MERCEDES-BENZ M-CLASS · model year

2006 MERCEDES-BENZ M-CLASS

18 NHTSA complaints, 1 crash report for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2006MERCEDES-BENZM-CLASS carries 18 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 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 2006 M-CLASS is power train:automatic transmission with 3 filings, followed by engine and engine cooling:engine (2) and engine and engine cooling (2). 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 1 investigation file overlapping the 2006 M-CLASS. 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.

18
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

18 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
POWER TRAIN:AUTOMATIC TRANSMISSION3
ENGINE AND ENGINE COOLING:ENGINE2
ENGINE AND ENGINE COOLING2
ELECTRICAL SYSTEM2
STEERING2
VEHICLE SPEED CONTROL1
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS1
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR1
STEERING:HYDRAULIC POWER ASSIST SYSTEM1
POWER TRAIN1
SEATS1
SUSPENSION1

Recent Complaints

20140604SUSPENSION

THE AIRMATIC SYSTEM BEGAN TO FAIL. THE FRONT LEFT STRUT QUIT WORKING AND HAD TO BE REPLACED. SINCE THAT TIME THE RIGHT STRUT HAS FAILED AND BOTH REAR AIRMATIC SPRINGS HAVE FAILED. ALL ITEMS HAD TO BE REPLACES AT GREAT COST. NOW THE AIRMATIC COMPRESSOR HAS FAILED AND NEEDS TO BE REPLACED. THE MILEAGE AT THIS TIME IS AROUND 72000. A DIFFERENCE OF JUST OVER 15000 MILES AND THE WHOLE SYSTEM HAS COMPLETELY BROKEN DOWN. AFTER REVIEWING OTHER ONLINE POSTS ABOUT MERCEDES AIRMATIC SUSPENSION PROBLEMS THERE IS CLEARLY SUBSTANTIAL EXPOSURE TO DANGEROUS CONDITIONS WITH THE SUSPENSION SYSTEM AS WELL AS GREAT COST TO THE OWNERS OF THESE AUTOMOBILES. THE FAILURE OF THE SYSTEM AT ANY TIME CAN MAKE THESE VEHICLES DRIVE ERRATICALLY AND MAY CAUSE ACCIDENTS. THE FACT THAT THIS SUSPENSION SYSTEM FAILS FOR THE MOST PART BEFORE 75000 MILES IS NOT ACCEPTABLE. MERCEDES SHOULD EITHER HAVE WARRANTY ON THIS BEYOND A CERTAIN MILEAGE OR AT LEAST INFORM BUYERS OF THE POTENTIAL FAILURE OF THE SYSTEM. THER

Mileage: 56,646

20140124STEERING

I HAVE SAME PROBLEM WITH MY CAR AND MY MODEL IS NOT EFFECTED WITH THIS RECALL RECALL NUMBER: 05V224000 DATES MANUFACTURED: JAN 0001 TO JAN 0001 NUMBER OF VEHICLES AFFECTED: 7191 DATE OWNERS NOTIFIED ON: JAN 0001 ON CERTAIN PASSENGER VEHICLES, A HOSE CLAMP THAT SECURES THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION. CONSEQUENCE OF DEFECT: A LOSS OF POWER STEERING FLUID CAN DAMAGE THE POWER STEERING PUMP AND MAY RESULT IN DIMINISHED POWER ASSIST FOR STEERING WHICH COULD LEAD TO A CRASH. CORRECTIVE ACTION: DEALERS WILL REPLACE THE POWER STEERING HOSE CLAMP FREE OF CHARGE. THE RECALL BEGAN ON MAY 17, 2005. OWNERS MAY CONTACT MERCEDES-BENZ AT 1-800-367. *TR

Mileage: 70,000

20120518SEATS

WHEN THE SEAT HEATER WAS ACTIVATED A BURNING SMELL FILLED THE CABIN. SOME SMOKE CAME OUT OF THE LOWER, LEFT SIDE OF THE BACK OF THE DRIVER'S SEAT. THE SWITCH TURNED OFF ON ITS OWN. THERE IS A HOLE, APPROXIMATELY 3/4 IN. IN DIAMETER ON THE SEAT. *TR

