AutoStatsIQ
Data through Oct 2026
Model year

2021 Mercedes-Benz AMG CLA35

Coupe, gasoline, built in Hungary. Owner complaints on file from Dec 2, 2025 to Dec 2, 2025.

Recalls (5)Complaints (1)Investigations (0)Bulletins (226)
Recall campaigns covering this model year52.32M vehicles or units across those campaigns
Owner complaints1Below the median 2021 coupe
Severity index0.02021 coupes average 7.5
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 Mercedes-Benz AMG CLA35 peaked in 2025, with 1 filed

Owner complaints about this model year, by the year they were filed with NHTSA.

00.250.50.751202512026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

5 recall campaigns cover the 2021 Mercedes-Benz AMG CLA35

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2021 Mercedes-Benz AMG CLA35
CampaignFiledSubjectComponentVehiclesRemedy
26V-481Jul 24, 2026Micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature…Latches and locks310,667Part replacement
22V-365May 20, 2022Error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) systemCommunication242,722Software update
22V-232Apr 8, 2022Rearview camera may not display the rearview image due to a software errorBack-over prevention126,443Software update
21V-354May 14, 2021MBUX multimedia system software may cause the display to remain black, or reboot after startupBack-over prevention343,191Software update
21V-058Feb 5, 2021Software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the…Communication1,292,258Software update
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Mercedes-Benz AMG CLA35

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.

  1. Filed Dec 2, 2025Failure Dec 1, 2025Duluth, GAUnknown or other

    The sunroof exploded on my CLA without external interference. The glass shattered everywhere causing a loud explosion and Major safety issue.

    NHTSA complaint 11702433
Source: NHTSA ODI complaints file.
Investigations

NHTSA has not opened an investigation on this model year

Source: NHTSA ODI investigations file.
All investigations
Service bulletins

226 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.

