Model year 2018 · Compact Cars, Subcompact Cars

2018 Mercedes-Benz C-Class: recalls, fuel economy and safety ratings

EPA rates the 2018 Mercedes-Benz C-Class at 19–30 mpg combined across 16 versions. NHTSA lists 19 safety recalls and 130 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.

Safety recalls

19

EPA combined mpg

19–30

NHTSA overall rating

5/5

Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT

NHTSA lists this vehicle as AMG C43, AMG C63, AMG C63S, C 250 D, C 300, C 300 4MATIC, C 350 E.

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mercedes-Benz dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2018 Mercedes-Benz C-Class recalls

NHTSA's recall file lists 19 safety recalls for the 2018 Mercedes-Benz C-Class, newest first.

Structure: Body: Roof and pillars

NHTSA 23V854000 Reported Dec 15, 2023
Filed by
Mercedes-Benz USA, LLC
Units affected
2,976 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Electrical system: Software and 1 more component

NHTSA 22V365000 Reported May 20, 2022
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. See Recall Schedule)
Components
Electrical system: Software; Communication: Auto crash notification
Units affected
242,722 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Exterior lighting: Headlights

NHTSA 21V509000 Reported Jul 2, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021120011)
Units affected
1,467 (estimate)
Problem
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."
Risk
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.

Full recall record on nhtsa.gov

Structure: Body: Roof and pillars

NHTSA 21V197000 Reported Mar 19, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021070010)
Units affected
15,096 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Communication: Auto crash notification and 1 more component

NHTSA 21V072000 Reported Feb 12, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021030005)
Components
Communication: Auto crash notification; Communication
Units affected
67 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Electrical system: Software and 1 more component

NHTSA 21V058000 Reported Feb 5, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021020025)
Components
Electrical system: Software; Communication: Auto crash notification
Units affected
1,292,258 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Seat belts: Front: Retractor

NHTSA 21V032000 Reported Jan 29, 2021
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2021020010)
Units affected
24,550 (estimate)
Problem
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."
Risk
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.

Full recall record on nhtsa.gov

Electrical system: 12v/24v/48v battery

NHTSA 19V586000 Reported Aug 9, 2019
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2019090010)
Units affected
26,584 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Seats

NHTSA 19V130000 Reported Feb 26, 2019
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2019040007)
Units affected
22,637 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Exterior lighting: Headlights

NHTSA 18V906000 Reported Dec 19, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2019020008)
Units affected
2,364 (estimate)
Problem
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."
Risk
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.

Full recall record on nhtsa.gov

Steering

NHTSA 18V872000 Reported Dec 7, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018120010)
Units affected
2 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Steering: Rack and pinion: Rack

NHTSA 18V850000 Reported Nov 29, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2019080012)
Units affected
6,373 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Air bags: Sensor: Occupant classification

NHTSA 18V838000 Reported Nov 27, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018120009)
Units affected
104,663 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Electrical system: 12v/24v/48v battery: Cables

NHTSA 18V725000 Reported Oct 15, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018110002)
Units affected
4,073 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Visibility: Glass, side/rear

NHTSA 18V608000 Reported Sep 11, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018100003)
Units affected
387 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Structure: Body

NHTSA 18V456000 Reported Jul 10, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018070012)
Units affected
10,826 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Seats

NHTSA 18V207000 Reported Mar 29, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018040007)
Units affected
3,088 (estimate)
Problem
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.
Risk
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.

Full recall record on nhtsa.gov

Seats: Front assembly: Recliner

NHTSA 18V150000 Reported Mar 6, 2018
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2018060001)
Units affected
99 (estimate)
Problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 Mercedes Benz C43 AMG, C63S AMG, E63 S AMG Sedan, and E63S AMG Stationwagon vehicles fitted with AMG performance seats. The backrest rail and backrest fitting may not be properly welded on the driver and front passenger seats.
Risk
The incorrect welding may result in the seats failing in the event of a crash, increasing the risk of injury.
Remedy
MBUSA will notify owners, and dealers will inspect the welds of the backrest frames, replacing the backrests as necessary, free of charge. The recall is expected to begin May 4, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018060001.

