Owner reports · Recalls · Investigations
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →Owner complaints by model year
Compare all W350 years →Counts vary with age, sales and reporting. They are not failure rates.
No component reports in this snapshot.
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Mileage at the reported incident
Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
NHTSA owner reports · September 18, 2026 snapshot.
No matching complaints in this snapshot.
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Opened Apr 5, 1989 · Closed Jun 26, 1989
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
SUMMARY:TWO FLEETS REPORT 32 INCIDENTS OF FUEL TANK STRAP FAILURE ONVEHICLES EQUIPPED WITH THE OPTIONAL 30 GALLON TANK.===
Opened Aug 7, 1987 · Closed Nov 9, 1987
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
SUMMARY OF INFORMATION FROM MANUFACTURER:HIGH UNDERHOOD AND EXHAUSTTEMPERATURES ARE A CUSTOMER SATISFACTION CONCERN INVOLVING A VERY LIMITEDNUMBER OF VEHICLES OPERATED BY A FEW SEVERE SERVICE FLEET LOCATIONS.WEARE NOT AWARE OF ANY ACCIDENTS OR FIRES CAUSED BY THE CONDITION, AND WE DONOT CONSIDER IT TO PRESENT A RISK TO MOTOR VEHICLE SAFETY.ANALYSIS:EPA REQUIREMENTS FOR HEAVY DUTY VEHICLES CAUSED EMISSION SYSTEMCHANGES FOR THE 1985 AND 1987 CALENDAR YEARS.BEGINNING IN 1985 DUAL AIRPUMPS REPLACED THE SINGLE UNIT, AND DUAL CATALYTIC CONVERTERS WERE ADDED IN1987.THE CHANGES INCREASED UNDERHOOD AND EXHAUST SYSTEM TEMPERATURES.CONCERNS INCLUDE DRIVEABILITY AND VAPOR LOCK PROBLEMS DUE TO HOT FUELHANDLING AND HEAT DAMAGE TO THE 4 WD DISCONNECT VACUUM RESERVOIR, EXHAUSTSYSTEM HANGERS, SPEEDOMETER CABLE, AND WINDSHIELD WASHER BOTTLE.CURRENTLYMEANS TO REDUCE AND BETTER MANAGE THE TEMPERATURES ARE BEING STUDIED.CONSIDERATIONS ARE: AIR PUMP DIVERTER SYSTEMS, HEAT SHIELD FOR AFFECTEDUNDER BODY COMPONENTS, AND REROUTING FUEL SUPPLY LINES AWAY FROM HEATSOURCES.ADDITIONALLY FIVE TECHNICAL SERVICE BULLETINS HAVE BEEN ISSUEDREGARDING VAPOR LOCK ON THE SUBJECT VEHICLES.PROPOSED ACTION:CLOSE THIS PE.NO SAFETY RELATED DEFECT HAS BEENDETECTED.===
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