Complaints over time
Complaints about the 2026 Mercedes-Benz CLA 250+ (EV) by year filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2026 Mercedes-Benz CLA 250+ (EV)
Sedan, electric, RWD/Rear-Wheel Drive, built in Germany. Owner complaints on file from Aug 20, 2026 to Aug 20, 2026.
Recall campaigns covering this model year115 vehicles or units across those campaigns
Owner complaints1Close to the median 2026 sedan
Severity index0.02026 sedans average 15.1
First 24 monthsOpenWindow has not closed yet
Components
100% of complaints about the 2026 Mercedes-Benz CLA 250+ (EV) name driver assistance
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
One recall campaign covers the 2026 Mercedes-Benz CLA 250+ (EV)
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 26V-278 | May 1, 2026 | Front passenger seat belt retractor may have been manufactured with a defect that prevents the deactivation of the child seat safety function… | Seat belts | 15 | Part replacement |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2026 Mercedes-Benz CLA 250+ (EV)
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
1 complaint on file, page 1 of 1.
- Filed Aug 20, 2026Failure Aug 11, 2026Pacific Palisades, CAWarnings, Automatic emergency braking, Adaptive cruise control
While driving at 50mph, the vehicle came to a full stop in 2 seconds by auto breaking (to avoid collision) when there was no object or vehicle in front of the car. I almost got rear-ended as stopping from 50mph to 0 mph on a highway was extremely dangerous but luckily the car behind me was able to use the lane to my right to avoid the collision. When the vehicle was taken to the service center, the computer systems showed no record of this incident. However, I do have a dashcam footage of it. In the video, you can clearly see a stopped car on the left turn lane (the break lights of the car is visible and the car is stationary when the video is analyzed frame by frame.) The driving lane is curving to the right and the vehicle is also turning to the right following the lane. (this is verified by following the double yellow line - then the single solid white line and vehicle's motion to the right.) Despite all this, the car slammed the breaks and stopped. The video is seen by the service center workers as well. They updated the software on the car at the time of service. An escalated ticket was also created with Mercedes corporate office with case number: 23763407. At the very least, the cars should be keeping records of collision avoiding breaking administered by the car's system so when you're at the service center, there's a record of what happened. This incident could have resulted into a high-speed collision with severe injuries to the people in both vehicles and one pet. And if it did, the car would have shown zero record of functions performed and the drivers would have been blamed.
NHTSA complaint 11758250
Source: NHTSA ODI complaints file.
Investigations
NHTSA has not opened an investigation on this model year
Source: NHTSA ODI investigations file.
Service bulletins
61 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.
- LI54.30-P-080709 Sep 5, 2026 · Service Bulletin/Repair Instructions
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 holder for the MRR_F_Gen6 (B29/20) front… - LI54.71-P-080956 Sep 4, 2026 · Service Bulletin/Repair Instructions
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 Available". Cause Under Determination. Remedy P… - LI72.20-P-075746 Aug 24, 2026 · Service Bulletin/Repair Instructions
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… - LI82.90-P-080891 Aug 13, 2026 · Service Bulletin/Repair Instructions
Complaint • Driving assistance system fault messages are displayed in the driver display. • The switch lighting flashes at night/in the dark. • The following fault codes are stored in the N135 – steering wheel electronics control unit (LRE, SWSP174): B10440… - LI82.62-P-078631 Aug 6, 2026 · Service Bulletin/Repair Instructions
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 wor… - LI83.20-P-079911 Jul 22, 2026 · Service Bulletin/Repair Instructions
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 … - PSL-NCU Return Parts 7/24 Jul 24, 2026 · Other