Full recall record on nhtsa.gov

Air bags: Frontal

NHTSA 17V627000 Reported Oct 6, 2017
Filed by
Mercedes-Benz USA, LLC (manufacturer recall no. 2017110011)
Units affected
495,290 (estimate)
Problem
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…
Risk
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.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2018 Mercedes-Benz C-Class fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination; electric figures are in MPGe (miles per gallon equivalent). Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2018 Mercedes-Benz C-Class EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombElectric rangeFuel cost/yrCO2 g/mi
AMG C43 4matic3.0L 6-cyl turboAutomatic 9-spd4-Wheel DrivePremium20/27/23 mpg—$3,550393
AMG C43 4matic Convertible3.0L 6-cyl turboAutomatic 9-spd4-Wheel DrivePremium19/26/22 mpg—$3,750405
AMG C43 4matic Coupe3.0L 6-cyl turboAutomatic 9-spd4-Wheel DrivePremium20/27/22 mpg—$3,750394
AMG C634.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium18/24/20 mpg—$4,100441
AMG C63 Convertible4.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium17/22/19 mpg—$4,350468
AMG C63 Coupe4.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium17/23/19 mpg—$4,350458
AMG C63 S4.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium18/24/20 mpg—$4,100441
AMG C63 S Convertible4.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium17/22/19 mpg—$4,350468
AMG C63 S Coupe4.0L 8-cyl turboAutomatic 7-spdRear-Wheel DrivePremium17/23/19 mpg—$4,350458
C3002.0L 4-cyl turboAutomatic 9-spdRear-Wheel DrivePremium24/33/27 mpg—$3,050324
C300 4matic2.0L 4-cyl turboAutomatic 9-spd4-Wheel DrivePremium23/32/26 mpg—$3,150335
C300 4matic Convertible2.0L 4-cyl turboAutomatic 9-spd4-Wheel DrivePremium22/29/25 mpg—$3,300360
C300 4matic Coupe2.0L 4-cyl turboAutomatic 9-spd4-Wheel DrivePremium22/30/25 mpg—$3,300351
C300 Convertible2.0L 4-cyl turboAutomatic 9-spdRear-Wheel DrivePremium22/29/25 mpg—$3,300355
C300 Coupe2.0L 4-cyl turboAutomatic 9-spdRear-Wheel DrivePremium22/30/25 mpg—$3,300349
C350e2.0L 4-cyl turbo plug-in hybridAutomatic 7-spdRear-Wheel DrivePremium and Electricity / Electricity28/32/30 mpg
51 MPGe on electricity
9 mi$2,750215

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2018 Mercedes-Benz C-Class crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2018 Mercedes-Benz C-Class NHTSA 5-Star Safety Ratings
Tested vehicleOverallFrontalSideRolloverRollover riskForward collision warning
2018 Mercedes-Benz C-Class 2 DR 4WDNot ratedNot ratedNot ratedNot rated—Optional
2018 Mercedes-Benz C-Class 2 DR RWDNot ratedNot ratedNot ratedNot rated—Optional
2018 Mercedes-Benz C-Class 4 DR 4WD5 stars4 stars5 stars4 stars11%Optional
2018 Mercedes-Benz C-Class 4 DR RWD5 stars4 stars5 stars4 stars11%Optional
2018 Mercedes-Benz C-Class C 4WDNot ratedNot ratedNot ratedNot rated—Optional
2018 Mercedes-Benz C-Class C RWDNot ratedNot ratedNot ratedNot rated—Optional
2018 Mercedes-Benz C-Class PHEV 4 DR RWDNot ratedNot ratedNot ratedNot rated—Optional

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2018 Mercedes-Benz C-Class owner complaints

Owners have filed 130 complaints with NHTSA about the 2018 Mercedes-Benz C-Class, most recently on Sep 16, 2026. 5 mention a crash, 0 a fire, 2 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2018 Mercedes-Benz C-Class complaints
Component named in complaintsMentions
Engine39
Unknown or other27
Electrical system12
Steering12
Structure: Body11
Fuel/propulsion system9
Power train6
Structure6
Air bags5
Communication5

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other Mercedes-Benz C-Class model years

Mercedes-Benz C-Class by model year
YearCombinedRecallsComplaintsOverall rating
2027 C-Class27–29 mpg———
2026 C-Class22–29 mpg14—
2025 C-Class20–29 mpg24—
2024 C-Class23–30 mpg315—
2023 C-Class19–29 mpg1026—
2022 C-Class22–29 mpg926—
2021 C-Class20–27 mpg7175/5
2020 C-Class20–28 mpg1246—
2019 C-Class20–27 mpg1879—
2017 C-Class19–30 mpg172535/5
2016 C-Class20–30 mpg143235/5
2015 C-Class15–28 mpg144515/5

All Mercedes-Benz C-Class years compared · Decode a VIN

Other 2018 Mercedes-Benz models

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 27, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with Mercedes-Benz.