RoadVitals

1999 Mercedes-Benz ML320 Fuel system Problems

Owner-reported complaints naming the fuel system system, filed with NHTSA

Data refreshed

Fuel system reportsComplaints 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.
14
Latest Jun 15, 2017
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
11%
of 125 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks. Every record below is an owner-reported complaint about the 1999 Mercedes-Benz ML320 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 14 reports on file name it.

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

Owner reports naming fuel system

Shown in the owner’s own words, exactly as filed

BrakesFuel system
Filed Jun 15, 2017

THIS IS IN REGARD TO NHTSA ID #10033607, ALSO MERCEDES BENZ SERVICE CAMPAIGN #2009100002 DATED JAN 2010, FOR MODEL 163. MY VEHICLE ISN'T COVERED BY ABOVE MERCEDES SERVICE CAMPAIGN BECAUSE IT'S V-6 MODEL, BUT SHOWING EXACTLY THE SAME SAFETY PROBLEM. I'VE TAKEN AND ATTACHED A FEW PHOTOS OF THE PROBLEM AREA SHOWING SEVERE DAMAGE TO FUEL LINE AND LESS SO TO BRAKE LINE. THE PHOTOS SHOWING SEVERE CHAFING BETWEEN FUEL LINE & BRAKE LINE JUST BELOW MASTER CYLINDER. THE SERVICE CAMPAIGN ONLY COVERS 8 CYLINDER MODELS, BUT MY 6 CYLINDER MODEL IS SHOWING EXACTLY THE SAME CHAFING AT THE SAME AREA. I HAVE NOT EXPERIENCED ANY PROBLEM, BUT JUST NOTICED THIS ISSUE LAST FEW DAYS.

NHTSA ID
10995430
Incident
Jun 13, 2017
Mileage
212,000 mi
Fuel system
Filed May 4, 2009

GAS PEDAL STUCK ON THE MERCEDES ML320 AND THEN THE BRAKE PEDAL WENT TO THE FLOOR (NO BRAKES) UNTIL A SECOND AND THIRD TRY. *TR

NHTSA ID
10267687
Incident
May 3, 2009
Mileage
107,000 mi
Fuel system
Filed Jan 27, 2005

THE COMPUTER LET THE CONSUMER KNOW THAT BRAKE PADS WERE DEFECTIVE, WHILE TAKING THE VEHICLE OUT ON A TEST DRIVE CALIPER LOCKED UP. PRIOR TO THIS HAPPENING VEHICLE WAS STARTING IN THIRD GEAR, INSTEAD OF FIRST GEAR. IT DIFFICULT TO MOVE OUT IN TRAFFIC. DEALER/MECHANIC EXPERIENCED THE SAME PROBLEM, AND REPLACED THE FUEL PUMP, AND FUEL LINE.*AK

NHTSA ID
10109044
Incident
Jan 26, 2005
Mileage
33,000 mi
BrakesEngineFuel system+1 more
Filed May 28, 2004

FUEL GAUGE DOES NOT READ CORRECTLY/RUN OUT OF FUEL/ENGINE QUITS LOSS OF CONTROL, POWER BRAKES AND STEERING MAY LEAD TO CRASH/DEFECT *LA

NHTSA ID
10074445
Incident
Mar 31, 2004
Fuel system
Filed Nov 10, 2003

VEHICLE HAS A FAULTY FUEL PUMP.*MR THE CONSUMER RECEIVED A RECALL LETTER REGARDING THE POWER STEERING, HOWEVER THE CONSUMER DID NOT STATE IF THE VEHICLE EXPERIENCED A FAILURE. *JB *NLM

