FaultScore

FaultScore report

1999 Mercedes Benz M Class problems

Owners have filed 28 complaints about the 1999 Mercedes Benz M Class with NHTSA between 2000 and 2011. The largest single group is the steering. Across this model's run it ranks 3 of 3 worst.

B

FaultScore 34/100

Higher is worse. Measured against the other years of the Mercedes Benz M Class.

How this is worked out

The numbers

28

Complaints

0

Crashes reported

1

Fires reported

0

Injuries reported

100,100 mi

Median mileage at failure

Half of reported failures happened before this

0%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 58 vs 50 Severity 18 vs 50 Early failure 0 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 58
Against the median year of the Mercedes Benz M Class. 50 means typical for this model; 100 means roughly double.
Severity — 18
3.6% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 0
0% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 1999 compares with every other Mercedes Benz M Class

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 1999 Mercedes Benz M Class

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Steering 6 21.4%

Median failure at 115,000 miles

Seat Belts 4 14.3%

Median failure at 120,000 miles

Transmission & Drivetrain 4 14.3%

Median failure at 221,000 miles

Engine & Cooling 4 14.3%

Median failure at 84,000 miles

Electrical System 3 10.7%

Median failure at 94,112 miles

Fuel & Propulsion 2 7.1%

0 crashes, 1 fires · median 55,000 mi

Equipment & Accessories 1 3.6%

Median failure at 45,000 miles

Stability & Traction Control 1 3.6%

Median failure at 100,100 miles

Tires 1 3.6%

Median failure at 98,000 miles

Windows, Mirrors & Wipers 1 3.6%
Brakes 1 3.6%

Median failure at 100,100 miles

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

25,000 – 49,999 miles 4 20.0%
50,000 – 74,999 miles 2 10.0%
75,000 – 99,999 miles 2 10.0%
100,000 – 149,999 miles 10 50.0%
150,000+ miles 2 10.0%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Mar 2000 peak 5 Sep 2011

NHTSA investigations into the 1999 Mercedes Benz M Class

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

EA08009 Opened 28 Apr 2008 Closed 16 Dec 2009 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

BRAKE LINE CHAFE

ANALYSIS OF COMPLAINTS TO ODI AND MERCEDES AND WARRANTY CLAIM DATA SUBMITTED BY MERCEDES INDICATES THAT THE ALLEGED DEFECT HAS OCCURRED AT A LOW RATE (36.5 COMPLAINTS PER 100,000 VEHICLES AND 0.29 PERCENT WARRANTY CLAIM RATE), WITH NO DISCERNABLE DEFECT TREND INDICATING THAT THE RATE OF CHAFING RELATED BRAKE LINE FAILURES IS INCREASING.THERE HAVE BEEN NO NEW COMPLAINTS SINCE JANUARY 2009.WHEN THE ANALYSIS IS LIMITED TO INCIDENTS OF BRAKE LINE LEAKAGE THAT RESULTED IN ALLEGATIONS OF REDUCED BRAKE EFFECTIVENESS, THE RATE DROPS EVEN FURTHER (22.3 COMPLAINTS PER 100,000 VEHICLES AND 0.04 PERCENT W...

RQ08002 Opened 11 Mar 2008 Closed 17 Sep 2008 STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

POWER STEERING HOSE LEAK

MERCEDES-BENZ USA (MBUSA) WILL NOTIFY CERTAIN MODEL YEAR (MY) 1998 THROUGH 2003 M-CLASS OWNERS OF THE NEED TO BRING THEIR VEHICLES INTO DEALERS TO ADDRESS THE ISSUE PREVIOUSLY CAMPAIGNED UNDER MBUSA RECALL 2003-040005 (NHTSA RECALL 03V-121).THE MBUSA CAMPAIGN, WHICH ODI IS DESIGNATING RECALL 08V-465, WILL REPLACE THE POWER STEERING COOLER HOSE AND CLAMP IN ALL VEHICLES THAT RECEIVED THE ORIGINAL RECALL REMEDY FOR 03V-121 AND WHICH HAVEN'T RECEIVED A SUBSEQUENT REPAIR TO INSTALL A REVISED HOSE AND CLAMP.APPROXIMATELY ONE-THIRD OF THE VEHICLES THAT RECEIVED THE ORIGINAL REPAIR PROCEDURE AND PART...

