RoadVitals

2000 Mercedes-Benz M Class Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
25
Latest May 26, 2012
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
9
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
1

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2000 Mercedes-Benz M Class, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Steering827.6%
  • Brakes827.6%
  • Driver assistance724.1%
  • Fuel system13.4%
  • Interior & seats13.4%
  • Transmission13.4%
  • Visibility13.4%
  • Electrical13.4%
  • Engine13.4%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Steering

Reports naming the steering system — racks, columns, power-steering assist and steering linkage.

8
reports

From owner reports, verbatim

TL*THE CONTACT OWNS A 2000 MERCEDES BENZ ML. IN DECEMBER OF 2008, THE CONTACT TOOK THE VEHICLE TO THE DEALER TO HAVE IT REPAIRED ACCORDING TO NHTSA CAMPAIGN ID NUMBER 08V465000 (STEERING: HYDRAULIC POWER ASSIST: HOSE, PIPING). AFTER THE REPAIR, HE NOTICED THAT THE VEHICLE WAS STILL LEAKING FLUID. THE DEALER STATED THAT IF HE BROUGHT THE VEHICLE BACK, HE WOULD BE CHARGED FOR THE REPAIR. THE MANUFACTURER STATED THAT THEY WOULD CALL HIM BACK, BUT THEY NEVER DID. ON MARCH 26, 2009, WHILE DRIVING APPROXIMATELY 50 MPH, THE VEHICLE PULLED TO THE RIGHT AND THE CONTACT LOST CONTROL OF THE STEERING. THE VEHICLE VEERED TO THE SIDE OF THE ROAD AND WAS TOWED TO A REPAIR SHOP. THE MECHANIC FOUND THAT THE POWER STEERING FLUID WAS LEAKING ON THE BELTS AND CAUSED THE STEERING TO FAIL. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 80,000 AND CURRENT MILEAGE WAS 100,000.

NHTSA ID 10263170 · filed Mar 26, 2009

THIS COMPLAINT ARISES OUT OF NHTSA CAMPAIGN ID NUMBER 08V465000 (MOST RECENT) INVOLVING A DEFECTIVE HOSE AND CLAMP ASSOCIATED WITH THE POWER STEERING. I AM WAITING TO HAVE THOSE ITEMS INSTALLED ON MY 2000 MERCEDES ML55 WHEN THE PARTS ARE OBTAINED BY MY DEALER, MBL OF TYSON'S CORNER, VA, WHICH SOLICITED ME TO HAVE THE REPAIRS MADE AND I TRIED TO DO SO BUT THE PARTS WERE NOT IN STOCK. MY COMPLAINT HAS TO DO WITH MERCEDES'S REFUSAL TO TAKE ANY RESPONSIBILITY FOR THE FACT THAT SINCE I BOUGHT THE CAR IN 2000, IT HAS HAD THREE OR FOUR POWER STEERING PUMPS TO GO BAD AND HAVE TO BE REPLACED. IN YOUR RECALL NOTICE, YOU STATE THAT THE DEFECTIVE HOSE AND CLAMP "ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP. THIS COULD RESULT IN A LOSS OF CONTROL AND A CRASH WITHOUT WARNING>" SINCE I BOUGHT THIS CAR IN 2000, IT WILL NOT HAVE HAD A NON-DEFECTIVE POWER STEERING SYSTEM. AS BEST I CAN DETERMINE FROM PAPER IN MY POSSESSION, THE POWER STEERING PUMP HAS BEEN REPLACED AT LEAST THREE TIMES. I SUPPOSE THAT MERCEDES COULD ARGUE THAT FOUR PUMPS REPRESENTS NORMAL WEAR-AND-TEAR, BUT IT SEEMS TO ME THAT THERE IS SOME CONNECTION BETWEEN THE DEFECTIVE HOSE AND CLAMP AND THE NEED TO REPLACE MULTIPLE PUMPS. THE PUMP IS A BIG-TICKET ITEM--MORE THAN $1,200 EACH TO BUY AND HAVE INSTALLED. IT STRIKES ME AS UNLIKELY IN THE EXTREME THAT THE DEFECTIVE HOSE AND CLAMP DID NOT CONTRIBUTE TO THE FAILURE OF AT LEAST THREE POWER STEERING PUMPS OVER THE LAST 9 YEARS. *TR

NHTSA ID 10252349 · filed Dec 20, 2008
All 8 reports naming steering

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

8
reports

From owner reports, verbatim

AT HIGHWAY SPEED CAR JERKED VIOLENTLY TO THE LEFT AS OFF THE FROM RIGHT BRAKE WAS BEING APPLIED ON ITS OWN. TURNED THE ESP (ELECTRONIC STABILITY CONTROL) OFF AND PROCEEDED AND THE EVENT HAPPENED AGAIN, CAR JERKED TO LEFT AND HEADED TO DITCH BUT WAS ABLE TO OVERCOME WITH STEERING WHEEL. IT APPEARS A CAR SYSTEM FAILED CRASH RATHER THAN FAIL SAFE. *TR