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 Thursday, August 13th, 2026. After Aug… - LI35.30-P-058566 Jul 14, 2026 · Service Bulletin/Repair Instructions
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 exp… - LI82.25-P-080756 Jul 1, 2026 · Service Bulletin/Repair Instructions
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 ve… - LI54.30-P-080760 Jun 30, 2026 · Service Bulletin/Repair Instructions
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 … - LI91.10-P-080683 Jun 12, 2026 · Service Bulletin/Repair Instructions
Complaint Customer reports a squeaking or creaking sound (See Example) originating from the lower front seat area. This sound may occur under the following conditions: • Driving over uneven or rough road surfaces • During cornering / vehicle body movement •… - LI00.20-P-080703 Jun 12, 2026 · Service Bulletin/Repair Instructions
Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being investigated. Remedy To determine the cause, the… - LI54.71-P-080653 Jun 11, 2026 · Service Bulletin/Repair Instructions
Complaint After updating MB.OS to 1.3.7, every key cycle displays consistent instrument cluster message "Driver Assistance System Functions Limited Please Drive with Caution See Operator's Manual". Note: Verify this is the exact message, there are other var… - LI54.71-P-080653 Jun 8, 2026 · Service Bulletin/Repair Instructions
Complaint After updating MB.OS to 1.3.7, every key cycle displays consistent instrument cluster message "Driver Assistance System Functions Limited Please Drive with Caution See Operator's Manual". Note: Verify this is the exact message, there are other var… - ANN - CLA/174 May 23, 2026 · Other
In some cases, we are seeing issues with the CLA/174. After updating the CPR to 1.3.7, a coding mismatch is occurring between the CIVIC174 & IDC control units causing a driver assistance msg in the cluster. We are currently working diligently toward a solut… - LI54.71-P-080653 Jun 2, 2026 · Service Bulletin/Repair Instructions
Complaint After updating MB.OS to 1.3.7, every key cycle displays consistent instrument cluster message "Driver Assistance System Functions Limited Please Drive with Caution See Operator's Manual". Note: Verify this is the exact message, there are other var… - LI46.15-P-070510 May 22, 2026 · Service Bulletin/Repair Instructions
Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n… - LI54.71-P-080653 May 28, 2026 · Service Bulletin/Repair Instructions
Complaint After updating MB.OS to 1.3.7, every key cycle displays consistent instrument cluster message "Driver Assistance System Functions Limited Please Drive with Caution See Operator's Manual". Note: Verify this is the exact message, there are other var… - LI46.35-P-079982 May 21, 2026 · Service Bulletin/Repair Instructions
Complaint Fault code P063544 - The electric power steering is malfunctioning. There is an error in the data memory. Active and stored in the electric power steering control unit (N68) Cause The steering limitations of the electric power steering are not ful… - LI54.71-P-080345 May 19, 2026 · Service Bulletin/Repair Instructions
Complaint Brief (a few seconds), self-healing "driver assistance systems unavailable" messages are expected and normal due to system limitations and environmental effects. This can occur during startup of the vehicle but also during driving. No case is nece… - LI82.30-P-059239 May 19, 2026 · Service Bulletin/Repair Instructions
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled … - LI46.35-P-080591 May 18, 2026 · Service Bulletin/Repair Instructions
Complaint • Uneven steering feel when steering left and right, especially when steering near the center position. or • Squeaking noise when steering quickly around the center position Cause Variation in the steering gear due to manufacturing tolerances. Rem… - LI67.39-P-080552 May 7, 2026 · Service Bulletin/Repair Instructions
Complaint Customer reports that a side window will not close using the automatic (one‑touch) function, or the window reverses direction while closing. • Condition may occur on one or more doors • Fault code B25A3F0 may be stored in the affected door control… - LI46.15-P-070510 May 8, 2026 · Service Bulletin/Repair Instructions
Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible noises. • Instrument panel support • Steering column switch module If noise only occurs when adjusting the steeri… - NCU - 2026040004 May 9, 2026 · Service Campaign