NHTSA ID
10048186
Fuel system
Filed Jul 29, 2003

BASED ON A DEALER RECCOMENDATION, I HAVE BECOME AWARE THE MERCEDES BENZ HAS BEEN CONDUCTING AND UNPUBLICISED "CAMPAIGN" TO ADVISE OWNERS OF CERTIAN OF THE ML SERIES SUVS OF THE DESIREABILITY OF "UPGRADING", AT THE OWNERS EXPENSE, THE FUEL SYSTEM INCLUDING FILTERS AND LINES. THIS IS APPARENTLY IN RESPONSE TO A NUMBER OF FUEL FILTER AND FUEL PUMP FAILURES, ASCRIBED BY MERCEDES TO "POOR QUALITY U.S. FUEL" THESE FAILURES HAVE THE EFFECT OF IMMOBILIZING THE CAR, WITHOUT WARNING. THESE UNEXPECTED STOPPAGES CN HAVE VERY SERIOUS SAFTEY IMPLICATIONS IF THEY OCCUR IN A MOVING TRAFFIC FLOW SITUATION. MERCEDES IS WELL AWARE OF THIS PROBLEM BUT HAS NOT DIRECTLY INFORMED OWNERS AND TAKES THE POSITION THAT IT IS NOT A SAFTEY ISSUE AND THEREFORE NOT SUBJECT TO A RECALL. I BELIEVE THAT A DOCUMENTED PROBLEM, ASCRIBABLE TO FAULTY DESIGN OR MATERIALS THAT CAN LEAD TO A SUDDEN AND UNEXPECTED LOSS OF POWER IS A VERY SERIOUS HAZARD AND SHOULD BE CORRECTED BY THE MANUFACTURER.*AK

NHTSA ID
10030378
Incident
Jul 29, 2003
BrakesFuel system
Filed Mar 17, 2003

1.) BRAKE PADS NEED REPLACING AFTER 10,000 MILES. 2.) FUEL FILTER REPLACEMENT REQUIRES NEWLY DESIGNED PART AND ADDITIONAL HOSES, CLAMPS ETC TOTALING OVER $300. BECAUSE PREVIOUS PART CAUSES FUEL LEAKS(?) AND NOT AVAILABLE. SHOULDN'T MB PAY FOR PART OF THIS?? *NLM

NHTSA ID
10010610
Incident
Mar 1, 2003
Fuel systemSteering
Filed Mar 4, 2003

THE POWER STEERING FAILED UPON STARTING THE VEHICLE. FUEL LEAKED AND MADE IT DIFFICULT FOR THE DRIVER TO CONTROL THE VEHICLE. *NLM

NHTSA ID
10009743
Incident
Feb 15, 2003
Mileage
64,225 mi
Fuel system
Filed Oct 10, 2002

CONSUMER STATES THAT WHILE DRIVING AT ANY SPEED AND NO WARNING THE FUEL TANK CRACKED CAUSING FLUID TO LEAK OUT. DEALER NOTIFIED. MR

NHTSA ID
8020580
Incident
Oct 3, 2002
EngineFuel system
Filed Aug 1, 2001

CONSUMER STATES FUEL PUMP FAILED THREE TIMES.*YH

NHTSA ID
562345
Incident
Feb 11, 2000
Fuel system
Filed May 17, 2001

VEHICLE WAS SHUTTING OFF AND BURNING A LOT OF GAS. CONSUMER WAS GOING ON A TRIP, AND DEALER CHECKED VEHICLE THE DAY BEFORE THE ROAD TRIP. CONSUMER WAS 100 MILES AWAY, AND VEHICLE CUT OFF. VEHICLE WAS TOWED TO NEAREST DEALER. CAUSE STILL CANNOT BE FOUND.*AK

NHTSA ID
888502
Incident
Jan 11, 2001
Body & structureElectricalFuel system+2 more
Filed Aug 11, 2000

WIRES ON THE FUEL SENDING UNITS CORRODE IN GASOLINE AND SEND FALSE ELECTRICAL SIGNALS TO THE FUEL GAUGE. *SLC

NHTSA ID
553625
EngineFuel system
Filed Jun 30, 2000

VEHICLE HAS EXPERIENCED A NO START CONDITION. DEALER HAS REPLACED FUEL PUMP TWICE, BUT DEFECT STILL OCCURS. *AK

NHTSA ID
864570
Fuel system
Filed Nov 23, 1999

NOTICED POOR GAS MILEAGE. CONTACTED DEALER, AND REPLACED FUEL SENDING UNIT. SECOND TIME REPLACED A FUEL PUMP . ALSO, ENGINE CHECK LIGHT CAME ON.

NHTSA ID
851807
Incident
Oct 14, 1999

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.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .