2003–2004 Unimog U500 Recall: ON CERTAIN TRUCKS EQUIPPED WITH MICHELIN 365/85 R20 TIRES, THE TIRES MAY…
NHTSA campaign 04V537000 · Tires · filed Nov 8, 2004 · verified Jul 30, 2026
The defect
ON CERTAIN TRUCKS EQUIPPED WITH MICHELIN 365/85 R20 TIRES, THE TIRES MAY NOT BE COMPATIBLE WITH THE MAXIMUM LOAD AND MAXIMUM SPEED RATINGS.
The risk
VEHICLE OVER-LOADING AND TIRE UNDER-INFLATION WILL RESULT IN VEHICLE ROLLOVER AND INJURY TO OCCUPANT.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DEALERS WILL REPLACE THE TIRES WITH MICHELIN 395/85 R20, AND AN UPDATED GROSS AXLE WEIGHT RATINGS (GAWR) CERTIFICATION LABEL WILL BE AFFIXED TO THE VEHICLE. THE RECALL BEGAN ON DECEMBER 3, 2004. OWNERS SHOULD CONTACT FREIGHTLINER AT 1-800-547-0712.
FREIGHTLINER RECALL NO.FL-434.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
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Other campaigns involving Unimog vehicles
Source: NHTSA recall database, campaign 04V537000 (manufacturer number FL-434). Data last verified Jul 30, 2026.