Recalls, owner-reported complaints, investigations and safety data
Our database contains no NHTSA owner-reported complaints for the 2027 Mercedes-Benz C 300. 14 manufacturer communications are on file.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
No recalls in our database for this model year
That does not guarantee a specific vehicle is unaffected — recalls are issued against VINs, and new campaigns are announced regularly. Check a VIN on NHTSA.gov.
Reports submitted to NHTSA, shown in the owner's own words
No owner complaints recorded for this model year
Either none have been filed with NHTSA, or this vehicle is too new for reports to have accumulated.
A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.
ELECTRICAL SYSTEM
Issue Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, is launching an OTA update to the subject vehicles to provide an enhanced user experience. This OTA update includes enhancements to the MBUX voice assistant. Remedy MBUSA will conduct an OTA service campaign. Remote software updates are automatically downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.
SUSPENSION
Complaint Wheezing noises/squeaking noises from the front shock absorbers when passing over surface undulations and rough road. Noise MUST match those heard in the attached videos. Cause • Wheezing noises: Flow noises of the damper oil • Squeaking noises: From the mechanical rubber valve in the dividing piston Remedy In case of complaints, the front shock absorbers must be replaced. If shocks have been replaced and noise persists, please open a TIPS case to the Body, Chassis, Entertainment inbox.
STRUCTURE:BODY
Complaint Wheezing noises/squeaking noises from the front shock absorbers when passing over surface undulations and rough road. Noise MUST match those heard in the attached videos. Cause • Wheezing noises: Flow noises of the damper oil • Squeaking noises: From the mechanical rubber valve in the dividing piston Remedy In case of complaints, the front shock absorbers must be replaced. If shocks have been replaced and noise persists, please open a TIPS case to the Body, Chassis, Entertainment inbox.
ELECTRICAL SYSTEM
Issue A software update will be performed that provides enhancements to the robustness and system stability of the communication module. The update is free of charge and runs in the background, which takes about 8 minutes to install. During this time, the vehicle can be driven without any restrictions, and the new software will be active with the next ignition cycle. Remedy MBUSA will conduct an OTA service campaign. Remote software updates are automatically downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.
STEERING
Complaint Slight creaking noises when steering. Cause Noises may come from one or more sleeves of the horn contact plate. Remedy Remove the horn contact plate and check the sleeves for noise; see attached video. If necessary, apply lubricant to the sleeves.
VISIBILITY/WIPER
Complaint CEL illuminates and/or AC does not blow cold. Cause Potentially relevance to hardware and/or software Remedy Scenario 1: 1. If the AC does not blow cold air, replace compressor (if compressor's index and part number Figure 1 match against Table 1). a. If the compressor does not fall within Table 1, please open a TIPS case. b. Flush procedure must be followed as per WIS. Scenario 2: 1. If AC does blow cold. a. Follow the following procedure: i. Have the air conditioning system recharged. ii. Clear the fault codes afterward. iii. Let the vehicle stand for 8 hours (OBD reset condition). iv. Check whether the fault is still present. b. Open TIPS case with your findings and answers the following questions, send to the HV/LV inbox. i. When exactly did the MIL appeared (immediately at start‑up or while driving). ii. What was the ambient temperature, any special driving maneuvers, and whether the vehicle had just come out of a climate‑controlled garage.
Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.
Complaint and recall counts across every year of this model
| Year | Complaints | Recalls | Investigations | Issue Index |
|---|---|---|---|---|
| 2027Viewing | 0 | 0 | 0 | — |
| 2026 | 2 | 1 | 0 | — |
| 2025 | 4 | 2 | 0 | — |
| 2024 | 11 | 3 | 0 | 57.5 |
| 2023 | 22 | 9 | 0 | 51.8 |
| 2022 | 25 | 9 | 0 | 54.0 |
| 2021 | 15 | 7 | 0 | 57.4 |
| 2020 | 34 | 9 | 1 | 70.2 |
| 2019 | 70 | 17 | 1 | 62.8 |
| 2018 | 99 | 18 | 2 | 58.1 |
| 2017 | 216 | 15 | 2 | 62.0 |
| 2016 | 291 | 13 | 2 | 63.0 |
| 2015 | 382 | 11 | 3 | 58.3 |
| 2014 | 94 | 5 | 1 | 55.1 |
| 2013 | 262 | 6 | 1 | 54.9 |
| 2012 | 267 | 6 | 1 | 55.1 |
| 2011 | 480 | 6 | 2 | 56.6 |
| 2010 | 453 | 6 | 2 | 56.7 |
| 2009 | 576 | 8 | 3 | 58.5 |
| 2008 | 672 | 7 | 3 | 58.2 |
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.