2011 Freightliner Mt55 problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control (1)
Safety recalls (2)
Power Train:automatic Transmission 2013-12-16 · campaign 13V634000 · 255 vehicles
Defect: Daimler Trucks North America (DTNA) is recalling certain model year 2009-2014 model year Freightliner Business Class M2 and Freightliner Custom Chassis MT45 and MT55 chassis manufactured August 27, 2008, through December 10, 2013 and equipped with Eaton hybrid automated transmissions. The software controlling the affected transmissions may improperly raise the vehicle's engine speed during downshifts without the driver's input.
Risk: The increase in engine speed may result in unintended acceleration, increasing the risk of a crash.
Fix: DTNA will notify owners and dealers will update the hybrid transmission software, free of charge. The recall began on February 5, 2014. Owners may contact DTNA at 1-503-745-6910. DTNA's recall number is FL-657.
Power Train:automatic Transmission 2010-06-07 · campaign 10V247000 · 204 vehicles
Defect: DTNA IS RECALLING CERTAIN MODEL YEAR 2010 AND 2011 FCCC MT55 CHASSIS MANUFACTURED FROM JUNE 18, 2009 THROUGH APRIL 15, 2010, AND EQUIPPED WITH CERTAIN EATON HYBIRD TRANSMISSIONS WITH PARK FEATURE. THE REVERSE IDLER SHAFT MAY CONTACT THE PARK FEATURE AND THE TWO COMPONENTS MAY BIND, PREVENTING THE PARK FEATURE FROM ENGAGING.
Risk: IF THE PARK FEATURE DOES NOT ENGAGE, THE VEHICLE CAN MOVE WITHOUT WARNING, POSSIBLY RESULTING IN PERSONAL INJURY OR A CRASH.
Fix: DTNA WILL NOTIFY OWNERS AND THE REMEDY WILL BE PERFORMED BY EATON CORPORATION FREE OF CHARGE. THE SAFETY RECALL BEGAN DURING 2010. OWNERS MAY CONTACT DTNA AT 1-800-547-0712 OR EATON AT 1-800-826-4357 OR 1-269-342-3242.
Service bulletins (101)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment 2019-08-07 · 19-008WI · Service Bulletin/Repair Instructions
warranty information letter sent to customers regarding new refrigerator supplier for returning parts.
Equipment:other:owners/Service/Other Manual 2017-12-25 · 17-029 · Service Bulletin/Repair Instructions
computer hook-up standard diagnostic time update
Equipment:other:owners/Service/Other Manual 2017-12-21 · 17CSA25 · Service Bulletin/Repair Instructions
17csa25 new method for uploading diagnostic log files to the csc
Equipment:other:owners/Service/Other Manual 2017-12-14 · 17CSA24 · Service Bulletin/Repair Instructions
17csa24 holiday schedule for the detroit customer support center
Equipment:other:owners/Service/Other Manual 2017-12-11 · 17-028 · Service Bulletin/Repair Instructions
owl enhancement service model field
Equipment:other:owners/Service/Other Manual 2017-12-07 · 17CSA23r · Service Bulletin/Repair Instructions
17csa23r detroit csc closed december 14, 2017 from 11:15 am - 1:15 pm eastern time
Showing the 6 most recent of 101 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-04-05 · Vehicle Speed Control · 47,000 mi“the contact owns a 2011 freightliner mt-55. the contact stated while coming to a complete stop and depressing the brake pedal, the vehicle inadvertently attempted to accelerate. the message "check hybrid system" was displayed. the contact applied more pressure to the brake pedal and the vehicle started to jerk. the vehicle then responded as needed …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.