2014 Mercedes-Benz AMG CLA45 Transmission and drivetrain Problems
- Complaints
- 3about this part
- Share
- 19%of 16 total for the year
- Median mileage
- 48,234miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the transmission and drivetrain of the 2014 Mercedes-Benz AMG CLA45, 19% of the 16 complaints for this model year. Where a mileage was given, the median is 48,234 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I just replaced the valve body in my vehicle and the problem is still there I was a Mercedes-Benz technician and some friends advise me to do this but then I got the code that said that the y3/14 which is listed in the 2016 models. This was the same problem I was having as described in the campaign. I have uploaded a photo which shows the same white 3/14 from the scanner. Mileage 49k euro motorcar would not warranty trans. …”
NHTSA complaint #11397205, filed 2021-02, 48,234 miles“While driving on the highway approximately 65 MPH in 7th gear in the automatic 'drive' transmission mode the car switched itself into neutral for a couple of seconds (losing all power/throttle) until switching itself directly back into 7th gear. Then did the same thing again approximately 5 seconds later. Each episode of having no access to power in neutral lasted approximately 2 seconds.”
NHTSA complaint #11152369, filed 2018-11, 30,000 miles“The contact owns a 2014 Mercedes-Benz AMG CLA45. The contact stated while driving 30 MPH, the contact heard a grinding sound coming from underneath the rear of the vehicle. The contact stated no warning light was illuminated. The contact pulled over safely but found no issues. The contact took the vehicle to the local dealer, where it was diagnosed with needing the rear differential to be replaced. The dealer changed the differential fluids but did not replace the rear differential. The contact drove the vehicle home and noticed that the vehicle was leaking fluid. …”
NHTSA complaint #11451902, filed 2022-02, 60,000 milesRelated service bulletins
- 11037211Aug 29, 2026Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. May be most noticeable when…
- 11035005Jul 14, 2026Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of…
- 11026832Dec 19, 2025Complaint Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1. Cause As part of the production process, the electrohydraulic…
- 11025648Nov 15, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11023193Sep 17, 2025Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause…
- 11019018May 21, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11013298Jan 16, 2025Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse…
- 11010818Nov 20, 2024Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause…
- 10151943Jul 16, 20187G-DCT: Scratching noise when changing gear from D to R when transmission cold.
- 10167510Feb 28, 2014The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 2 | 33% |
| 2014 | 3 | 19% |
Other parts of the 2014 Mercedes-Benz AMG CLA45
3 complaintsElectrical system
3 complaintsBody and structure
3 complaintsEngine
2 complaintsFuel system
2 complaintsOther or unknown
2 complaintsTires
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2014 Mercedes-Benz AMG CLA45
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology