Recalls
18campaigns
4 electrical · 3 structure · 2 lighting
Source: NHTSA
Complaints
99filed
Owner reports, 2014–2023 shown
Source: NHTSA ODI
Fuel economy
27mpg combined
$2,419/yr at this week's prices
Source: EPA · EIA
Specs
2 L 4-cyl· 9-speed automatic
3 engine and transmission configurations
Source: NHTSA vPIC
Recalls (18)
NHTSA lists 18 recall campaigns for the 2018 Mercedes-Benz C300. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Roof Panel May Detach From Vehicle
Structure · body · roof and pillars
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
- Consequence
- A detached roof panel can become a road hazard, increasing the risk of a crash.
- Remedy
- Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.
40.6% repairedof 2,976 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 23V854000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Disabled Emergency Call System
Communication · auto crash notification
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
- Consequence
- A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
- Remedy
- The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
90.6% repairedof 242,722 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 22V365000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Incorrectly Adjusted Headlights/FMVSS 108
Exterior lighting · headlights
Official NHTSA text
- Summary
- Mercedes-Benz LLC (MBUSA) is recalling certain 2018-2020 C300, 2019-2020 A220, AMG C43, AMG C63, 2020 GLE580, GLB250, 2020-2021 GLE450, GLE350, 2021 AMG GLE63, and AMG GLE53 vehicles. The LED headlights may have been incorrectly adjusted during a vehicle repair. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Consequence
- Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.
- Remedy
- Dealers will replace the LED headlights, free of charge. Interim letters notifying owners of the safety risk were mailed August 13, 2021. A second notice will be sent once the remedy is available. Owner notification letters were mailed January 2022. Owners may contact MBUSA customer service at 1-800-367-6372.
94.6% repairedof 1,467 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V509000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Roof Panel May Detach From Vehicle
Structure · body · roof and pillars
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
- Consequence
- The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
- Remedy
- Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
63.5% repairedof 15,096 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V197000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Emergency Call (eCall) Function May be Disabled
Communication
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
- Consequence
- A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
86.6% repairedof 67 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V072000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Inaccurate Vehicle Location for Emergency Services
Communication · auto crash notification
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
- Consequence
- Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
- Remedy
- MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
95.3% repairedof 1,292,258 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V058000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Front Seat Belts May Not Fully Retract/FMVSS 208
Seat belts · front · retractor
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
- Consequence
- If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.
- Remedy
- MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began February 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020010.
94.2% repairedof 24,550 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 21V032000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Battery may not be Secured
Electrical system · 12v/24v/48v battery
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 C300, C300 4MATIC, and C43 AMG 4MATIC vehicles. The mounting bracket for the 12-volt battery may not be secured. This may allow the battery to shift, possibly disconnecting the terminals in the event of a crash.
- Consequence
- Loss of power from the battery can impair post-crash functions, such as communicating with emergency services and activating hazard lights. The battery may also detach and become a road hazard. Either of these scenarios can increase the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will replace the battery mounting bracket, free of charge. The recall began October 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019090010.
93.1% repairedof 26,584 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 19V586000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Front Seats Backs May Improperly Lock
Seats
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (Mercedes) is recalling certain 2017-2018 Mercedes-Benz C300 Cabriolet, C300 Coupe, AMG C43 Coupe, C300 4MATIC Cabriolet, C300 4MATIC Coupe, AMG C43 Cabriolet, AMG C63 Cabriolet, AMG C63 Coupe, AMG C63 S Cabriolet and AMG C63 S Coupe vehicles and 2018 Mercedes-Benz E400 Coupe, E400 Cabriolet, E400 4MATIC Cabriolet and E400 4MATIC Coupe vehicles. The seatbacks of the front seats may not properly lock on the right side of the seat.
- Consequence
- If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.
- Remedy
- Mercedes will notify owners, and dealers will inspect the locking of the seatback on the affected vehicles and replace the seatback lock, as necessary, free of charge. An interim owner letter was mailed on April 12, 2019 to notify owners. Owners will receive a second notification when the remedy is available. Owners may contact Mercedes-Benz customer service at 1-800-367-6372. MBUSA's number for this recall is 2019040007.
100% repairedof 22,637 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 19V130000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Incorrect Headlight Adjustment/FMVSS 108
Exterior lighting · headlights
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 and C300 4MATIC vehicles. The headlights on these vehicles may not be properly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Consequence
- If the low beam headlight is not properly adjusted, the driver may have reduced visibility, increasing the risk of a crash.
- Remedy
- MBUSA has notified owners, and dealers will inspect the setting of the headlights and adjust them, as necessary, free of charge. The recall began March 12, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020008.
92.2% repairedof 2,364 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V906000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Steering Coupling may not have been Locked
Steering
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling one 2018 Mercedes-Benz E400 Coupe and one C300 4Matic Coupe. The steering coupling may not have been correctly locked during manufacturing.
- Consequence
- If the steering connection was not properly locked, the mechanical connection between the steering wheel and steering rack may come loose, reducing steering ability and increasing the risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will inspect the steering coupling and lock it correctly if necessary, free of charge. The recall began January 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120010.
100% repairedof 2 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V872000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Steering Rack Locknut May Fail, Affecting Steering
Steering · rack and pinion · rack
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 Mercedes Benz C300, 2017-2019 C300 Cabrio, C300 Coupe, C63 Cabrio, 2015 C63S AMG, 2018-2019 C300, C350e, C63 AMG, C63S AMG Cabrio, 2018 C63 AMG Cabrio, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, E300, E400 Cabrio, E400 Coupe, 2019 CLS450, E450 Cabrio, and E450 Coupe rear-wheel drive vehicles. A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position.
- Consequence
- A car that cannot be properly steered has an increased risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019080012.
91.9% repairedof 6,373 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V850000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Incorrect Display of Passenger Air Bag Status
Air bags · sensor · occupant classification
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe, C63 S AMG Coupe, C63 AMG, C63 S AMG, 2018-2019 GLC300 4Matic Coupe, GLC300, GLC63 AMG Coupe, GLC300 4Matic, GLC350e Plug-In Hybrid, GLC43 AMG Coupe, GLC43 AMG, GLC63 S AMG Coupe, and GLC63 AMG vehicles equipped with Audio 20 head units and automatic child seat recognition. The status of the passenger side air bag may not display correctly.
- Consequence
- If the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be unaware that the air bag will not deploy in the event of a crash, increasing their risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120009.
93% repairedof 104,663 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V838000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Starter Battery has Exposed Positive Cable
Electrical system · 12v/24v/48v battery · cables
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 4Matic Coupe, C300 4Matic Cabrio, E300, E300 4Matic, C300, C300 4Matic, C300 Coupe and C300 Cabrio vehicles. The cover for the starter battery may not cover the live positive electrical wire, and in certain crashes, the vehicle's strut brace may deform and short circuit the battery.
- Consequence
- If the battery is shorted, the emergency door unlocking would be deactivated for an outside responder and the short circuit could increase the risk of a fire.
- Remedy
- MBUSA will notify owners, and dealers will replace the positive pole cover, free of charge. The recall began November 27, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018110002.
92.4% repairedof 4,073 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V725000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Rear Window may Loosen and Detach
Visibility · glass, side/rear
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300, C300 4MATIC, C63 AMG, and C63S AMG vehicles. Incorrect bonding of the rear window may cause the window to loosen and detach from the vehicle.
- Consequence
- If the window detaches from the vehicle, it can become a road hazard, increasing the risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will rework the rear window bonding, free of charge. The recall is expected to begin November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.
85.3% repairedof 387 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V608000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Rear Beltline Trim may Separate from Vehicle
Structure · body
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 Mercedes C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63S AMG Cabriolet, and C63 AMG Cabriolet vehicles. Due to a bonding issue introduced in the production process, the rear beltline trim may separate from the vehicle.
- Consequence
- If the beltline trim were to separate from the vehicle while driving, it could become a road hazard, increasing the risk of a crash.
- Remedy
- MBUSA will notify owners, and dealers will inspect the rear beltline trim and replace the trim if necessary, free of charge. The recall began on September 21, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.
