY STOP THE CAR AND SKID THE TIRES. I HAVE ALMOST BEEN HIT BY 5 CARS AT ONE TIME BECAUSE I WAS UNABLE TO MOVE. TODAY, 8/15/16, WHILE TRAVELING AT A SPEED OF 25 MPH, IT HAPPENED AGAIN. ITS A VERY SCARY SITUATION, ESPECIALLY WHEN YOU HAVE A BABY IN YOUR BACK SEAT. THE CHANCES OF GETTING REAR ENDED OR HIT BY TRAFFIC IS A HUGE CONCERN. WHY HAS THERE NOT BEEN A RECALL ON THIS?!?! I HAVE DONE MY RESEARCH AND THERE HAVE BEEN HUNDREDS UPON HUNDREDS OF COMPLAINTS FOR THE SAME EXACT THING. IT IS GOING TO COST OVER 1,000$ TO HAVE THIS ISSUE FIXED, WHEN, IF IT KEEPS HAPPENING TO OTHERS, WHY SHOULD IT BE MY RESPONSIBILITY?!?! RECALL THIS ALREADY!! BEFORE SOMEBODY GETS SEVERLY INJURED, OR, GOD FORBID, A DEATH OCCURS!! COME ON, GET YA'LLS ACTS TOGETHER. THE ROADS ARE DANGEROUS ENOUGH!!!
NHTSA complaint #10896063 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2001 MERCEDES BENZ ML430. THE CONTACT STATED THAT THE SERVICE ENGINE AND THE BAS ESP WARNING LIGHTS FLICKERED. THE CONTACT MENTIONED THAT WHEN THE WARNING LIGHTS ILLUMINATED, THE BRAKES ENGAGED AND THERE WAS AN ABNORMAL NOISE. IN ADDITION, THE ELECTRIC POWER DOOR LOCK FUNCTION WAS MAKING AN ABNORMAL NOISE. THE CONTACT DISCOVERED THAT THE A/C LINE FRACTURED AND THE WINDSHIELD WIPERS PLASTIC PIECE FRACTURED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 11V208000 (VEHICLE SPEED CONTROL). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 186,675. UPDATED 11/23/15*LJ THE CONSUMER FIXED THE VEHICLE AT HIS/HER EXPENSE. UPDATED 01/29/16.
NHTSA complaint #10762937 — an unverified report by a vehicle owner.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS
2001 MERCEDES BENZ ML 430. CONSUMER WRITES IN REGARDS TO VEHICLE BRAKE PEDAL ISSUES. *SMD THE CONSUMER STATED THE BRAKE PEDAL LOST PRESSURE DUE TO THE FUEL TUBE COMING IN CONTACT WITH THE BRAKE LINE. THE BRAKE LINE WAS LEAKING FLUID.
NHTSA complaint #10746348 — an unverified report by a vehicle owner.
I WAS DRIVING ON INTERSTATE 285 EAST AT A SPEED OF 70MPH SUDDENLY THE THE BAS/ESP WARNING LIGHT CAME ON AND MY CAR AUTOMATICALLY APPLIED BRAKES AND THE CAR COULDN'T RUN. SO I TURNED OF THE ENGINE AND STARTED THE CAR AGAIN AND EVERYTHING WENT BACK TO NORMAL EXCEPT THE CRUISE CONTROL STOPPED WORKING AND BAS/ESP WARING LIGHTS ARE STILL ON BUT THE CAR IS RUNNING. HOW DO I FIX THE CRUISE CONTROL AND THE BAS/ESP WARNING LIGHTS?
NHTSA complaint #10715649 — an unverified report by a vehicle owner.
I WAS DRIVING AT ABOUT 35 MPH AND ALL OF A SUDDEN I HEARD SCREECHING SOUND FROM MY TIRES AND THE ORANGE TRIANGLE WARNING LIGHT IN MY DASH LIGHT UP. I PULLED OVER AND SHUT OFF THE ENGINE. I NOTICES TIRE SKID MARKS FROM ON THE PASSENGER SIDE. AFTER A FEW MINUTES I STARTED AND DROVE AND THE CAR DROVE NORMAL. THIS SAME THING HAPPENED TO MY WIFE ALSO. BASICALLY IT IS LIKE APPLYING THE BRAKES HARD WHILE DRIVING BUT WITH OUT EVEN TOUCHING THE BRAKE.
NHTSA complaint #10547866 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2001 MERCEDES-BENZ ML430. THE CONTACT STATED THE ABS HYDRAULIC UNIT SYSTEM MALFUNCTIONED. THE CONTACT STATED THAT WHILE DRIVING 30 MPH, THE ABS WARNING LIGHT ILLUMINATED AS THE BRAKING SYSTEM INDEPENDENTLY ACTIVED. THE CONTACT HAD TO PULL OVER TO THE SIDE OF THE ROAD AND SHUT THE VEHICLE OFF. THE CONTACT RESTARTED THE VEHICLE AND THE BRAKING SYSTEM WAS WORKING NORMAL. THE CONTACT CALLED THE DEALER REGARDING THE ABS SYSTEM. THE DEALER STATED THE ABS HYDRAULIC UNIT NEEDED TO BE REPLACED. THE FAILURE MILEAGE WAS 175,000. THE VIN WAS NOT AVAILABLE.