Mileage: 150,136

20111020POWER TRAIN

TWO PROBLEMS - FIRST, TRANSMISSION DO NOT SWITCH HIGHER THAN SECOND SPEED. UPON ENGINE RESTART, VEHICLE DROVE PROPERLY. SECOND, ON ANOTHER OCCASION, I WAS SITTING AT A TRAFFIC LIGHT AND WHEN I ATTEMPTED TO PULL OFF, THE VEHICLE STARTED DRIVING VERY SLOW AND ROUGH. I PULLED TO THE SIDE OF THE ROAD; TURNED OFF THE ENGINE AND WAITED FOR A FEW SECONDS. WHEN I STARTED THE VEHICLE AGAIN AND ATTEMPTED TO DRIVE AWAY, THE VEHICLE DROVE PROPERLY. MERCEDES DEALERSHIP IS AWARE OF THESE ISSUES, AND ALSO MANY OF PEOPLE I KNOW WHO HAVE MERCEDES WITH SAME TRANSMISSION TYPE - VALVE BODY/ELECTRIC PLATE NEEDS TO BE REPLACED IN AUTO TRANSMISSION. *TR

Mileage: 74,600

20110606POWER TRAIN:AUTOMATIC TRANSMISSION

2006 ML350 TRANSMISSION FAILURE: WHILE EXITING FROM INTERSTATE, I NOTICE THAT THE CAR WAS JERKING/KNOCKING WHEN I WAS SLOWING DOWN. A COUPLE OF MILES ON THE SURFACE STREETS AT 30-40 MPH I NOTICED THAT THE JERKING BECAME WORSE AND FINALLY THE CAR WENT INTO NEUTRAL GEAR WITHOUT ANY POWER DELIVERED TO THE ENGINE. THE CAR STOPPED ON THE MIDDLE OF THE ROAD. LATER THAT EVENING I GOT IT TOWED TO THE DEALERSHIP AND WAS INFORMED THAT THE TRANSMISSION WAS BLOWN OUT AND NEED TO BE REBUILT OR REPLACED WITH AN ~$8000 BILL. THE CAR HAS 58K MILES WITH ALL SERVICE RECORDS AND NOT MISSING A SINGLE SERVICE. I AM TOLD THAT THIS IS OUT OF THE WARRANTY ZONE. I FOUND THAT THERE IS A TRANSMISSION ISSUE IN MOST OF ML3500 FOR 2006 MODELS. I THINK THAT I AM BEING RIPPED OFF AND THE MERCEDES SHOULD FIX THIS VIA RECALL. *TR

Mileage: 58,400

20091212STEERING:HYDRAULIC POWER ASSIST SYSTEM

THE STEERING PUMP WAS DAMAGED BY A LEAK. I PREVIOUSLY BROUGHT THE CAR IN COMPLAINING THERE WAS A LOUD WHIRRING NOISE. I WAS TOLD THE PROBLEM WAS RESOLVED. THEN THIS PROBLEM BEGAN AGAIN, I FOUND THERE WAS A RECALL ON THE NHTSA WEBSITE. BROUGHT THE CAR BACK TO THE DEALER AND WAS DENIED REPAIR OR THAT THERE WAS ANY RECALL THAT EXISTED. THE RECALL NUMBER IS 05V224000. *TR

20091212STEERING

THE STEERING PUMP WAS DAMAGED BY A LEAK. I PREVIOUSLY BROUGHT THE CAR IN COMPLAINING THERE WAS A LOUD WHIRRING NOISE. I WAS TOLD THE PROBLEM WAS RESOLVED. THEN THIS PROBLEM BEGAN AGAIN, I FOUND THERE WAS A RECALL ON THE NHTSA WEBSITE. BROUGHT THE CAR BACK TO THE DEALER AND WAS DENIED REPAIR OR THAT THERE WAS ANY RECALL THAT EXISTED. THE RECALL NUMBER IS 05V224000. *TR

20051202ENGINE AND ENGINE COOLING:ENGINE

AFTER DRIVEN THE NEW 2006 ML350 FOR 3500 MILES, THE LOW ENGINE OIL INDICATOR COME UP. TOOK THE CAR TO SERVICE, AND FOUND THE CAR IS LEAKING ENGINE OIL IN MULTIPLE PLACES. IT TOOK 1 WEEK TO FIX THE LEAK BETWEEN TRANSMISSION AND ENGINE. THEN THEY NEED TO ORDER PARTS TO FIX SECOND LEAK IN OIL PAN. AFTER THE PART ARRIVED, I TOOK THE CAR TO BE FIXED. AFTER 3 DAYS WITHOUT ANY CALL, I CALLED TO FIND OUT THE STATUS. NOW, THEY SAID ONE OF THE ENGINE CYLINDER IS LEAKING ENGINE OIL AND NEED SEVERAL MORE DAYS TO FIX. IT IS UNKNOWN TO ME IF THIS ENGINE WILL HAVE OTHER ISSUES OR NOT AFTER FIXING ALL THOSE OIL LEAKS. THE SECOND PROBLEM IS THE AUTOMATIC TRANSMISSION SOMETIME SUDDENLY DOWN-SHIFT AT LOW SPEED. THE SERVICE MANAGER SAID THIS IS FIXED BY REPROGRAM THE TRANSMISSION COMPUTER/FLASH. HOWEVER, I HAVE NOT HAVE CHANCE/TIME TO TEST IT OUT TO SEE IF THE PROBLEM IS REALLY FIXED. *NM