PE03058 Opened 17 Dec 2003 Closed 22 Apr 2004 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

ENGINE CRANKSHAFT PULLEY FAILURE

THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS PRELIMINARY EVALUATION TO INVESTIGATE ALLEGATIONS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE THAT COULD RESULT IN LOSS OF POWER-STEERING ASSIST.ODI HAS RECEIVED A TOTAL OF 546 NON-DUPLICATIVE REPORTS THAT ALLEGE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON ALL MERCEDES-BENZ VEHICLES USING THE SUBJECT COMPONENT.THE SUBJECT COMPONENT FAILURES ARE PROGRESSIVE IN NATURE AND ONLY A SMALL PERCENTAGE OF THE COMPLAINTS AND WARRANT CLAIMS INVOLVED A FAILURE THAT HAD PROGRESSED FAR ENOUGH TO EFFECT POWER STEERING PERFORMANCE (6 OF...

Recalls on the 1999 Mercedes Benz M Class

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

11V208000

VEHICLE SPEED CONTROL:CRUISE CONTROL

MERCEDES-BENZ IS RECALLING CERTAIN MODEL YEAR 1999-2002 M-CLASS AND MODEL YEAR 2000-2003 M-CLASS AMG VEHICLES. THE CRUISE CONTROL SYSTEM IN THE AFFECTED VEHICLES ALLOWS THE DRIVER TO DISENGAGE THE SYSTEM IN A NUMBER OF WAYS, INCLUDING TAPPING THE BRAKE PEDAL, USING THE CRUISE CONTROL STALK, OR BRAKING THE VEHICLE ENOUGH TO REACH A CERTAIN RATE OF DECELERATION. MERCEDES-BENZ HAS DETERMINED THAT UNDER CERTAIN CIRCUMSTANCES USE OF THE BRAKE PEDAL MAY NOT AUTOMATICALLY DISENGAGE CRUISE CONTROL AS EXPECTED BY THE DRIVER, ALTHOUGH THE OTHER MEANS OF DEACTIVATING CRUISE CONTROL REMAIN FULLY OPERATIVE. SPECIFICALLY, WHERE THE DRIVER PUMPS THE BRAKES RATHER THAN APPLYING CONSISTENT PEDAL FORCE, THE LEVEL OF FORCE REQUIRED MAY BE UNUSUALLY HIGH.

Risk: DIFFICULTY OR DELAY IN DISENGAGING CRUISE CONTROL CAN INCREASE THE RISK OF A CRASH.

08V465000

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

MERCEDES-BENZ IS RECALLING 125,228 MY 1998-2004 M-CLASS VEHICLES. THE HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION.

Risk: THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP. THIS COULD RESULT IN A LOSS OF CONTROL AND A CRASH WITHOUT WARNING.

03V121000

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

ON CERTAIN PASSENGER VEHICLES, THE HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER MAY NOT PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION.

Risk: THE LOSS OF POWER STEERING FLUID MAY RESULT IN DIMINISHED POWER STEERING OVER TIME AND ULTIMATELY CAN DAMAGE THE POWER STEERING PUMP.

99V328000

SEAT BELTS:FRONT:ANCHORAGE

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE LATCHING MECHANISM ON THE SEAT BELT ASSEMBLY WAS NOT ASSEMBLED CORRECTLY. IF THE PLASTIC COVER IS LOOSE DURING THE ENGAGEMENT OF THE BUCKLE TONGUE TO THE LATCH MECHANISM, THE BUCKLE COULD UNLATCH.

Risk: IN THE EVENT OF A CRASH, THE SEAT OCCUPANT MAY NOT BE PROPERLY RESTRAINED, INCREASING THE RISK OF PERSONAL INJURY.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 55,000 miles Boca Raton, FL Fire

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

CAR CAUGHT ON FIRE WHILE DRIVING IN NORMAL CITY TRAFFIC. SMOKE BEGAN COMING OUT OF THE RIGHT SIDE OF THE HOOD. PULLED OVER IMMEDIATELY AND GOT OUT OF THE VEHICLE NOTICING FLAMES COMING FROM UNDERNEATH THE FRONT OF THE CAR. BY THE TIME THE FIREFIGHTERS PUT OUT THE BLAZE THE FRONT PART OF THE CAR WAS DESTROYED. THE CASE WAS INVESTIGATED BY PALM BEACH COUNTY FIRE RESCUE. THE VEHICLE WAS METICULOUSLY MAINTAINED BY OWNER. HAS BEEN SERVICED REGULARLY FOLLOWING THE SCHEDULE RECOMMENDED BY MANUFACTURER AND USED FUEL, LUBRICANTS ETC. RECOMMENDED BY MERCEDES BENZ. OWNER BOUGHT THE CAR NEW IN 1999 AND ALWAYS TOOK FOR SERVICES, SAFETY RECALLS AND REPAIRS TO AUTHORIZED MERCEDES BENZ DEALER. AT THE TIME OF THE FIRE, THE CAR HAD ARROUND 55,000 MILES. NOTE: THIS COMPLAIN WAS REPOTED VIA PHONE ALSO. CASE WAS INVESTICATED BY PALM BEACH COUNTY FIRE RESCUE.

