2011 Freightliner MT55 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2011 Freightliner MT55, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Driver assistance150.0%
- Other / unspecified150.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
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 once coming at a complete stop. The contact stated that the failure had been reoccurring while driving. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The failure mileage was approximately 47,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
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 once coming at a complete stop. The contact stated that the failure had been reoccurring while driving. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The failure mileage was approximately 47,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
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.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .