The 2014 Mercedes-Benz C300 has 5 NHTSA recall campaigns affecting an estimated 808,514 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 120 complaints with NHTSA, most often about the air bags. Last updated July 5, 2026.
Recall campaigns
COMMUNICATION19V7870002019-11-0124,226 affected
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:…
Consequence
An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Remedy
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. …
An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.
Remedy
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.
If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Remedy
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.
STEERING17V2520002017-04-12168 affected
Defect
Mercedes-Benz USA LLC. (MBUSA) is recalling certain 2013-2014 C250, C300 4MATIC, GLK250 4MATIC BLUETEC and GLK350 vehicles, 2013 C250 Coupe, C350, C350 4MATIC Coupe, C350 Coupe and C63 AMG Coupe vehicles, and 2013-2015 GLK350 4MATIC vehicles. The steering coupling connecting bolt may have been insufficiently…
Consequence
A loss of steering can increase the risk of a crash.
Remedy
MBUSA will notify owners, and dealers will inspect the steering coupling connecting bolt, tightening it as necessary, free of charge. The recall began May 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
ELECTRICAL SYSTEM17V1770002017-03-1451 affected
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic,…
Consequence
If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.
Remedy
MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Complaints by component
AIR BAGS
52
3crashes1injuries
STEERING
13
1crashes
SUSPENSION
11
ELECTRICAL SYSTEM
8
UNKNOWN OR OTHER
8
STRUCTURE:BODY
7
VEHICLE SPEED CONTROL
3
3crashes4injuries
ENGINE
2
SEATS
2
SERVICE BRAKES
2
Total complaints120
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Experiencing a failed electronic steering lock (esl). Car won’t crank or start even after verifying battery health and key fob. Symptoms point to a failed esl, left stranded”
“Experiencing a failed electronic steering lock (esl). Car won’t crank or start even after verifying battery health and key fob. Symptoms point to a failed esl, left stranded”
“Leaving my home from my driveway and driving about 15 feet I heard a loud pop from my backseat area and noticed my headrest on drivers side deployed without any reason. The airbag right/left malfunction light showed on my dash saying service required. Mercedes benz dealership said they never heard…”
“The left rear subframe separated from the main frame causing the car to pull to the left when braking. I had an episode where I was stopping for a traffic light and the car started fishtailing and I almost lost control of the car. Following this episode, I took the car to a mechanic who advised me…”
“To whom it may concern, I am seeking assistance regarding my 2014 mercedes-benz c-300, vin [xxx] . I repurchased this vehicle from the london nissan dealership on [xxx]. It currently has about 120,000 miles, and I have driven an additional 15,000 miles in the past two years. Less than three months…”
“It's the esl electric steering lock this part is known to be defective and is posted online to fix and also bypass it. I am not a mechanic so I am told part alone is $570 at mercedes they have to program it. This part is know to break and only they can reprogram it. This should be a safty issue.…”
“The contact owns a 2014 mercedes-benz c300. The contact stated that an unidentified recall was previously completed on the vehicle; however, the recall remedy failed to prevent the failure from occurring. The contact stated that while driving at undisclosed speeds, the steering wheel locked. No…”
“The contact owns a 2014 mercedes-benz c300. The contact stated that an unidentified recall was previously completed on the vehicle; however, the recall remedy failed to prevent the failure from occurring. The contact stated that while driving at undisclosed speeds, the steering wheel locked. No…”
Defect investigations
InvestigationEA21002 Opened 2021-09-17 · open
Desiccated Air Bag Inflator Rupture
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…
InvestigationEA21002 Opened 2021-09-17 · open
Desiccated Air Bag Inflator Rupture
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2014 Mercedes-Benz C300 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.