Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back on
Vehicle safety record
2018 Mack GU Problems, complaints & recalls
Owners have filed 1 complaint about the 2018 Mack GU with NHTSA, most often about the electrical system (1) and the lights (1). There are no recalls for it.
NHTSA data checked
AFar fewer problems than a typical GU year, for its age
#365 most complained-about 2018 vehicle
- Complaints
- 1
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Most common 2018 Mack GU problems
Share of all 1 complaints. One complaint can name more than one area. Tap an area for its complaints and recalls.
No recalls for the 2018 Mack GU
NHTSA lists no recalls for the 2018 Mack GU. Recalls can be announced at any time - this page updates daily.
What owners say
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1 complaints about the 2018 Mack GU
Newest first, as filed with NHTSA by owners.
Mack GU: every year compared
All GU years2018 Mack GU vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2018 Mack GU | 1 | 0 | A | |
| 2018 Mack Granite (GU) | 1 | 4 | C | Compare |
| 2018 Mack Mru | 1 | 1 | B | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 2018 Mack GU
Does the 2018 Mack GU have any recalls?
NHTSA lists no recalls for the 2018 Mack GU right now. Recalls can be announced at any time, and this page checks NHTSA every day. You can also check your exact vehicle by VIN at nhtsa.gov/recalls.
What are the most common problems with the 2018 Mack GU?
By the complaints owners filed with NHTSA, the most common problem areas are the electrical system (1), lights (1), visibility & wipers (1).
How many complaints has the 2018 Mack GU had?
1 complaints have been filed with NHTSA, the first on April 15, 2022 and the latest on April 15, 2022. Of these, 0 describe a crash and 0 a fire, and together they report 0 injuries and 0 deaths.
Is the 2018 Mack GU a reliable vehicle?
Its Safety Index is 93 out of 100 (grade A: far fewer problems than a typical Mack GU year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
Which Mack GU years have the most complaints?
2009 (1), 2010 (1), 2013 (1). See every Mack GU year compared.
What should I do if my 2018 Mack GU has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data