NHTSA complaint #10054490 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 100,100 miles Needham, MA

SERVICE BRAKES, HYDRAULIC

DRIVING ON TAPPAN ZEE BRIDGE NEAR NYC AND SLOWED DOWN TO APPROX 15 MPH FOR TOLL BOOTH AND TRIED TO ACCELERATE OUT OF THE TOLLS. THE VEHICLE WAS VERY LOUD AND WOULD NOT ACCELERATE. IT ALMOST SOUNDED LIKE I WAS DRIVING OVER RUMBLE STRIPS AND I ALMOST CRASHED TRYING TO PULL OVER AS THE EZ-PASS IS ALL THE WAY ON THE LEFT SIDE OF THE FREEWAY. AFTER I GOT OUT THE FRONT PASSENGER ROTOR/CALIPER WAS ALMOST GLOWING AND ERUPTING WITH SMOKE, THE 3 OTHER BRAKES LOOKED FINE. THE SMOKE DID NOT STOP FOR AT LEAST 10-15 MINUTES AND IT SMELLED ABSOLUTELY TERRIBLE EVEN STANDING 15 FEET AWAY FROM THE VEHICLE. THE VEHICLE HAD TO BE FLAT-BEDDED TO THE DEALERSHIP AND THEY WHERE NOT ABLE TO DIAGNOSE THE ISSUE, THEY SAID IT SEEMED LIKE AN ELECTRICAL PROBLEM. AFTER BRINGING IT TO ANOTHER SHOP THEY SAID IT WAS A FAULTY YAW RATE SENSOR.

NHTSA complaint #10424020 — an unverified report by a vehicle owner.

at 100,100 miles Needham, MA

ELECTRONIC STABILITY CONTROL (ESC)

DRIVING ON TAPPAN ZEE BRIDGE NEAR NYC AND SLOWED DOWN TO APPROX 15 MPH FOR TOLL BOOTH AND TRIED TO ACCELERATE OUT OF THE TOLLS. THE VEHICLE WAS VERY LOUD AND WOULD NOT ACCELERATE. IT ALMOST SOUNDED LIKE I WAS DRIVING OVER RUMBLE STRIPS AND I ALMOST CRASHED TRYING TO PULL OVER AS THE EZ-PASS IS ALL THE WAY ON THE LEFT SIDE OF THE FREEWAY. AFTER I GOT OUT THE FRONT PASSENGER ROTOR/CALIPER WAS ALMOST GLOWING AND ERUPTING WITH SMOKE, THE 3 OTHER BRAKES LOOKED FINE. THE SMOKE DID NOT STOP FOR AT LEAST 10-15 MINUTES AND IT SMELLED ABSOLUTELY TERRIBLE EVEN STANDING 15 FEET AWAY FROM THE VEHICLE. THE VEHICLE HAD TO BE FLAT-BEDDED TO THE DEALERSHIP AND THEY WHERE NOT ABLE TO DIAGNOSE THE ISSUE, THEY SAID IT SEEMED LIKE AN ELECTRICAL PROBLEM. AFTER BRINGING IT TO ANOTHER SHOP THEY SAID IT WAS A FAULTY YAW RATE SENSOR.

NHTSA complaint #10424020 — an unverified report by a vehicle owner.

at 120,000 miles West Palm Beach, FL

SEAT BELTS

NHTSA CAMPAIGN 99V328000. SEAT BELT BUCKLE RECALL. SEAT BELT BUCKLE EVEN AFTER THE RECALL INSPECTION AND REPLACEMENT IS DEFECTIVE, THE CONNECTION IN BETWEEN METAL SPRING AND PLASTIC IS UNSAFE AND UNSAFE, IT IS MADE OUT OF CHEAP PLASTIC, EVENTUALLY PLASTIC WILL FAIL AND SEAT BELT WILL UNLATCH. IT WILL CAUSE SERIOUS INJURIES IN A CRASH OR HARD STOP, MERCEDES IS NOT OFFERING ANY WARRANTY OR REPLACEMENT I WAS KICKED OUT OF THE DEALER WHEN I COMPLAINED, THEY SAID THEY WILL CALL THE POLICE ON ME.