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2026 CLA (174 platform) vehicles, the software of the communication module (ARTEMIS) might not be configured according to current product… - LI82.10-P-078301 Apr 16, 2026 · Service Bulletin/Repair Instructions
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm… - LI72.20-P-075746 Apr 2, 2026 · Service Bulletin/Repair Instructions
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… - LI54.71-P-080345 Apr 4, 2026 · Service Bulletin/Repair Instructions
Complaint Brief (a few seconds), self-healing "driver assistance systems unavailable" messages are expected and normal due to system limitations and environmental effects. This can occur during startup of the vehicle but also during driving. No case is nece… - LI54.71-P-080314 Apr 4, 2026 · Service Bulletin/Repair Instructions
Complaint Either during PDI or after updating vehicle software, there may be: • "A+S" - Active and Stored DTC • "S" - Stored DTC Some known erroneous DTC's are: • C1016E0 with error ID: SIG_ESP_71 • B15BF00 with error ID: SIG_SEMA_C_22 • U0420E2 with error … - LI54.71-P-080314 Mar 25, 2026 · Service Bulletin/Repair Instructions
Complaint Either during PDI or after updating vehicle software, there may be: • "A+S" - Active and Stored DTC • "S" - Stored DTC Some known erroneous DTC's are: • C1016E0 with error ID: SIG_ESP_71 • B15BF00 with error ID: SIG_SEMA_C_22 • U0420E2 with error … - LI82.60-P-080383 Mar 25, 2026 · Service Bulletin/Repair Instructions
Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause Root cause currently being investigated. Remedy Please do not replace any parts. Please … - LI82.85-P-080396 Mar 25, 2026 · Service Bulletin/Repair Instructions
Complaint Following update to MBOS 1.3.0 or higher, front passenger display becomes inoperable. Cause Back end documentation error. Remedy Perform special procedure in Xentry Diagnosis. Before starting, check Xentry Diagnosis for the latest add-ons. Ensure … - LI82.85-P-080390 Mar 24, 2026 · Service Bulletin/Repair Instructions
Complaint After a seamless update to ARTEMIS Release E216.4 (A 174 902 6104), there is no longer a backend connection between the MMC App and the vehicle. The following complaints are possible: • Vehicle remote control is not functional (unlocking/locking t… - LI54.71-P-080320 Mar 10, 2026 · Service Bulletin/Repair Instructions
Complaint Either during PDI or after updating vehicle software, there may be: • "A+S" - Active and Stored DTC • "S" - Stored DTC Cause Software status of IDC_GEN6 In some cases, a diagnosis session or a software update may generate fault codes that do not c… - LI32.25-P-070053 Mar 10, 2026 · Service Bulletin/Repair Instructions
Complaint There may be creaking noises when steering while stationary or driving slowly. See Example Noise attachment Cause The vehicle level of the front axle may be too low. The noises when steering can be caused by continuous contact of the end stop buff… - LI82.10-P-078301 Mar 9, 2026 · Service Bulletin/Repair Instructions
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm … - LI46.15-P-070510 Mar 2, 2026 · Service Bulletin/Repair Instructions
Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n… - LI82.90-P-080159 Feb 28, 2026 · Service Bulletin/Repair Instructions
Complaint Stored DTC C220564 - "There is an internal fault in the steering angle sensor. There is an implausible signal." In the quick test, there are also no other DTC's in other control units that point to or reference N80 Steering Column Control Module (… - LI54.71-P-080320 Feb 27, 2026 · Service Bulletin/Repair Instructions
Complaint Either during PDI or after updating vehicle software, there may be: • "A+S" - Active and Stored DTC • "S" - Stored DTC Cause Under determination. Remedy If: • All functions operate as intended AND • There are no persistent driver assist cluster me… - LI54.71-P-080157 Feb 27, 2026 · Service Bulletin/Repair Instructions
Complaint Driver assistance system warning messages in instrument cluster. MUST be in conjunction with a fault code in control unit N62/5 IDC (driver assistance systems): • B1D9198 (Stored) - The "Driver assistance system" control unit is malfunctioning. Ov… - LI54.71-P-080315 Feb 26, 2026 · Service Bulletin/Repair Instructions
