RoadVitals

2001 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.
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Latest Jan 23, 2009
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
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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.
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What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2001 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

  • Electrical337.5%
  • Airbags112.5%
  • Body & structure112.5%
  • Engine112.5%
  • Interior & seats112.5%
  • Steering112.5%

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

Electrical

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

3
reports

From owner reports, verbatim

SINCE THE CAR WAS PURCHASED IT CONTINUES TO HESITATE AND STALL OUT GIVING A "START ERROR" ON THE INSTRUMENT PANEL. HAD CONFIRMED BY THE SERVICE MANAGER, GERRY GRIFFITH (CAR PURCHASED IN INDIANAPOLIS, RECENT MOVE TO ALABAMA), THAT THE MODEL M-CLASS HAS PROBLEMS WITH THIS ISSUE. JUST HAD TO SPEND $1000+ ON A "FIX" AND THE PROBLEM HAS BEEN ONGOING SINCE THE BEGINNING OF PURCHASING THE CAR. DETAILED SERVICE RECORDS ARE NOT GIVEN TO THE CUSTOMER ONLY A BRIEF SYNOPSIS AND ALL WORK IS NOT INCLUDED IN THAT REPORT, I.E., THE ACTUAL TESTING CODES, ETC. *JB

NHTSA ID 10135790 · filed Sep 8, 2005

JUST AS REPORTED IN CONSUMER REPORTS, ELECTRICAL SYSTEMS FAILED ON THIS VEHICLE CAUSING ALL SAFETY SYSTEMS (IE., BRAKE ASSIST, SAFETY BELTS, AIR BAGS) TO FAIL. THE PROBLEM CAUSED TWO ACCIDENTS LAST YEAR WHEN THE 4,400 LB. VEHICLE COULD NOT STOP. OTHER ELECTRICAL SYSTEMS ARE ALSO FAILING. FURTHER, THE REAR GATE LATCH WAS NOT LOCKING AND THE DEALER NEVER VERBALLY TOLD US WHEN WE PICKED UP THE VEHICLE FROM BEING SERVICED, NOR DID THEY EVER ASK IF WE WANTED IT FIXED. WE JUST FOUND OUT ABOUT THIS. ONE WOULD EXPECT MORE FROM A MERCEDES PRODUCT. AFTER THE TRUCK WAS "FIXED" TWICE, WE THEN PAID TO HAVE IT GONE OVER ($300) AND FOUND THE PROBLEM WITH THE SAFETY SYSTEMS WHICH HAD BEEN NOTED AS BEING FIXED PREVIOUSLY. IT WAS A $100 STOP SWITCH. MEANWHILE, WE WILL PAY HIGHER INSURANCE RATES FOR THE NEXT THREE YEARS. MERCEDES USA SHOULD HAVE RECALLED THESE VEHICLES FOR THE ELECTRICAL PROBLEMS, BUT THEY JUST BRUSHED IT UNDER THE RUG. I THOUGHT WE WERE BUYING A QUALITY PRODUCT. I GUESS NOT.*JB

NHTSA ID 10131784 · filed Aug 6, 2005

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

Airbags

Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.

1
report

From owner reports, verbatim

I WAS HIT ON THE PASSENGER DOOR SIDE ON 8/6/05 BY A CAR RUNNING A RED LIGHT. MY CAR WAS HIT SO HARD IT ROLLED OVER RESTING ON IT'S ROOF. NO AIR BAGS DEPLOYED, NOT EVEN SIDE ONES. I CALLED MB-USA TO COMPLAIN. THEY DIDN'T SEEM CONCERNED ABOUT THE EVENT. *NM

NHTSA ID 10142648 · filed Nov 14, 2005

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

Body & structure

Reports naming the vehicle structure, frame, body panels, doors, hood and trim.

1
report

From owner reports, verbatim

I PURCHASED THIS VEHICLE IN MAY OF THIS YEAR AND EVERY MONTH I HAVE BEEN AT THE SERVICE DEPARTMENT TURNING IT IN FOR ONE PROBLEM OR ANOTHER. I AM ASSURED THEY ARE DOING ALL THAT THEY CAN BUT I HAVE NOT GONE 30 DAYS IN A ROW WITH A FUNCTIONING, NO PROBLEM, VEHICLE. I PURCHASED A MB BECAUSE I THOUGHT THE VALUE AND DEPENDABILITY WAS THERE. I THOUGHT THE VEHICLE WOULD BE HASSLE FREE AND I COULD ENJOY FEW MECHANICAL ISSUES. I AM NOT SPENDING TIME AWAY FROM WORK WHICH IS CAUSING ME PROBLEMS, JUST TO KEEP THIS SUV MAINTAINED. THE DEFECTS OR ISSUES WITH THIS VEHICLE ARE BECOMING AN ADDED EXPENSE TO ME AND THE TIME AWAY FROM WORK IS CAUSING ME PROBLEMS. I WANT A VEHICLE THAT IS NOT IN THE SHOP ONCE A MONTH. I TRIED TO CALL THE MERCEDES BENZ CUSTOMER SERVICE LINE AND THEY REFERRED ME BACK TO THE DEALER. THE DEALER HAS DONE NOTHING ABOVE AND BEYOND THEIR JOB RESPONSIBILITES. I AM NO DIFFERENT THAN THE CUSTOMER THAT COMES IN ONCE EVERY YEAR FOR REGULAR MAINTENANCE. I WOULD THINK THAT I WOULD BE TREATED A LITTLE DIFFERERNTLY AND THAT SOMEONE WOULD WANT TO SOLVE THIS PROBLEM! MY HUSBAND WANTED TO TRADE HIS BMW IN FOR A NEW MB BUT NOW I THINK HE HAS LOST FAITH THAT MB IS A RELIABLE, STABLE VEHICLE.