NHTSA complaint #10373917 — an unverified report by a vehicle owner.

at 120,000 miles West Palm Beach, FL

SEAT BELTS:FRONT:ANCHORAGE

NHTSA CAMPAIGN 99V328000. SEAT BELT BUCKLE RECALL. SEAT BELT BUCKLE EVEN AFTER THE RECALL INSPECTION AND REPLACEMENT IS DEFECTIVE, THE CONNECTION IN BETWEEN METAL SPRING AND PLASTIC IS UNSAFE AND UNSAFE, IT IS MADE OUT OF CHEAP PLASTIC, EVENTUALLY PLASTIC WILL FAIL AND SEAT BELT WILL UNLATCH. IT WILL CAUSE SERIOUS INJURIES IN A CRASH OR HARD STOP, MERCEDES IS NOT OFFERING ANY WARRANTY OR REPLACEMENT I WAS KICKED OUT OF THE DEALER WHEN I COMPLAINED, THEY SAID THEY WILL CALL THE POLICE ON ME.

NHTSA complaint #10373917 — an unverified report by a vehicle owner.

at 70,650 miles Bellingham, WA

ELECTRICAL SYSTEM

MY 1999 MERCEDES ML320 STALLED IN TRAFFIC ON THE INTERSTATE. I HAD IT TOWED TO THE DEALER WHO REPLACED THE CRANKSHAFT POSITION SENSOR WHICH SHOWED A MARGINAL PROBLEM. WE PICKED UP THE CAR AND BROUGHT TO THE ATTENTION OF THE MANAGER THAT THE "CHECK ENGINE" WAS ILLUMINATED. HE SAID THAT WAS BECAUSE THERE WERE SOME PLUGS MISFIRING, BUT THAT WOULD HAVE NO BEARING ON THE CAR STALLING. THE NEXT DAY, THE CAR STALLED IN TRAFFIC AND WAS AGAIN TOWED TO THE DEALER. THEY CAN FIND NOTHING WRONG WITH THE CAR AND SAY IT RUNS LIKE A TOP. WE REFUSED TO TAKE THE CAR UNTIL THE PROBLEM WAS RESOLVED SO IT WAS DECIDED THAT A TECHNICIAN WOULD DRIVE THE CAR UNTIL IT STALLED AGAIN. THAT HAS BEEN GOING ON FOR ONE WEEK WITH NO STALLING. WE ARE AT A LOSS AS TO HOW TO PROCEDE WITH THIS ISSUE. WE DO NOT FEEL IT IS SAFE TO DRIVE THE CAR BECAUSE WE FEAR IT WILL STOP AGAIN IN TRAFFIC AND CAUSE AN ACCIDENT AND/OR DEATHS.

NHTSA complaint #10360111 — an unverified report by a vehicle owner.

at 98,000 miles Castle Rock, CO

TIRES

TIRE ALMOST NO TREAD AFTER 31,000 MILES WARRANTY FOR 65,000 MILES.

NHTSA complaint #10310206 — an unverified report by a vehicle owner.

at 117,000 miles Renton, WA

STEERING

WHEN TRYING TO TURN MY VEHICLE FROM A PARKING LOT, THERE WAS A SUDDEN LEAKAGE OF POWER STEERING FLUID AND THE STEERING WHEEL BECAME SO HARD TO TURN. THE CAR WAS NOT IN DRIVABLE CONDITION AND I TOWED IT TO MY NEAREST SERVICE STATION. AFTER DIAGNOSIS, POWER STEERING HOSE AND CLAMP WERE REPLACED AND THE CAR IS RUNNING GOOD NOW. LATER I FOUND THAT THIS IS A KNOWN ISSUE IN 1999 MERCEDES ML 320 AND FOUND RECALL CAMPAIGN DETAILS OF THIS ISSUE IN NHTSA WEBSITE. BUT WHEN I CALLED MERCEDES USA TO GET A REIMBURSEMENT FOR THE REPAIR COST, THEY ARE REFUSING TO GIVE REIMBURSEMENT FOR A STRANGE REASON. I AM STILL FOLLOWING THIS ISSUE WITH THEM.

NHTSA complaint #10292555 — an unverified report by a vehicle owner.

at 221,000 miles Rutledge, TN

POWER TRAIN

1999 ML 320 BEGAN JERKING ON MEDIUM GRADES. JERKING WAS REPORTED TO KNOXVILLE TN. MERCEDES BENZ DEALERSHIP. THEY REPORTED THE TRANSFER CASE IS FAILING. THEY INDICATED THAT TO THEIR KNOWLEDGE THERE HAS NEVER BEEN A TRANSFER CASE FAILURE ON AN ML 320. I HAD THE TRANSFER CASE REPLACED AT A COST OF $4300.00.