93.3% repairedof 10,826 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V456000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Seatbacks may Not Lock
Seats
Official NHTSA text
- Summary
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 C43 AMG 4Matic Coupe, C300 Coupe, C300 4Matic Coupe, C300 4Matic Cabriolet, C300 Cabriolet, C43 AMG 4Matic Cabriolet and C63S AMG Cabriolet, 2017 C63 AMG Cabriolet, C63S AMG Coupe and C63 AMG Coupe, 2018 E400 Coupe and E400 4Matic Coupe vehicles. The seatbacks of the front seats may not properly lock on the right side of the seat.
- Consequence
- If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.
- Remedy
- MBUSA will notify owners, and dealers will inspect the locking of the seatbacks, replacing the seatbacks lock, as necessary, free of charge. The recall is expected to begin May 25, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018040007.
93.1% repairedof 3,088 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 18V207000
Listed for 2018 Mercedes-Benz C300. Not checked against your VIN.
Inadvertent Driver Air Bag Deployment
Air bags · frontal
Official NHTSA text
- Summary
- 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 Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
- Consequence
- 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.
81.3% repairedof 495,290 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA
or ask a dealer to check campaign 17V627000
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (99)
99 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
4involved a crash
0involved a fire
1injuries reported
0deaths reported
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 99 |
|---|---|---|
| Engine | 34 | 34.3% |
| Unknown or other | 20 | 20.2% |
| Structure | 14 | 14.1% |
| Steering | 12 | 12.1% |
| Electrical system | 10 | 10.1% |
| Fuel/propulsion system | 9 | 9.1% |
| Air bags | 4 | 4% |
| Forward collision avoidance | 4 | 4% |
| Communication | 3 | 3% |
| Visibility | 3 | 3% |
How 2018 compares with other C300 years
Best and worst C300 years →201494
2015381
2016286
2017216
201899
201969
202033
202114
202225
202322
| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2014 | 94 | 5 |
| 2015 | 381 | 11 |
| 2016 | 286 | 13 |
| 2017 | 216 | 15 |
| 2018 | 99 | 18 |
| 2019 | 69 | 17 |
| 2020 | 33 | 9 |
| 2021 | 14 | 7 |
| 2022 | 25 | 9 |
| 2023 | 22 | 9 |
This year (2018)Other yearsStill collecting reports
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Fuel economy: up to 27 mpg combined
27
mpg combined
24
city
33
highway
- EPA annual fuel cost
- $3,050
- CO₂ tailpipe
- 324 g/mi
- EPA class
- Compact Cars
What it costs you to run
$2,419per year
$202per month
556gallons a year
Miles ÷ 27 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 24 / 33 / 27 | $3,050 | 324 |
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 22 / 30 / 25 | $3,300 | 349 |
| 2 L 4-cyl · 9-speed automatic | Rear-Wheel Drive | 22 / 29 / 25 | $3,300 | 355 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2018 C300 for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2018 Mercedes-Benz C300 FAQ
How many recalls does the 2018 Mercedes-Benz C300 have?
NHTSA lists 18 recall campaigns: 23V854000 (structure), 22V365000 (electrical), 21V509000 (lighting), 21V197000 (structure), 21V072000 (communication), 21V058000 (electrical), 21V032000 (seat belt), 19V586000 (electrical), 19V130000 (seat), 18V906000 (lighting), 18V872000 (steering), 18V850000 (steering), 18V838000 (air bag), 18V725000 (electrical), 18V608000 (visibility), 18V456000 (structure), 18V207000 (seat), 17V627000 (air bag). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2018 Mercedes-Benz C300 problems?
Owners filed 99 complaints with NHTSA. Engine (34), Unknown or other (20), Structure (14) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2018 Mercedes-Benz C300 get?
EPA rates the 2 L 4-cyl · 9-speed automatic version at 24 city, 33 highway and 27 combined mpg. Other configurations are listed in the fuel economy section.
How does the 2018 C300 compare with other years?
Among the 2014–2021 Mercedes-Benz C300 model years at least five years old, the 2021 drew the fewest complaints (14) and the 2015 the most (381). The 2018 drew 99. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.
Was this report useful?Report a data error