Freightliner M2 Complaints

43 consumer complaints on file.

#11763795September 12, 2026
ELECTRICAL SYSTEM, ENGINE
While driving on the Interstate check-engine light came on, engine governed to very slow speeds and ultimately became undrivable. This has happened twice. In May and August of 2026. According to Velocity Truck Centers in North Las Vegas, NV Engine harness contacted and chafed around air compressor. Vehicle is at Velocity Truck Centers in North Las Vegas, NV. This is the same failure as described in DTNA's recall FL-858.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11719221February 19, 2026
TIRES
The contact owns a 2021 Freightliner XC-M. The contact became aware that the VIN was included in NHTSA Campaign Numbers: 21V00H000 (ELECTRICAL SYSTEM, EXTERIOR LIGHTING) and 21V921000 (TIRES). The contact had not experienced a failure. The contact reached out to the manufacturer with questions about the recalls. The vehicle was repaired under NHTSA Campaign Number: 21V00H000 (ELECTRICAL SYSTEM, EXTERIOR LIGHTING). However, the manufacturer informed the contact that the repair for NHTSA Campaign Number: 21V921000 (TIRES) would not be completed because the recall had expired.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11696931November 1, 2025
ENGINE
Rocker arm failure. Detroit released repair at no cost on the DD15 and up but not on the DD5 when they have the exact same problem and design and parts as the larger engines and they know that it is a problem.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11672079July 8, 2025
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
The contact owns a 2021 Freightliner XC Line Motorhome. The contact stated that the ICU on the coach had delaminated over time and made it difficult to read. There was no warning light illuminated. The vehicle was diagnosed, and the contact was advised that the ICU panel was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 17,800.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11650436March 25, 2025
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
The contact owns a 2021 Freightliner M2. The contact stated while driving at various speeds and slightly depressing the accelerator pedal, the pedal travelled down to the floorboard and was stuck, causing the vehicle to accelerate unintendedly. The contact depressed the brake pedal, but the vehicle failed to respond. The contact shifted to neutral(N), pulled over to the side of the road, and turned off the vehicle. The contact stated that upon restarting the vehicle, the vehicle operated as needed temporarily. The contact stated that the failure had caused him to pull over to the side of the road several times in one drive. The contact stated that the failure had been recurring intermittently. The contact stated that while driving 40 MPH, the failure recurred, and the vehicle accelerated unintendedly to 70 MPH. The contact stated that the vehicle was taken to the dealer several times. The dealer test-drove the vehicle and informed the contact that the failure could not be duplicated. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 15,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11645237February 27, 2025
TIRES
See attached document for complaint.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11639126January 28, 2025
POWER TRAIN
The contact called on behalf of the owner of a 2017 Freightliner M2. The contact stated while driving 15 MPH, the vehicle lost automotive power and slammed into gear. The vehicle returned to normal functionality and the contact was able to pull over to the side of the road. The message "Range Motion Detected" was displayed on the instrument panel. The contact continued driving slowly. An independent mechanic went to the workplace to diagnose the vehicle. The contact was informed that the retaining clip had failed, causing the hose to pop out and transmission fluid to leak. The vehicle was repaired but the failure persisted. The contact stated the vehicle failed to shift into reverse(R) or drive(D). The manufacturer was not notified of the failure. The vehicle remained at the workplace and had not been driven since the failure. The failure mileage was approximately 180,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11634557January 7, 2025
ELECTRICAL SYSTEM, ENGINE
The contact owns a 2021 Freightliner M2. The contact stated that while a driver was driving at an undisclosed speed, the vehicle started decelerating unintendedly and then stalled. There were no warning lights illuminated. The driver was able to coast to the side of the roadway. The driver was unable to restart the vehicle. The vehicle was towed to the dealer who stated that there was an excessive amount of oil in the engine. The dealer determined that the engine had failed and needed to be replaced. The dealer linked the failure to NHTSA Campaign Number: 20V466000 (Electrical System, Engine); but the VIN was not included in the recall, and the vehicle was out of warranty. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 151,024.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11620636October 18, 2024
FORWARD COLLISION AVOIDANCE
The contact owns a 2022 Freightliner M2. The contact stated while driving at an undisclosed speed, the Forward Collision Avoidance warning light inadvertently illuminated with no traffic nearby. The contact stated that the brake pedal inadvertently engaged, causing the contact to lose control of the vehicle. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 19,408.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586742May 3, 2024
UNKNOWN OR OTHER
DEF header failure. This is an emissions issue and it disables the truck when it fails.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586751May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586753May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586761May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586764May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586767May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586774May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586781May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586783May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586795May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11586804May 3, 2024
UNKNOWN OR OTHER
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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