NHTSA complaint #10277218 — an unverified report by a vehicle owner.

at 221,000 miles Rutledge, TN

POWER TRAIN:DRIVELINE

1999 ML 320 BEGAN JERKING ON MEDIUM GRADES. JERKING WAS REPORTED TO KNOXVILLE TN. MERCEDES BENZ DEALERSHIP. THEY REPORTED THE TRANSFER CASE IS FAILING. THEY INDICATED THAT TO THEIR KNOWLEDGE THERE HAS NEVER BEEN A TRANSFER CASE FAILURE ON AN ML 320. I HAD THE TRANSFER CASE REPLACED AT A COST OF $4300.00.

NHTSA complaint #10277218 — an unverified report by a vehicle owner.

OLD Greenwich, CT

STEERING

MY CAR STOPPED STEERING. I COULD NOT TURN THE STEERING WHEEL. IT OCCURRED ON SATURDAY, DECEMBER 13,2008. I HAD MY CAR TOWED TO A MEINEKE SHOP. THEY DISCOVERED THAT MY HOSE AND CLAMP HAD TO BE REPLACED. I WENT TO MY CLOSEST MERECEDES BENZ SERVICE CENTER IN GREENWICH, CT THE NEXT WEEK. THEY COMPLETED THE REPAIR. I SUBMITTED MY MEINEKE BILL OF $50.35 FOR REIMBURSEMENT TO MY SALESMAN, PHIL BOUTALL. I WAS TOLD THAT I WOULD GET THE REFUND IN A FEW DAYS. IT HAS NOW BEEN OVER 3 MONTHS. I HAVE MADE NUMEROUS CALLS TO MR BOUTALL AND SPOKE TO HIM PERSONALLY AS WELL AS LEFT MESSAGES. BESIDES EMPTY PROMISES AND UNRETURNED VOICE MAILS I HAVE NOT RECEIVED MY REIMBURSEMENT.

NHTSA complaint #10261954 — an unverified report by a vehicle owner.

at 120,000 miles Knoxville, TN

STEERING

TL*THE CONTACT OWNS A 1999 MERCEDES BENZ ML320. WHILE DRIVING APPROXIMATELY 40 MPH ON NORMAL ROAD CONDITIONS, THE POWER STEERING FAILED WITHOUT WARNING. IMMEDIATELY, THE DRIVER EXERTED MORE EFFORT TO TURN THE STEERING WHEEL. THERE WAS ALSO EXCESSIVE POWER STEERING FLUID LEAKING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION AND THEY DISCOVERED NHTSA CAMPAIGN ID NUMBER 03V121000 (STEERING;HYDRAULIC POWER ASSIST;HOSE, PIPING, AND CONNECTIONS). THE VEHICLE WAS REPAIRED FOR THE RECALL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ON TWO SEPARATE OCCASIONS FOR IDENTICAL FAILURES, BUT THERE WERE NO RESOLUTIONS. THE VEHICLE IS IN THE PROCESS OF BEING TAKEN TO AN INDEPENDENT MECHANIC FOR A SECOND OPINION. THE FAILURE MILEAGE WAS 120,000 AND CURRENT MILEAGE WAS 127,000.

NHTSA complaint #10255736 — an unverified report by a vehicle owner.

at 117,574 miles Niceville, FL

ELECTRICAL SYSTEM:IGNITION:MODULE

MY 1999 ML 320'S ENGINE RECENTLY (27 AND 29 SEPT 05) INSTANTANEOUSLY STALLED WITHOUT WARNING WHILE DRIVING-NO CHECK ENGINE LIGHT, JUST DIED IN THE MIDDLE OF THE ROAD!. GOOD WX, NO RAIN, DRY, DAYTIME. IT RESTARTED AFTER 5 MINS. TRAFFIC WENT AROUND ME. ML IS WELL MAINTAINED,VEHICLE HAS 117K MILES. MECHANIC COULD NOT DUPLICATE (NO CODES). FUEL PUMP CHECKED OK. AT MY REQUEST, THE MECH CHANGED OUT THE CRANKSHAFT POSITION SENSOR (CPS) ON 30 SEPT. COST TO REPAIR $251.96. ML320 HAS RUN FINE SO FAR (7OCT). I FEEL THAT THIS SUDDEN ENGINE FAILURE (CPS) WHILE DRIVING IS A SIGNIFICANT SAFETY ISSUE. DO YOU HAVE ANY INFORMATION ON THIS TYPE OF ML 320 ENGINE FAILURE CAUSED BY A FAILED CPS-PROBLEM.