NHTSA ID 10459727 · filed May 26, 2012

WHILE DRIVING MY 2000 ML320 MERCEDES, THE CAR SUDDENLY APPLIES BRAKES WHILE TRAVELING AT VARIOUS SPEEDS. THE BAS/ESP WARNING LIGHTS COME ON. THIS IS A VERY DANGEROUS MALFUNCTION AND SOMEONE SHOULD MAKE MERCEDES ADDRESS THIS DEFECT IMMEDIATELY BEFORE SOMEONE IS KILLED! IF YOU DO A SEARCH ON THE INTERNET, IT WILL AMAZE YOU HOW MANY PEOPLE HAVE EXPERIENCED THIS HORRIFYING ORDEAL. PLEASE DO NOT IGNORE MY COMPLAINT. *TR

NHTSA ID 10380051 · filed Feb 3, 2011
All 8 reports naming brakes

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

7
reports

From owner reports, verbatim

AT HIGHWAY SPEED CAR JERKED VIOLENTLY TO THE LEFT AS OFF THE FROM RIGHT BRAKE WAS BEING APPLIED ON ITS OWN. TURNED THE ESP (ELECTRONIC STABILITY CONTROL) OFF AND PROCEEDED AND THE EVENT HAPPENED AGAIN, CAR JERKED TO LEFT AND HEADED TO DITCH BUT WAS ABLE TO OVERCOME WITH STEERING WHEEL. IT APPEARS A CAR SYSTEM FAILED CRASH RATHER THAN FAIL SAFE. *TR

NHTSA ID 10459727 · filed May 26, 2012

TL* THE CONTACT OWNS A 2000 MERCEDES BENZ ML320. THE CONTACT WAS DRIVING APPROXIMATELY 55 MPH WITH THE CRUISE CONTROL IN ACTIVATION. WHEN PRESSURE WAS APPLIED TO THE BRAKE PEDAL, THE CRUISE CONTROL FAILED TO DISENGAGE. SUDDENLY THE BRAKES LOCKED AND THE VEHICLE CONTINUED TO ACCELERATE. THE GEAR WAS SHIFTED INTO NEUTRAL AND THEN INTO PARK, WHICH BROUGHT THE VEHICLE TO A STOP. THE CONTACT RESUMED IN OPERATION WITH CAUTION. THERE WAS A RECALL ASSOCIATED WITH THE FAILURE UNDER NHTSA CAMPAIGN ID NUMBER: 11V208000 (VEHICLE SPEED CONTROL: CRUISE CONTROL). THE RECALL PART WAS UNAVAILABLE TO PERFORM THE REMEDY REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 138,000.

NHTSA ID 10407062 · filed Jun 16, 2011

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

1
report

From owner reports, verbatim

THIS IS EXPERIENCED BY MOST OF THE ML DRIVERS: WHILE DRIVING THE CAR, THE CAR JUST STOPS AND HERE IS WHAT MERCEDES SAID AND WHAT HAPPENS ACCORDING TO MB RESEARCH: THE GAS INSIDE SOME UNDERGROUND TANKS DISSOLVES THE PROTECTIVE LINER. THE LINER ENDS UP AS A GOOEY SUBSTANCE IN OUR TANKS. AS LONG AS THE PUMP IS RUNNING THERE IS NO PROBLEM. AFTER SHUTTING DOWN, THE SUBSTANCE HARDENS INSIDE THE PUMP AND FREEZES IT. HAVE SOMEONE HIT THE BOTTOM OF THE TANK WITH A BIG HAMMER WHILE SOMEONE ELSE IS STARTING UP AT THE SAME TIME AND MOST LIKELY YOU'LL GET THE VEHICLE RUNNING AGAIN - THEN DRIVE TO THE DEALER AS SOON AS POSSIBLE TO GET THE PUMP REPLACED. FROZEN PUMPS SENT FOR EVALUATION TO STUTTGART DID WORK WHEN THEY ARRIVED THERE WITHOUT THE PRESENCE OF GAS THE "GLUE" HAD HARDENED TO A POINT THAT IT GOT BRITTLE AND THE PUMPS WORKED AGAIN.*AK

NHTSA ID 10062222 · filed Mar 15, 2004

Too few reports in this category for a page of its own — they appear in the full complaint list.

Interior & seats

Reports naming seats, latches, locks, linkages and interior fittings.