NHTSA ID 10070943 · filed Jan 15, 2004

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

I PURCHASED THIS VEHICLE IN MAY OF THIS YEAR AND EVERY MONTH I HAVE BEEN AT THE SERVICE DEPARTMENT TURNING IT IN FOR ONE PROBLEM OR ANOTHER. I AM ASSURED THEY ARE DOING ALL THAT THEY CAN BUT I HAVE NOT GONE 30 DAYS IN A ROW WITH A FUNCTIONING, NO PROBLEM, VEHICLE. I PURCHASED A MB BECAUSE I THOUGHT THE VALUE AND DEPENDABILITY WAS THERE. I THOUGHT THE VEHICLE WOULD BE HASSLE FREE AND I COULD ENJOY FEW MECHANICAL ISSUES. I AM NOT SPENDING TIME AWAY FROM WORK WHICH IS CAUSING ME PROBLEMS, JUST TO KEEP THIS SUV MAINTAINED. THE DEFECTS OR ISSUES WITH THIS VEHICLE ARE BECOMING AN ADDED EXPENSE TO ME AND THE TIME AWAY FROM WORK IS CAUSING ME PROBLEMS. I WANT A VEHICLE THAT IS NOT IN THE SHOP ONCE A MONTH. I TRIED TO CALL THE MERCEDES BENZ CUSTOMER SERVICE LINE AND THEY REFERRED ME BACK TO THE DEALER. THE DEALER HAS DONE NOTHING ABOVE AND BEYOND THEIR JOB RESPONSIBILITES. I AM NO DIFFERENT THAN THE CUSTOMER THAT COMES IN ONCE EVERY YEAR FOR REGULAR MAINTENANCE. I WOULD THINK THAT I WOULD BE TREATED A LITTLE DIFFERERNTLY AND THAT SOMEONE WOULD WANT TO SOLVE THIS PROBLEM! MY HUSBAND WANTED TO TRADE HIS BMW IN FOR A NEW MB BUT NOW I THINK HE HAS LOST FAITH THAT MB IS A RELIABLE, STABLE VEHICLE.

NHTSA ID 10070943 · filed Jan 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

JUST AS REPORTED IN CONSUMER REPORTS, ELECTRICAL SYSTEMS FAILED ON THIS VEHICLE CAUSING ALL SAFETY SYSTEMS (IE., BRAKE ASSIST, SAFETY BELTS, AIR BAGS) TO FAIL. THE PROBLEM CAUSED TWO ACCIDENTS LAST YEAR WHEN THE 4,400 LB. VEHICLE COULD NOT STOP. OTHER ELECTRICAL SYSTEMS ARE ALSO FAILING. FURTHER, THE REAR GATE LATCH WAS NOT LOCKING AND THE DEALER NEVER VERBALLY TOLD US WHEN WE PICKED UP THE VEHICLE FROM BEING SERVICED, NOR DID THEY EVER ASK IF WE WANTED IT FIXED. WE JUST FOUND OUT ABOUT THIS. ONE WOULD EXPECT MORE FROM A MERCEDES PRODUCT. AFTER THE TRUCK WAS "FIXED" TWICE, WE THEN PAID TO HAVE IT GONE OVER ($300) AND FOUND THE PROBLEM WITH THE SAFETY SYSTEMS WHICH HAD BEEN NOTED AS BEING FIXED PREVIOUSLY. IT WAS A $100 STOP SWITCH. MEANWHILE, WE WILL PAY HIGHER INSURANCE RATES FOR THE NEXT THREE YEARS. MERCEDES USA SHOULD HAVE RECALLED THESE VEHICLES FOR THE ELECTRICAL PROBLEMS, BUT THEY JUST BRUSHED IT UNDER THE RUG. I THOUGHT WE WERE BUYING A QUALITY PRODUCT. I GUESS NOT.*JB

NHTSA ID 10131784 · filed Aug 6, 2005

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

Steering

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

1
report

From owner reports, verbatim

TL*THE CONTACT OWNS A 2001 MERCEDES BENZ ML350. THE STEERING WHEEL WAS REPAIRED IN 2003 ACCORDING TO NHTSA CAMPAIGN ID NUMBER 08V465000 (STEERING: HYDRAULIC POWER ASSIST: HOSE, PIPING, AND CONNECTIONS); HOWEVER, THE STEERING WAS NEVER CORRECTED PROPERLY. THE STEERING MAKES A LOUD NOISE WHEN THE STEERING WHEEL IS TURNED. THE CONTACT RECENTLY RECEIVED A SECOND RECALL NOTICE AND SHE WILL TAKE THE VEHICLE TO THE DEALER. THE FAILURE MILEAGE WAS 60,000 AND CURRENT MILEAGE WAS 90,642.

NHTSA ID 10256074 · filed Jan 23, 2009

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 .