NHTSA complaint #10139067 — an unverified report by a vehicle owner.

at 117,574 miles Niceville, FL

ENGINE AND ENGINE COOLING

MY 1999 ML 320'S ENGINE RECENTLY (27 AND 29 SEPT 05) INSTANTANEOUSLY STALLED WITHOUT WARNING WHILE DRIVING-NO CHECK ENGINE LIGHT, JUST DIED IN THE MIDDLE OF THE ROAD!. GOOD WX, NO RAIN, DRY, DAYTIME. IT RESTARTED AFTER 5 MINS. TRAFFIC WENT AROUND ME. ML IS WELL MAINTAINED,VEHICLE HAS 117K MILES. MECHANIC COULD NOT DUPLICATE (NO CODES). FUEL PUMP CHECKED OK. AT MY REQUEST, THE MECH CHANGED OUT THE CRANKSHAFT POSITION SENSOR (CPS) ON 30 SEPT. COST TO REPAIR $251.96. ML320 HAS RUN FINE SO FAR (7OCT). I FEEL THAT THIS SUDDEN ENGINE FAILURE (CPS) WHILE DRIVING IS A SIGNIFICANT SAFETY ISSUE. DO YOU HAVE ANY INFORMATION ON THIS TYPE OF ML 320 ENGINE FAILURE CAUSED BY A FAILED CPS-PROBLEM.

NHTSA complaint #10139067 — an unverified report by a vehicle owner.

at 84,000 miles Wyncote, PA

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

I WAS DRIVING ACROSS THE VERRAZANO NARROWS BRIDGE FROM BROOKLYN TO STATEN ISLAND. JUST PAST THE TOLLS, MY HARMONIC BALANCER FAILED, CAUSING THE SERPENTINE BELT TO SIZES AND STOPPING THE ENGINE. CONSEQUENTLY, I LOST STEERING AND BRAKING BECAME VERY HARD. I WAS MORE-OR-LESS POINTING TO AN SHOULDER/EMBANKMENT BETWEEN THE MAIN HIGHWAY AND THE EXIT IMMEDIATELY PAST THE TOLLS. I COASTED TO THAT EMBANKMENT AND USED ITS SLOPE IN PART TO HELP STOP THE VEHICLE. I WAS SUBSEQUENTLY TOWED TO RAY CATENA MERCEDES IN EDISON, NJ. I WAS INFORMED BY THE SERVICE ADVISOR THERE (MR. HESSERT) THAT THIS FAILURE WAS PART OF A "CAMPAIGN" AND THAT IT WOULD BE REPAIRED ALONG WITH ANY COLLATERAL DAMAGE "FOR FREE" BY MERCEDES. I ASKED "SINCE WHEN" WAS THIS CAMPAIGN IN EFFECT, THEY STATED SINCE APRIL OF 2005. I ASKED WHY I WAS NOT NOTIFIED OF THIS AS I AM THE REGISTERED OWNER. WE BOTH TOGETHER THEN CALLED MERCEDES CUSTOMER SERVICE AND WERE INFORMED THAT THERE WAS NO 'NOTICE' AND THAT THIS WAS NOT A FORMAL RECALL. HAD THIS FAILURE HAPPENED 40 MINUTES EARLIER WHILE I WAS ON THE LONG ISLAND EXPRESSWAY, OR 10 MINUTES LATER WHEN I WOULD HAVE BEEN ON THE GOETHALS BRIDGE, I WOULD HAVE BEEN AT THE VERY LEAST SEVERELY INJURED IF NOT DEAD NOT TO MENTION ANY OTHER VEHICLES AND INDIVIDUALS WHO WOULD INEVITABLY BEEN INVOLVED. I AM TOLD THAT THE _DEFECTIVE_ HARMONIC BALANCER WILL BE REPLACED ALONG WITH THE SERPENTINE BELT AND THE "UPPER OIL PAN" AS THAT PART WAS DAMAGED DURING THE FAILURE. I WILL REQUEST THAT THESE PARTS BE RETAINED.