Complaint Brief (a few seconds), self-healing "driver assistance systems unavailable" messages are expected and normal due to system limitations and environmental effects. No case is necessary for these. Please refer to the Owner's Manual for driver assista… - LI46.35-P-079901 Feb 26, 2026 · Service Bulletin/Repair Instructions
Complaint Steering force assistance unavailable after vehicle start along with several yellow warning messages and warning lamps for various driver assistance systems. Examples include but are not limited to: • Active Brake Assist • Active Lane Keeping Assi… - LI72.20-P-075746 Feb 25, 2026 · Service Bulletin/Repair Instructions
Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so tha… - LI82.10-P-078301 Feb 24, 2026 · Service Bulletin/Repair Instructions
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm … - LI46.35-P-079982 Feb 25, 2026 · Service Bulletin/Repair Instructions
Complaint Fault code P063544 - The electric power steering is malfunctioning. There is an error in the data memory. Active and stored in the electric power steering control unit (N68). Steering continues to operate without functional restrictions. Cause The… - LI83.20-P-079911 Feb 10, 2026 · Service Bulletin/Repair Instructions
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 … - LI47.70-P-076030 Feb 5, 2026 · Service Bulletin/Repair Instructions
Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The instrument cluster message and the FC memory entr… - LI01.30-P-072328 Feb 2, 2026 · Service Bulletin/Repair Instructions
Complaint -Check engine light illuminated. -Engine runs rough. -Poor shifting or jerking when accelerating. -Fault codes stored related to mixture formation, injector quantity adjustment, or misfire. Note: One or more of the above symptoms can occur. It is … - LI54.65-P-080132 Jan 30, 2026 · Service Bulletin/Repair Instructions
Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia… - LI82.85-P-078722 Jan 26, 2026 · Service Bulletin/Repair Instructions
Complaint The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is displayed as being in the middle of the ocean. Note: No relevant DTC is displayed during the quick test. Cause The GNSS antenna is not correctly … - LI46.15-P-070510 Jan 23, 2026 · Service Bulletin/Repair Instructions
Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n… - LI83.30-P-079850 Jan 16, 2026 · Service Bulletin/Repair Instructions
Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there are other Li's that apply to your concern OR you have a fault and/or guided te… - LI83.30-P-079850 Jan 15, 2026 · Service Bulletin/Repair Instructions
Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to … - LI83.30-P-079850 Jan 7, 2026 · Service Bulletin/Repair Instructions
Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to … - LI54.30-P-080136 Dec 15, 2025 · Service Bulletin/Repair Instructions
Complaint The complaint reported is that the driver display shows the message “Frunk open” although it is closed. No damage is present on the lock. The problem may occur in the following scenario: 1. Ignition on/vehicle ready to drive 2. Frunk is unlocked 3… - LI68.20-P-080012 Nov 18, 2025 · Service Bulletin/Repair Instructions
Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the customer beforehand. Common external factors identified include: • Fluid intrusion •… - LI68.20-P-080012 Nov 6, 2025 · Service Bulletin/Repair Instructions
Complaint USB port not functioning properly. Cause Most reported USB port issues are due to improper use or contamination. Note: Any repair costs must be discussed with the customer beforehand. Common external factors identified include: • Fluid intrusion •… - LI83.20-P-079911 Oct 20, 2025 · Service Bulletin/Repair Instructions
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 … - LI82.62-P-078631 Oct 10, 2025 · Service Bulletin/Repair Instructions
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 wor… - LI54.10-P-078888 Oct 6, 2025 · Service Bulletin/Repair Instructions
Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code "P0A7F00" stored in the 48 V battery G1/3 and/or is current. Remedy Update the 48V battery to SW 25/12 A0019020424 Then perform the foll…
Source: NHTSA manufacturer communications files.