2024 Mercedes-Benz C 300 4matic problems, complaints & recalls
Most-reported problem areas: Suspension (1) · Service Brakes (1) · Exterior Lighting (1)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (112)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions
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.
Power Train 2026-09-26 · LI27.00-P-073124 · Service Bulletin/Repair Instructions
complaint customer complaints relating to automatic transmission 725.0 (nag3 classic /9g‑tronic automatic transmission) and 725.1 (nag3 facelift/9g‑tronic automatic transmission facelift) for faster, more effective and more targeted diagnosis, intelligent predictive repair (ipr) has been developed a
Electrical System 2026-09-25 · OTA-Comm. Mod. SW. Update · Over The Air
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, an
Visibility/Wiper 2026-09-25 · LI83.90-P-080935 · Service Bulletin/Repair Instructions
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
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
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 vibra
Visibility/Wiper 2026-09-18 · PSL-NCU Return Parts 9/18 · Other
dear dealer partners, 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 thursday, october 8th, 2026. after october 8th, we will no longer accept returns of these parts. these par
Showing the 6 most recent of 112 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-04 · Exterior Lighting“dashboard reading incorrectly. blackout screen while driving. mileage incorrectly reading. speed limit incorrectly reading while driving the dashboard pick up the undercarriage camera. the electricity on the car keep popping up. i have been complaining over 1yr since i lease the vehicle they only offer to trade with me paying the expenses. gas gage…”
2026-06-11 · Suspension“dealership: mercedes-benz of santa fe, 2586 camino entrada, santa fe, nm 87507 i am filing this complaint regarding multiple unresolved safety defects in my 2024 mercedes-benz c300 persisting across numerous repair visits since february 2026. defect 1 – recurring strut assembly: following an ac sensor replacement on february 11, 2026, a loud rattli…”
2026-05-27 · Service Brakes“i had to take a detour one night coming home, the detour led to a bridge that connects to a highway. approaching the bridge my car started to jerk and pop up with all of these notification about “blind spot assistance” is down, “car engine failure, please check user manual”, “car malfunction” with a engine battery symbol. all the while the engine l…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.