NHTSA complaint #10134187 — an unverified report by a vehicle owner.

at 45,000 miles Superior, CO

STEERING

I HAVE PROBLEMS WITH MY CHECK ENGINE LIGHT FROM AND FAULTY OXYGEN SENSOR, THE CAR WAS REPAIRED UNDER WARRANTY. THEN I HAD A HOSE DISCONNECT AND LOST POWER STEERING PRIOR TO THE RECALL ON THE HOSE CLOAMP AND I PAID THE TOWING AND REPAIRS MYSELF. NOW I HAVE HAD A MAJOR MECHANICAL PROBLEM AND ON AUGUST 5TH, MY CAR LOST POWER STEERING, AIR CONDITIONING, THE BATTERY LIGHT CAME ON AND THEN MY CAR BEGAN OVERHEATING. APPARENTLY THE CRANKSHAFT BROKE AND IT SHREDDED ONE OF THE MAJOR BELTS, WHICH DAMAGED THE OIL PAN AND WATER PUMP. I IMMEDIATELY PULLED OVER AND HAD THE CAR TOWED 20 MILES TO THE DEALER. THE BILL IS GOING TO BE $3000. I SAW A SIMILAR COMPLAINT ON THE NHTSA WEB SITE. I AM CONCERNED THAT OTHER CONSUMERS MAY HAVE SIMILAR PROBLEMS AND MAY NOT BE ABLE TO PULL OVER SAFELY, NOT TO MENTION THE COST OF REPAIRS.

NHTSA complaint #10069784 — an unverified report by a vehicle owner.

at 45,000 miles Superior, CO

ENGINE AND ENGINE COOLING

I HAVE PROBLEMS WITH MY CHECK ENGINE LIGHT FROM AND FAULTY OXYGEN SENSOR, THE CAR WAS REPAIRED UNDER WARRANTY. THEN I HAD A HOSE DISCONNECT AND LOST POWER STEERING PRIOR TO THE RECALL ON THE HOSE CLOAMP AND I PAID THE TOWING AND REPAIRS MYSELF. NOW I HAVE HAD A MAJOR MECHANICAL PROBLEM AND ON AUGUST 5TH, MY CAR LOST POWER STEERING, AIR CONDITIONING, THE BATTERY LIGHT CAME ON AND THEN MY CAR BEGAN OVERHEATING. APPARENTLY THE CRANKSHAFT BROKE AND IT SHREDDED ONE OF THE MAJOR BELTS, WHICH DAMAGED THE OIL PAN AND WATER PUMP. I IMMEDIATELY PULLED OVER AND HAD THE CAR TOWED 20 MILES TO THE DEALER. THE BILL IS GOING TO BE $3000. I SAW A SIMILAR COMPLAINT ON THE NHTSA WEB SITE. I AM CONCERNED THAT OTHER CONSUMERS MAY HAVE SIMILAR PROBLEMS AND MAY NOT BE ABLE TO PULL OVER SAFELY, NOT TO MENTION THE COST OF REPAIRS.

NHTSA complaint #10069784 — an unverified report by a vehicle owner.

at 45,000 miles Superior, CO

EQUIPMENT:ELECTRICAL

I HAVE PROBLEMS WITH MY CHECK ENGINE LIGHT FROM AND FAULTY OXYGEN SENSOR, THE CAR WAS REPAIRED UNDER WARRANTY. THEN I HAD A HOSE DISCONNECT AND LOST POWER STEERING PRIOR TO THE RECALL ON THE HOSE CLOAMP AND I PAID THE TOWING AND REPAIRS MYSELF. NOW I HAVE HAD A MAJOR MECHANICAL PROBLEM AND ON AUGUST 5TH, MY CAR LOST POWER STEERING, AIR CONDITIONING, THE BATTERY LIGHT CAME ON AND THEN MY CAR BEGAN OVERHEATING. APPARENTLY THE CRANKSHAFT BROKE AND IT SHREDDED ONE OF THE MAJOR BELTS, WHICH DAMAGED THE OIL PAN AND WATER PUMP. I IMMEDIATELY PULLED OVER AND HAD THE CAR TOWED 20 MILES TO THE DEALER. THE BILL IS GOING TO BE $3000. I SAW A SIMILAR COMPLAINT ON THE NHTSA WEB SITE. I AM CONCERNED THAT OTHER CONSUMERS MAY HAVE SIMILAR PROBLEMS AND MAY NOT BE ABLE TO PULL OVER SAFELY, NOT TO MENTION THE COST OF REPAIRS.