Mileage: 3,500

20051130ELECTRICAL SYSTEM

WHILE DRIVING A BRAND NEW 2006 ML-350, THE CAR SUDDENLY SHUT DOWN IN THE MIDDLE OF THE ROAD. ALL THE WARNING LIGHTS CAME ON. IT DISPLAYED THE FOLLOWING MESSAGE: ESP MALFUNCTION, HEADLIGHT MALFUNCTION, SPEEDTRONIC INOPERATIVE. TRIED TO RESTART THE CAR, WITH NO LUCK. HAD TO WAIT FOR 20 - 25 MINUTES BEFORE THE CAR CAN BE RESTARTED. THIS HAPPENED 3 TIMES TO ME. THE CAR IS CURRENTLY SITTING AT A MB DEALERSHIP FOR 2 DAYS, AND THEY ARE TRYING TO FIGURE OIUT THE PROBLEM. IT SEEMS THAT ESP MALFUNCTION CAUSES THE NEW ML-350 TO STOP WHILE DRIVING, WHICH IS EXTREMELY DANGEROUS. THIS IS BRAND NEW CAR WITH ONLY 500 MILES. *JB

Mileage: 502

20051117ELECTRICAL SYSTEM

2006 MERCEDES ML 350 - WATER GOT SPILLED ON FLOOR IN PASSENGER REAR SEAT AREA; UNKNOWN TO US, THERE IS ELECTRICAL CIRCUITRY - REFERRED TO AS THE FRT SAM IN THE INVOICE. THIS CAUSED THE ENTIRE CAR TO SHUT DOWN, AND AT ONE POINT THE CAR STALLED IN TRAFFIC WHILE BEING DRIVEN. ALSO CAUSED A SHORT IN A POWER WINDOW THAT CREATED A LOT OF SMOKE. THERE IS A CUP HOLDER IN THE BACK SEAT, AND THAT IS WHERE KIDS SIT, BUT WE DID NOT KNOW THAT A LIQUID SPILL IN THE REAR SEAT COULD CAUSE THE ENTIRE ELECTRICAL SYSTEM AND THUS THE CAR TO SHUT DOWN (EVEN THE TRANSMISSION IS ELECTRONIC, AND WAS INOPERABLE). IF THE ELECTRICAL CIRCUITS ARE ON THE FLOOR, WHERE ALMOST ALL SPILLS LAND, THEN IT SHOULD BE WATER TIGHT, OR IN THE ALTERNATIVE, THE OWNERS SHOULD KNOW BECAUSE IF YOU ARE ON A MAJOR HIGHWAY AND A CHILD SPILLS THEIR DRINK IN THE BACK SEAT, YOU CAR COULD SHUT DOWN COMPLETELY. *JB

Mileage: 4,481

20051019POWER TRAIN:AUTOMATIC TRANSMISSION

THE VEHICLE SAFETY SYSTEMS FAILURES ARE DETAILED BELOW: DOT SAFETY RECALL FOR POWER STEERING CLAMP REPAIRED BY MBM IN JULY CATASTROPHIC FAILURE OF POWER STEERING SYSTEM OCCURRED ~ 2 WEEKS LATER WHILE ROUNDING A CORNER WITH 4 OTHER FAMILY MEMBERS, BARELY AVOIDED A HEAD-ON COLLISION. VEHICLE TOWED TO MBM FOR REPAIRS. I INDICATED TO THE SERVICE REP THAT I WAS ALSO EXPERIENCING ABRUPT SHIFTING. A PROMISE BY NATIONAL SERVICE CENTER OF CLEAN UP OF GARAGE AND DRIVE FROM PS FLUID DID NOT OCCUR. POWER WASHING AND 4 HOURS AND $50 IN CLEANERS WERE NEEDED TO COMPLETE THE CLEAN UP. MBM INDICTED PERMANENT REPAIRS WOULD BE MADE AT A LATER DATE, AND I WOULD BE CALLED WHEN A NEW PART ARRIVED. NO SUCH CALL OR CONTACT FOR THE THIRD SAFETY SYSTEMS SERVICE WAS EVER RECEIVED. THROUGHOUT JULY AND AUGUST 7-SPEED ELECTRONIC AUTOMATIC TRANSMISSION DETERIORATED, EXPERIENCED ABRUPT DOWNSHIFTS PRIMARILY AT SLOW SPEED AND ON INCLINES. ON FIVE OCCASIONS EXPERIENCED COMPLETE DISENGAGEMENT OF TRANSMISSION, ALL OCC

