2014 Mercedes-Benz C350 problems, complaints & recalls
Most-reported problem areas: Air Bags (7) · Vehicle Speed Control (1) · Structure:body:door:handle:interior (1)
🧭 Reliability snapshot
Compared against other Mercedes-Benz C350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (4)
Air Bags:frontal 2021-08-13 · campaign 21V638000 · 205 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 E400 Coupe, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2011-2014 E350 Coupe, and 2012-2014 E350 Cabrio vehicles. An incorrect front passenger air bag may have been installed during a prior repair.
Risk: An incorrect air bag may not function properly in a crash, increasing the risk of injury.
Fix: Dealers will replace the front passenger air bag on the affected vehicles, free of charge. Owner notification letters were mailed on September 10, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Fix: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
Air Bags:frontal:passenger Side:inflator Module 2019-01-09 · campaign 19V010000 · 288,779 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014 C250, C300 4Matic, C350, C63 AMG, E350 4Matic Coupe, E350 Cabrio, E350 Coupe, SLS AMG Cabrio, SLS AMG Coupe, 2014-2015 C250 Coupe, C350 4Matic Coupe, C350 Coupe, C63 AMG Coupe, GLK 350, GLK250 BlueTec 4Matic, GLK350 RWD, 2015-2017 E400 4Matic Coupe, E400 Cabrio, E400 Coupe, 2014-2017 E550 Cabrio, and 2014-2016 E550 Coupe vehicles sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Z
Risk: An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.
Fix: MBUSA will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.
Air Bags:frontal 2017-10-06 · campaign 17V627000 · 495,290 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Cou
Risk: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Fix: MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
Service bulletins (99)
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.
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
Structure:body 2026-09-14 · LI82.62-P-078631 · 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 working towards the speaker and if necessary,
Structure:body 2026-08-06 · LI82.62-P-078631 · 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 working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · 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 experimentally loosening the outboard collar n
Suspension 2026-07-07 · LI33.20-P-078406 · Service Bulletin/Repair Instructions
complaint creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. sound file attached for comparison. must match noise for proper diagnos
Visibility/Wiper 2026-05-19 · LI82.30-P-059239 · 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 back onto the windshield from the a-pillar
Showing the 6 most recent of 99 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-01-08 · Structure:body:door:handle:interior · 60,000 mi“the contact owns a 2014 mercedes-benz c350. the contact stated that while the vehicle was parked, the front driver’s side interior door latch detached. the contact had to reach through the front driver’s side window to open the front driver's side door using the exterior door handle. no warning lights were illuminated. the vehicle remained at the r…”
2025-08-28 · Air Bags · 64,000 mi“the contact owns a 2014 mercedes-benz c350. the contact stated that while attempting to start the vehicle, the air bag and the driver’s side air bag malfunction service required warning light illuminated. a dealer was contacted. the vehicle was taken to a dealer where it was determined that the air bags needed to be replaced. the vehicle was not re…”
2024-05-30 · Structure:body“1. the component that failed was the front stationary sunroof panel, and what failed on it was the adhesive which leads to it leaking water, and the potential of even falling off while driving 2. it could lead to falling off on the highway which could lead to damages to it or other vehicles around it 3. unknown 4. yes it was inspected at a nearby d…”
2023-09-27 · Power Train“i was driving my vehicle when the transmission started shifting erratically. the shifts were not smooth but hard and the car was shuddering. yes the vehicle is available for inspection. my safety and the safety of others were at risk due to the erratic behavior of the vehicle and how it affected my ability to focus on driving safely. yes my vehi…”
2023-03-27 · Service Brakes“2014 mercedes-benz e-350 4matic. brake fluid and brake warning lights illuminated. the vehicle was taken to the local dealer where the service technician advised the brake lines to the rear tries were rusted and had to be replaced . the vehicle was repaired at a estimated cost of $2,900. the approximate failure mileage was 100,000. we were advise…”
2020-07-12 · Air Bags“i was notified in february 2019 that car needed the air bags replaced! here a year and a half later they still don't have the parts! i think they are lieing to me!…”
2020-04-02 · Air Bags · 60,000 mi“i have an open recall for my airbags since january of 2019. i am shipping my vehicle through the military in 2 months but am filling the paperwork out now and one of the criteria is that the car cannot have any open recalls. when i did research on the recall it is still open and unable to be fixed due to "remedy not available yet."…”
2019-09-19 · Air Bags“tl* takata recall. the contact owns a 2014 mercedes-benz c350. the contact received notification of nhtsa campaign number: 19v010000 (air bags). the parts for the recall remedy were not available. the contact stated that the manufacturer exceeded a reasonable amount of time to repair the vehicle. mercedes-benz of akron (1361 e market st, akron, oh …”
2019-04-23 · Vehicle Speed Control · 💥 crash“2014 mercedes benz c350. consumer writes in regards to defective acceleration system. *ld the consumer stated the cruise control malfunctioned causing a 4 car collision. the consumer stated the information in the police report was false and that the crash was inadequately investigated. *js…”
2018-03-09 · Air Bags“tl* the contact owns a 2014 mercedes-benz c350. the contact stated that nhtsa campaign number: 17v627000 (air bags) exceeded a reasonable amount of time for repair. the contact received the recall notification on december 17, 2017. mercedes-benz of augusta (3061 washington road, augusta, ga 30907, 707-860-11111) stated that parts were unavailable f…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.