  • LI42.10-P-063502 Sep 1, 2026 · Service Bulletin/Repair Instructions
    Complaint Noises/ squealing from the service brake in various driving situations and ambient conditions. Cause Frictional vibrations Remedy The intent of this document is to reduce noise from high performance AMG brakes. AMG brakes are designed for performa…
  • LI 27.10-P-080851 Aug 29, 2026 · Service Bulletin/Repair Instructions
    Complaint 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 transitioning from a coasting condition to accelerator pedal application. May occur…
  • LI27.19-P-080869 Aug 29, 2026 · Service Bulletin/Repair Instructions
    Complaint Temporary no start condition with check engine light and multiple warning messages. When performing a quick test, the following fault code is stored in Y3/14 ‑ Transmission control for 8‑speed dual‑clutch transmission (DKG): P24F100 The wake‑up li…
  • CL - Tank Leak Detection Aug 15, 2026 · Warranty Program/Extension
    Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage for the Diagnostic Module for Tank Leakage …
  • LI27.19-P-080823 Aug 25, 2026 · Service Bulletin/Repair Instructions
    Complaint Customers may report one or more of the following: • Transmission malfunction message • Check engine light illuminated • Shifts into N • Concern disappears after ignition cycle When performing a quick test, the following fault code is stored in Y3…
  • 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…
  • LI54.65-P-080132 Aug 12, 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 di…
  • 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…
  • LI27.19-P-080823 Aug 4, 2026 · Service Bulletin/Repair Instructions
    Complaint Customers may report one or more of the following: • Transmission malfunction message • Check engine light illuminated • Shifts into N • Concern disappears after ignition cycle When performing a quick test, the following fault code is stored in Y3…
  • EW - DMTL Jul 31, 2026 · Warranty Program/Extension
    This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of…
  • LI54.21-P-080326 Jul 24, 2026 · Service Bulletin/Repair Instructions
    Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
  • LI46.10-P-078012 Jul 17, 2026 · Service Bulletin/Repair Instructions
    Complaint Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keeping Assist not available" "Active steering assist not available" Cause Possible causes:…
  • 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…
  • LI82.60-P-080383 Jul 8, 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 When a new station change request is triggered, a temporary glitch is causing the Head U…
  • LI54.21-P-080326 Jul 2, 2026 · Service Bulletin/Repair Instructions
    Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167: SW has been released. Update the FSAM to the latest SW version. 465, 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
  • 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…
  • LI82.85-P-080507 May 26, 2026 · Service Bulletin/Repair Instructions
    Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N1…
  • 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…
  • 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 …
  • LI32.25-P-070053 May 16, 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…
  • LI40.10-P-061032 May 15, 2026 · Service Bulletin/Repair Instructions
    Complaint Noises at the front axle when cornering or maneuvering (video files attached) Note: Save video files locally and play them with Windows Media Player. Cause Driving with summer tires in combination with low outside temperatures. At low outside temp…
  • LI54.65-P-080132 May 12, 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…
  • 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…
  • CL - 2026010005 Apr 18, 2026 · Other
    Dear Mercedes-Benz Owner: On behalf of Mercedes-Benz USA, LLC (“MBUSA”), thank you for being a part of the Mercedes-Benz family. We hope that you are enjoying your vehicle. Here at MBUSA, we are committed to delivering an exceptional ownership experience. I…
  • 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…
  • LI00.01-P-078887 Apr 24, 2026 · Service Bulletin/Repair Instructions
    Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
  • 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…
  • LI82.60-P-080383 Apr 2, 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 When a new station change request is triggered, a temporary glitch is causing the Head U…
  • Emissions - 2026010005 Apr 2, 2026 · Emissions
    Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles equipped with M139 gasoline engine, the nozzle geometry of the exhaust turbocharger might not meet specifications. This could affect exhaust flow i…
  • LI01.30-P-072328 Mar 27, 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 …
  • LI00.01-P-078887 Mar 25, 2026 · Service Bulletin/Repair Instructions
    Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
  • LI91.10-P-078305 Mar 26, 2026 · Service Bulletin/Repair Instructions
    Complaint The "easy entry and exit feature" function deactivates itself after a brief period. (see attachment) Cause The cause is currently being investigated. Remedy Update the HU7 to the latest software version, then perform a factory reset of the HU7. St…
  • 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-078722 Mar 11, 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 …
  • LI54.65-P-080132 Mar 9, 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…
  • 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…
  • LI54.10-P-073164 Mar 4, 2026 · Service Bulletin/Repair Instructions
    Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has dropped to 45% or less. Remedy This warning message appears as soon as the state …
  • 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…
  • LI54.65-P-080132 Feb 28, 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…
  • 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…
  • NCU - 2026020005 Feb 28, 2026 · Service Campaign
    Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the control unit software for the engine electronics does not correspond to the current series production configuration. This may cause the electr…
  • LI54.65-P-080132 Feb 13, 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…
  • NCU - 2025090001 Feb 13, 2026 · Service Campaign
    Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibility exists that the sealant bottle may leak or may have otherwise been removed…
  • LI82.85-P-080251 Feb 6, 2026 · Service Bulletin/Repair Instructions
    Complaint Activating Navigation Please Wait" message seen on central display. Cause Under Analysis Remedy 1.Reset the MBUX language (e.g., if the MBUX language is set to English, please change it to any other language and then set it back to English again) …
  • 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 …
  • LI00.01-P-078887 Jan 21, 2026 · Service Bulletin/Repair Instructions
    Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
  • 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 …
  • LI47.70-P-076030 Jan 10, 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…
  • 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 …
  • LI54.65-P-066284 Dec 18, 2025 · Service Bulletin/Repair Instructions
    Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The reversing camera or the 360° system functions normally when activated manually or …
  • LI27.19-P-080155 Dec 19, 2025 · Service Bulletin/Repair Instructions
    Complaint 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 controller units are subjected to a function test in an oil bath. Any oil resid…
  • LI54.65-P-080132 Dec 11, 2025 · 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…
  • LI82.00-P-080103 Dec 4, 2025 · Service Bulletin/Repair Instructions
    Complaint <p>A finger is permanently detected although none is present, but it is not identified (ghost function).</p><p>The result is a constant beep tone because no valid finger is detected and therefore no corresponding user profile can be assigned. </p>…
  • LI54.10-P-078888 Dec 3, 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 1. Perform software update: In the given problem case, update the so…
  • LI33.30-P-056665 Nov 15, 2025 · Service Bulletin/Repair Instructions
    Complaint 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 (and vice versa). Note: Sound file in attachment Cause If the complaint is eli…
  • 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 •…
Source: NHTSA manufacturer communications files.
About service bulletins