Mileage: 4,000

20051019STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

THE VEHICLE SAFETY SYSTEMS FAILURES ARE DETAILED BELOW: DOT SAFETY RECALL FOR POWER STEERING CLAMP REPAIRED BY MBM IN JULY CATASTROPHIC FAILURE OF POWER STEERING SYSTEM OCCURRED ~ 2 WEEKS LATER WHILE ROUNDING A CORNER WITH 4 OTHER FAMILY MEMBERS, BARELY AVOIDED A HEAD-ON COLLISION. VEHICLE TOWED TO MBM FOR REPAIRS. I INDICATED TO THE SERVICE REP THAT I WAS ALSO EXPERIENCING ABRUPT SHIFTING. A PROMISE BY NATIONAL SERVICE CENTER OF CLEAN UP OF GARAGE AND DRIVE FROM PS FLUID DID NOT OCCUR. POWER WASHING AND 4 HOURS AND $50 IN CLEANERS WERE NEEDED TO COMPLETE THE CLEAN UP. MBM INDICTED PERMANENT REPAIRS WOULD BE MADE AT A LATER DATE, AND I WOULD BE CALLED WHEN A NEW PART ARRIVED. NO SUCH CALL OR CONTACT FOR THE THIRD SAFETY SYSTEMS SERVICE WAS EVER RECEIVED. THROUGHOUT JULY AND AUGUST 7-SPEED ELECTRONIC AUTOMATIC TRANSMISSION DETERIORATED, EXPERIENCED ABRUPT DOWNSHIFTS PRIMARILY AT SLOW SPEED AND ON INCLINES. ON FIVE OCCASIONS EXPERIENCED COMPLETE DISENGAGEMENT OF TRANSMISSION, ALL OCC

Mileage: 4,000

20051019VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

THE VEHICLE SAFETY SYSTEMS FAILURES ARE DETAILED BELOW: DOT SAFETY RECALL FOR POWER STEERING CLAMP REPAIRED BY MBM IN JULY CATASTROPHIC FAILURE OF POWER STEERING SYSTEM OCCURRED ~ 2 WEEKS LATER WHILE ROUNDING A CORNER WITH 4 OTHER FAMILY MEMBERS, BARELY AVOIDED A HEAD-ON COLLISION. VEHICLE TOWED TO MBM FOR REPAIRS. I INDICATED TO THE SERVICE REP THAT I WAS ALSO EXPERIENCING ABRUPT SHIFTING. A PROMISE BY NATIONAL SERVICE CENTER OF CLEAN UP OF GARAGE AND DRIVE FROM PS FLUID DID NOT OCCUR. POWER WASHING AND 4 HOURS AND $50 IN CLEANERS WERE NEEDED TO COMPLETE THE CLEAN UP. MBM INDICTED PERMANENT REPAIRS WOULD BE MADE AT A LATER DATE, AND I WOULD BE CALLED WHEN A NEW PART ARRIVED. NO SUCH CALL OR CONTACT FOR THE THIRD SAFETY SYSTEMS SERVICE WAS EVER RECEIVED. THROUGHOUT JULY AND AUGUST 7-SPEED ELECTRONIC AUTOMATIC TRANSMISSION DETERIORATED, EXPERIENCED ABRUPT DOWNSHIFTS PRIMARILY AT SLOW SPEED AND ON INCLINES. ON FIVE OCCASIONS EXPERIENCED COMPLETE DISENGAGEMENT OF TRANSMISSION, ALL OCC

Mileage: 4,000

20051005ENGINE AND ENGINE COOLING

DT: 2006 MERCEDES ML350. VEHICLE SURGES WHEN STARTING/ PULLING OUT AND COMING TO A STOP. . THE DEALERSHIP HAS VEHICLE FOR FIVE WEEKS AND THEY STILL HAVEN'T FOUND THE PROBLEM. THIS PROBLEM STARTED OCCURRING AFTER TWO WEEKS AFTER PURCHASE. NO ACCIDENTS HAVE OCCURRED. *AK