NHTSA complaint #10069784 — an unverified report by a vehicle owner.

at 55,000 miles Boca Raton, FL Fire

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

CAR CAUGHT ON FIRE WHILE DRIVING IN NORMAL CITY TRAFFIC. SMOKE BEGAN COMING OUT OF THE RIGHT SIDE OF THE HOOD. PULLED OVER IMMEDIATELY AND GOT OUT OF THE VEHICLE NOTICING FLAMES COMING FROM UNDERNEATH THE FRONT OF THE CAR. BY THE TIME THE FIREFIGHTERS PUT OUT THE BLAZE THE FRONT PART OF THE CAR WAS DESTROYED. THE CASE WAS INVESTIGATED BY PALM BEACH COUNTY FIRE RESCUE. THE VEHICLE WAS METICULOUSLY MAINTAINED BY OWNER. HAS BEEN SERVICED REGULARLY FOLLOWING THE SCHEDULE RECOMMENDED BY MANUFACTURER AND USED FUEL, LUBRICANTS ETC. RECOMMENDED BY MERCEDES BENZ. OWNER BOUGHT THE CAR NEW IN 1999 AND ALWAYS TOOK FOR SERVICES, SAFETY RECALLS AND REPAIRS TO AUTHORIZED MERCEDES BENZ DEALER. AT THE TIME OF THE FIRE, THE CAR HAD ARROUND 55,000 MILES. NOTE: THIS COMPLAIN WAS REPOTED VIA PHONE ALSO. CASE WAS INVESTICATED BY PALM BEACH COUNTY FIRE RESCUE.

NHTSA complaint #10054490 — an unverified report by a vehicle owner.

at 100,000 miles Skillman, NJ

POWER TRAIN:DRIVELINE:DRIVESHAFT

DRIVE SHAFT FAILURE.

NHTSA complaint #10045211 — an unverified report by a vehicle owner.

at 46,600 miles Lafayette, IN

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

FIRST OCCURANCE WAS LEAKAGE 2 MONTHS PRIOR, CLAMP TIGHTENED BY DEALER. 2ND OCCURENCE ON REPORTED DATE, STARTED TO DRIVE OUT OF PARKING LOT, POWER STEERING HOSE BLEW OFF, LOST ALL FLUID AND POWER STEERING ASSIST.

NHTSA complaint #10007936 — an unverified report by a vehicle owner.

at 115,000 miles Highlands Ranch, CO

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

POWER STEERING HOSE CLAMPS. BASED ON PUBLISHED COMMENTS BY INDIVIDUALS ON VARIOUS INTERNET CHAT GROUPS FOR THIS TRUCK REGARDING HYDRAULIC FLUID LEAKS AND FAILURES OF THE POWER STEERING HOSE, I CHECK MY HOSES AND FOUND THAT THE LOWER HOSE WAS ABOUT TO COME OFF. THE CLAMP, WHICH WAS LOOSE, WAS RETIGHTENED.

NHTSA complaint #10007841 — an unverified report by a vehicle owner.

Medfield, MA

SEAT BELTS

TRANSMISSION FAILED, REPAIRED FOUR TIMES, ELECTRICAL SYSTEM, BATTERY FAILED, REPLACED, OZ SENSOR FAILED REPLACE 3 TIMES, FUEL SYSTEM PUMP AND SENSOR REPLACED, FRONT PASSENGER RESTRAINT SYSTEM FAILED

NHTSA complaint #9001677 — an unverified report by a vehicle owner.

Medfield, MA

POWER TRAIN:MANUAL TRANSMISSION

TRANSMISSION FAILED, REPAIRED FOUR TIMES, ELECTRICAL SYSTEM, BATTERY FAILED, REPLACED, OZ SENSOR FAILED REPLACE 3 TIMES, FUEL SYSTEM PUMP AND SENSOR REPLACED, FRONT PASSENGER RESTRAINT SYSTEM FAILED

NHTSA complaint #9001677 — an unverified report by a vehicle owner.

Medfield, MA

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

TRANSMISSION FAILED, REPAIRED FOUR TIMES, ELECTRICAL SYSTEM, BATTERY FAILED, REPLACED, OZ SENSOR FAILED REPLACE 3 TIMES, FUEL SYSTEM PUMP AND SENSOR REPLACED, FRONT PASSENGER RESTRAINT SYSTEM FAILED

NHTSA complaint #9001677 — an unverified report by a vehicle owner.

Medfield, MA

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

TRANSMISSION FAILED, REPAIRED FOUR TIMES, ELECTRICAL SYSTEM, BATTERY FAILED, REPLACED, OZ SENSOR FAILED REPLACE 3 TIMES, FUEL SYSTEM PUMP AND SENSOR REPLACED, FRONT PASSENGER RESTRAINT SYSTEM FAILED

NHTSA complaint #9001677 — an unverified report by a vehicle owner.