1
report

From owner reports, verbatim

ELECTRICAL:MCS UNIT,RADIO/CASSETTE PLAYER DEFECT. MCS UNIT MALFUNCTIONED(SCREEN BLACK OUT AND ALL OPERATIONS CEASED)MB MAY EXCHANGE IF UNDER WARRANTY AND NO AFTER MARKET ELECTRICAL ITEMS INSTALLED..THEY WILL NOT TELL THE CONSUMER WHY? THE $1550 MCS UNIT MALFUNCTIONED...AN OFF DUTY MB TECH WAS ENLISTED TO PERFORM AN INTERNAL CHECK OF THE MCS UNIT AND FOUND A DEFECT THAT ATTRIBUTED TO THE MALFUNCTION OF THE MCS UNIT THAT SHOULD RESULT IN THE IMMEDIATE RECALL OF ALL MB MCS UNITS:I.T.CHECK RESULTS: THE CASSETTE PLAYER MOTOR HAS A LUBRICANT ENCLOSED IN A CLEAR HOUSING, WHEN THE MCS UNIT BECOMES OVERHEATED(VIA DIR SUNLIGHT,HI VOL-EVEN WHEN REGULATED BY THE BOSE SYSTEM AND CONTINUOUS STEREO OPERATION...MOST MB OWNERS WON'T DUPLICATE THESE CONDITIONS AS MBUSA HOPES),THE LUBRICANT(A GEL THAT BECAME LIQUEFIED BY THE HEAT) WILL LEAK FROM THE CLEAR HOUSING AND DRIP ONTO THE CIRCUIT BOARD DIRECTLY BELOW(THE CIRCUIT BOARD WILL HAVE APPROX 1/2" ROUND GREASY SPOT),THE EFFECTS OF THE LIQUID LUBRICANT LEAKING ONTO THE CIRCUIT BOARD WILL RESULT IN A 'SHORT CIRCUIT' OF THE MCS UNIT. THE MB DEALER SERVICE DEPT WAS VERY VAGUE IN THEIR DESCRIPTION OF THE MCS MALFUNCTION, SO I REQUESTED ,IN WRITING, A DETAILED EXPLANATION OF THE CAUSE OF THE MCS UNIT MALFUNCTION. I WAS DENIED... WHEN I NOTIFIED,IN WRITING, A MB DEALER SERVICE DEPT OF MY REQUEST TO MEET WITH THEIR REGIONAL REP AND THE DEALER SERVICE MANAGER, MY LETTERS WERE NOT RETURNED AND UPON A PERSONAL VISIT,FOREWRITTEN, I WAS ADVISED,BY THE 'DISCOURTEOUS' ASSISTANT SERVICE MANAGER THAT THE SERVICE MANAGER WAS 'IN A MEETING', AFTER WRITTEN REQUESTS WERE SENT DIRECTLY TO THE MB SERVICE MANAGER AND THE OWNER, REGISTERED LETTERS AND FAXES WERE SENT(TO ME,WORK,MY EMPLOYER) FROM THE MB DEALER ATTORNEY TO CEASE AND DESIST FROM CONTACTING THE MB DEALER AND WAS ACCUSED OF CRIMINAL HARASSMENT(MY EMPLOYER WAS ALSO SENT COPIES OF MY PERSONAL LETTERS,INDICATING I WAS INVOLVED IN CRIMINAL HARASSMENT(WHEREBY THREATENING MY EMPLOYMENT AND SLANDERING MY NAME, BY THE MB DEALER ATTORNEY).

NHTSA ID 10010173 · filed Mar 8, 2003

Too few reports in this category for a page of its own — they appear in the full complaint list.

Transmission

Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.

1
report

From owner reports, verbatim

WHILE DRIVING, SOME TEA SPILLED ONTO MY SHIFTER. MOMENTS LATER WHILE MERGING INTO HIGH SPEED TRAFFIC, MY CAR WOULD NOT SHIFT OUT OF LOW GEAR. I HAD TO SWERVE ONTO THE SIDE OF THE ROAD TO AVOID BEING HIT FROM BEHIND. THIS MINOR SPILLAGE OF HERBAL TEA DISTORTED MY SHIFTER RESULTING IN $788.25 WORTH OF DAMAGE. I WANT TO PETITION NHTSA TO INVESTIGATE WHAT I CONSIDER A SERIOUS DESIGN FLAW IN MY 2000 MERCEDES ML320. WHAT IF I HAD BEEN DRIVING ON A HIGHWAY AND THIS HAPPENED? *NM

NHTSA ID 10181957 · filed Feb 8, 2007

Too few reports in this category for a page of its own — they appear in the full complaint list.

Visibility

Reports naming windshields, glass, wipers, defrosters and mirrors.