NHTSA complaint #10521433 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2001 MERCEDES BENZ ML430. THE CONTACT STATED THAT WHEN DRIVING FROM 50 TO 80 MPH, THE VEHICLE BRAKES WOULD SPORADICALLY ENGAGE INDEPENDENTLY AND WITHOUT WARNING. THERE WERE SEVERAL WARNING LIGHTS ILLUMINATED AFTER THE FAILURE OCCURRED. THE VEHICLE AS TAKEN TO A DEALER WHERE A DIAGNOSTIC WAS PERFORMED; HOWEVER, THE CAUSE OF THE FAILURE WAS UNDETERMINED BASED ON THE FAILURE CODES PROVIDED BY THE DIAGNOSTIC. THE FAILURE LATER RECURRED WHILE THE CONTACT WAS DRIVING 50 MPH. AS A RESULT, ANOTHER VEHICLE CRASHED INTO THE REAR OF THE CONTACT'S VEHICLE. THERE WERE NO INJURIES. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 102,000. THE VIN WAS NOT AVAILABLE.
NHTSA complaint #10509722 — an unverified report by a vehicle owner.
2000 MERCEDES BENZ ML-430. CONSUMER WRITES IN REGARDS TO BRAKE MALFUNCTION WHILE DRIVING VEHICLE. *SMD THE CONSUMER DISCOVERED THERE WAS A RECALL ON THE BRAKES AND HAD THE ISSUE ADDRESSED. HOWEVER, SHE FELT THERE WAS STILL A PROBLEM. THE CONSUMER STATED ABS, SRS, BAS, ESP AND ETS LIGHTS ILLUMINATED ON THE DASHBOARD, AND THE BRAKES LOCKED UP AND THE SHE HAD NO CONTROL OVER THE VEHICLE. SOME OF THE LIGHTS WENT OUT, WHILE SOME HAVE REMAINED ON.
NHTSA complaint #10498921 — an unverified report by a vehicle owner.
ON FRIDAY (09-28-2012 02:35 PM), I WAS DRIVING AND ABOUT 30 MILES NE OF DALLAS, TX, I WAS TRAVELING ON SOUTH BOUND HIGHWAY 75. I WAS IN THE CENTER LANE OF A THREE LANE HWY 75 SOUTH BOUND AND I HAD THE CRUISE CONTROL SET AT 65 MPH. ALL THE SUDDEN, MY SUV STARTED BRAKING AND I SAW THE SPEEDOMETER DROP FROM 65 DOWN AND I COULD HEAR MY TIRES CATCHING AS IT WAS BRAKING BUT I DID NOT KNOW WHAT WAS GOING ON WITH MY VEHICLE. I TRIED THE GAS PEDAL TWICE BUT NO RESPONSE AND I SWITCHED ON MY HAZARD LIGHTS. LUCKILY THE MINIVAN BEHIND ME WAS ABLE TO REDUCE SPEED AND AS I WATCHED THE SPEEDOMETER NEEDLE DROP BELOW 20 MPH, MY SUV QUIT BREAKING. I WAS ABLE TO OPERATE THE VEHICLE (PER USUAL) AND EXITED OFF THE FIRST CHANCE I GOT. I PULLED INTO A PARKING LOT AND CALLED MY MERCEDES MECHANIC ASKING IF HE KNEW WHAT MIGHT HAVE CAUSED THE PROBLEM I JUST EXPERIENCED. I MENTIONED THAT THE DRIVERS INSTRUMENT PANEL SHOWED THE BAS/ESP INDICATOR LIGHT. MY MECHANIC ASKED IF MY SUV WAS WORKING OKAY AND IF SO, HE RECOMMENDED I TURN AROUND AND HEAD BACK TO TULSA. I GOT BACK WITH NO SUDDEN BREAKING PROBLEMS AND TOOK MY SUV INTO THE SHOP ON MONDAY (10-01-2012 08:00 AM). I GOT IT BACK LATER THAT AFTERNOON AND THEY NOTED THE REPAIR REASON WAS THEY HAD REINITIALIZED THE YAW SENSOR. I DID A GOOGLE SEARCH AND FOUND YOUR WEBSITE DESCRIBING MY EXPERIENCE EXACTLY AND I CAN SAY MY SUDDEN BREAKING EXPERIENCE WAS MORE THAN .03 SECONDS.
NHTSA complaint #10478258 — an unverified report by a vehicle owner.
WHILE DRIVING VEHICLE A 45 MPH AT 5PM IN TRAFFIC, VEHICLE AUTOMATICALLY STARTED ENGAGING BRAKES IN A JERKING MOTION, REPEATEDLY, SUBSEQUENTLY COMING TO A COMPLETE STOP. SMOKE WAS COMING FROM TIRE AREA. THIS HAS HAPPENED REPEATEDLY AND VEHICLE WAS BEING DRIVEN BY MY 16 YEAR OLD. FORTUNATELY, THIS HAS NOT CAUSED AN ACCIDENT. AFTER MUCH RESEARCH, I HAVE FOUND THIS HAS HAPPENED TO SEVERAL OTHER PEOPLE OVER A PERIOD OF TIME IN MERCEDES BENZ'S. THIS IS A SERIOUS SAFETY CONCERN.
NHTSA complaint #10461089 — an unverified report by a vehicle owner.