20051005POWER TRAIN:AUTOMATIC TRANSMISSION

DT: 2006 MERCEDES ML350. VEHICLE SURGES WHEN STARTING/ PULLING OUT AND COMING TO A STOP. . THE DEALERSHIP HAS VEHICLE FOR FIVE WEEKS AND THEY STILL HAVEN'T FOUND THE PROBLEM. THIS PROBLEM STARTED OCCURRING AFTER TWO WEEKS AFTER PURCHASE. NO ACCIDENTS HAVE OCCURRED. *AK

20050816CrashVEHICLE SPEED CONTROL

DT: THE CONSUMER OWNS A 2006 MERCEDES ML350. WHEN SHE PURCHASED THE VEHICLE THE MOTOR RACED WHEN IT WAS STARTED. THE VEHICLE LURCHED FORWARD WHEN HER FOOT WAS FIRST TAKEN OFF THE BRAKE. ON AUGUST 9, 2005 THE CONSUMER WAS PULLING INTO THE GARAGE WITH HER FOOT ON THE BRAKE AND THE VEHICLE SURGED FORWARD. SHE STATED SHE COULD HEAR THE MOTOR SURGING. SHE PUSHED THE BRAKE PEDAL ALL THE WAY TO THE FLOORBOARD AND THE VEHICLE DID NOT STOP. THE VEHICLE PUSHED A PING PONG TABLE THROUGH THE WALL AND THEN STOPPED. THIS CAUSED $5000 DAMAGE TO THE GARAGE AND $4000 DAMAGE TO THE VEHICLE. WHEN SHE TOOK THE VEHICLE TO THE DEALERSHIP THEY STATED THERE WAS NOTHING WRONG WITH THE VEHICLE AND SHE MAY HAVE HIT THE ACCELERATOR. *AK *JB

20050808ENGINE AND ENGINE COOLING

REGARDING: ODI ID NUMBER 10130895 I HAD SIMILAR ISSUES WITH THE VEHICLE AND MERCEDES BENZ COULD NOT REPLICATE THE PROBLEM AND BLAMED IT ON ME FOR DRIVING WITH TWO FEET. I DON'T DRIVE WITH TWO FEET AND I REFUSED TO ACCEPT THE CAR WITHOUT ANYTHING BEING DIAGNOSED AND REPAIRED. THE NEXT DAY THEY CALLED AND HAD A CODE FOR A FAULTY CRANK SENSOR WHICH THEY REPLACED. I HAVEN'T NOTICED ANY PROBLEMS SINCE THEN BUT IT WAS VERY UNNERVING TO KNOW MY WIFE WAS DRIVING THIS VEHICLE (ML500 '06) WHILE THESE PROBLEMS COULD HAPPEN. SOMEONE SHOULD RECALL THIS IMMEDIATELY.*JB

Mileage: 500

20050801ENGINE AND ENGINE COOLING:ENGINE

SUV ENGINE STALLED 7/3/2005 GOING 65 MPH WITHOUT WARNING; SUV RESTARTED AFTER STALL. SUV ENGINE STALLED AGAIN 7/22/2005 GOING 45 MPH WITHOUT WARNING; SUV DID NOT RESTART AFTER STALL. TOWED TO DEALER. THE DEALER FOUND NOTHING WRONG WITH VEHICLE AND SAID CAUSE WAS WATER THAT SPILLED DURING THE INCIDENT HOWEVER WATER SPILLED BECAUSE OF INCIDENT NOT BEFORE. SUV HAD STALLED 3 WEEKS PRIOR AND NO WATER WAS INVOLVED. I AM SCARED TO DRIVE THIS VEHICLE FOR FEAR IT WILL STALL AND I WILL GET HIT FROM BEHIND CAUSING BODILY INJURY OR DEATH. PLEASE HELP IF YOU CAN. THANK YOU.

Mileage: 3,090

Compare 2006MERCEDES-BENZM-CLASS to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 2006 MERCEDES-BENZ M-CLASS have?
The 2006 MERCEDES-BENZ M-CLASS has 18 NHTSA complaints, 1 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2006 MERCEDES-BENZ M-CLASS?
The most-complained component for the 2006 MERCEDES-BENZ M-CLASS is POWER TRAIN:AUTOMATIC TRANSMISSION with 3 complaints. Other frequently reported areas include ENGINE AND ENGINE COOLING:ENGINE and ENGINE AND ENGINE COOLING.
Is the 2006 MERCEDES-BENZ M-CLASS safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

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.