1
report

From owner reports, verbatim

FRONT PASSENGER SIDE POWER WINDOW FAILURE. *AK

NHTSA ID 10091246 · filed Sep 18, 2004

Too few reports in this category for a page of its own — they appear in the full complaint list.

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

1
report

From owner reports, verbatim

THE VEHICLE IS A 2000 ML 320 MADE BY MERCEDES. THE ENGINE JUST STOPPED. I WAS ON THE FREEWAY DRIVING 60 MPH WHEN THE ENGINE DIED. LUCKILY, WE WERE ABLE TO MOVE OVER TO A SAFE PLACE AND STOP THE CAR SAFELY. I CONSIDER THIS A VERY DANGEROUS FAILURE MODE. SINCE THE CAR WOULD NOT START, IT WAS TOWED TO SACRAMENTO MERCEDES. THE SECOND, AND PERHAPS MORE IMPORTANT, ISSUE IS THE WAY THE DEALER INSISTED ON DOCUMENTING THE PROBLEM. I TOLD THE DEALER THAT NO WARNING LIGHTS ILLUMINATED, ?THE ENGINE JUST STOPPED?. AFTER READING WHAT THE DEALER WROTE IN THEIR MAINTENANCE SYSTEM I TOLD THE DEALER THEY MUST HAVE MISHEARD ME. I REPEATED THAT NO WARNING LIGHTS WERE ON. THE DEALER THEN SAID THAT WHEN THEY STARTED THE CAR AND THE WARNING LIGHTS WERE ON AT THAT TIME. SINCE I LEFT THE DEALERSHIP, I CANNOT VERIFY WHETHER THEY STARTED THE CAR, OR NOT, AND IF IT STARTED WHETHER THE WARNING LIGHT WAS ON, OR NOT. I TOLD THE DEALER THEY COULD DOCUMENT THAT THEY OBSERVED A WARNING LIGHT, BUT THEY SHOULD NOT ERRONEOUSLY DOCUMENT THAT I STATED THE WARNING LIGHT WAS ON. HOWEVER, WHEN I PICKED UP THE CAR THE DOCUMENTATION CONTAINED BOTH STATEMENTS. I ASKED THEM TO REMOVE THE PORTION THAT I HAD STATED THE WARNING LIGHT WAS ILLUMINATED AND THEY REFUSED. I HAVE TO BELIEVE THAT THEY HAVE BEEN ?TRAINED? TO FALSELY REPORT THESE PROBLEMS, PERHAPS TO AVOID PROBLEMS BEING BROUGHT TO THE ATTENTION OF THE NHTSA. I THINK THIS IS POTENTIALLY FRAUDULENT AND SHOULD BE THOROUGHLY INVESTIGATED. I WAS TOLD THE PROBLEM WAS A CRANK-ANGLE SENSOR. I WAS TOLD THAT I WAS PAYING 50% OF THE COST AND THE ?FACTORY? WAS TAKING CARE OF THE OTHER 50%. *AK

NHTSA ID 10114385 · filed Mar 21, 2005

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

1
report

From owner reports, verbatim

ENGINE RUNS ROUGH, IDLES LIKE IT IS GOING TO DIE, CAR SURGES FORWARD WHILE MOVING OR STOPPED, DASH WARNING LIGHTS ON/OFF, ROUGH GEAR SHIFTING OR WON'T SHIFT, ELECTRICAL PROBLEMS, GAS TANK/GAUGE PROBLEMS, LOCK/WINDOWS POWERED WHEN CAR OFF, DASH LIGHTING GOES IN/OUT, HEADLIGHT/BRAKE LIGHTS BURN OUT QUICKLY, ELECTRICAL, STARTING CAR ISSUES. THIS CAR HAS BEEN IN/OUT OF THE DEALERSHIP FOR ALMOST 2 YEARS. I BOUGHT IT USED WITH A "CERTIFIED PRE OWNED WARRANTY", CODES GO OFF AND THEY SIMPLY RESET THEM. THERE HAS BEEN A NEW CONVERTER, WINDOW REPAIR, WORK ON GAS TANK, SPARK PLUGS, AND NUMEROUS OTHER "ATTEMPTS". NOW THE WARRANTY IS GONE AND MY PROBLEMS HAVE WORSENED. I DRIVE IT OUT OF THE DEALERSHIP AND THE WARNING LIGHTS COME RIGHT BACK ON. THEY ARE USING PROCESS OF ELIMINATION AND I'M PAYING FOR ALL THE GUESS WORK! THE OIL MONITOR IS ALWAYS OFF, GET THE OIL CHANGED AND IT GIVES ME SERVICE IS NEEDED CODES WITH -OIL READING? HELP. *TR

NHTSA ID 10237217 · filed Aug 6, 2008

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .