AI Damage2027 Mercedes-Benz CLA 350 4matic (EV): common problems
The maker issued 22 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 22
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 13 |
| Structure | 0 | 0 | 4 |
| Steering | 0 | 0 | 3 |
| Powertrain | 0 | 0 | 2 |
| Visibility | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Engine | 0 | 0 | 1 |
| Lane departure | 0 | 0 | 1 |
| Seats | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint 174 with MB.OS 2.1.3 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not…
Complaint 174 with MB.OS 2.1.3 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not Self‑Extinguish. When vehicle is shut off, instrument cluster message appears for "Driver Assistance Systems…
- Complaint Clanking noise from the area of the speakers in the doors
Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and…
- Complaint The vehicle pulls to the left or right
Cause In vehicles with Car Package Release "CPR" 2.1.0 or prior, the calibration value for the straight‑line stability of the electric power steering is not fully calibrated. Remedy Install Car Package Release 2.1.1 or…
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. Cause Although the cause of the vibration…
- Complaint Display message in the instrument cluster for "Active Brake Assist Inoperative" or "DISTRONIC…
Complaint Display message in the instrument cluster for "Active Brake Assist Inoperative" or "DISTRONIC inoperative". AND Fault code C1100FC or C1100FD is Active or Active and Stored in MRR_F_Gen6 (B29/20). Cause The…
- Complaint 174 with MB.OS 2.1.1 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not…
Complaint 174 with MB.OS 2.1.1 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not Self‑Extinguish. When vehicle is shut off, instrument cluster message appears for "Driver Assistance Systems…
- Complaint Tailgate opens unintentionally
Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so…
- Complaint High-frequency cheeping or ticking when heating is requested in the instrument panel area
Cause Variable switching frequencies in the high-voltage on-board electrical system can cause vibrations that lead to noise complaints on the HV-PTC N33/16 (air heater). Remedy Perform the following steps: 1. Compare…
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,…
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than…
- Single 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 travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the…
- Complaint Customer receives a message about an overheated vehicle battery
Cause In very rare cases ARTEMIS is sending a battery warning event to the Mercedes Intelligent Cloud (MIC) even though the signal is not present on the vehicle. Remedy Update the vehicle to the latest available car…
- Complaint Display message in the instrument cluster
"Driving assistance system function limited" This message can occur repeatedly while driving. Note: Fault code U160E97. Additionally, P161400 and/or C11009A may also be stored. Affected control units can be any of the…
NHTSA lists 22 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2027 Mercedes-Benz CLA 350 4matic (EV)?
There are no owner complaints in the NHTSA data for this year; the data comes from 22 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2027 Mercedes-Benz CLA 350 4matic (EV)?
NHTSA lists 22 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2027 Mercedes-Benz CLA 350 4matic (EV) from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2027 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.