The 2018 Mercedes-Benz C-Class has zero owner defect complaints and 19 safety recall campaigns on file with NHTSA. EPA testing covers 21 certified vehicle configurations spanning 2L 4-Cyl plug-in hybrid, 2l 4-cyl, 3l 6-cyl, and 4l 8-cyl configurations. Gasoline and hybrid variants deliver 19 to 27 MPG combined. Plug-in hybrid variants are rated up to 56 MPGe (25–30 MPG on gasoline) with up to 10 miles of electric driving range. The 2018 Mercedes-Benz C-Class belongs to the 4th generation (W205) C-Class platform spanning model years 2015–2021.

Key Data Findings
  • • NHTSA Owner Complaints: 0 reports
  • • Safety Recall Campaigns: 19 campaigns
  • • NHTSA Overall Safety Rating: 5 / 5 Stars
  • • EPA Efficiency: 19–27 MPG (21 variants • PHEV up to 56 MPGe)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
19–27MPG
21 EPA certified variants (2L 4-Cyl plug-in hybrid, 2l 4-cyl, 3l 6-cyl, and 4l 8-cyl configurations)
Reported Complaints
0
0 submitted complaints
Safety Recalls
19
19 official NHTSA recalls
NCAP Safety Rating
5 / 5 Stars Overall

What is the fuel economy and range of the 2018 Mercedes-Benz C-Class?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Variant Engine Drivetrain Transmission City Highway Combined EV Range Est. Annual Fuel Cost
C350e Plug-in Hybrid 2L 4-Cyl Rear-Wheel Drive Automatic 7-spd 45 MPGe (28 MPG) 61 MPGe (32 MPG) 51 MPGe (30 MPG) 9 mi EV (410 mi total) $2,550 / yr
SLC300 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 25 MPG 32 MPG 27 MPG — $2,800 / yr
C300 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 24 MPG 33 MPG 27 MPG — $2,800 / yr
C300 4matic 2L 4-Cyl 4-Wheel Drive Automatic 9-spd 23 MPG 32 MPG 26 MPG — $2,900 / yr
GLC350e 4matic Plug-in Hybrid 2L 4-Cyl 4-Wheel Drive Automatic 7-spd 55 MPGe (24 MPG) 57 MPGe (27 MPG) 56 MPGe (25 MPG) 10 mi EV (350 mi total) $3,050 / yr
C300 Coupe 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 22 MPG 30 MPG 25 MPG — $3,050 / yr
C300 4matic Coupe 2L 4-Cyl 4-Wheel Drive Automatic 9-spd 22 MPG 30 MPG 25 MPG — $3,050 / yr
C300 4matic Convertible 2L 4-Cyl 4-Wheel Drive Automatic 9-spd 22 MPG 29 MPG 25 MPG — $3,050 / yr
C300 Convertible 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 22 MPG 29 MPG 25 MPG — $3,050 / yr
GLC300 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 22 MPG 28 MPG 24 MPG — $3,150 / yr
GLC300 4matic 2L 4-Cyl 4-Wheel Drive Automatic 9-spd 21 MPG 28 MPG 24 MPG — $3,150 / yr
GLC300 4matic Coupe 2L 4-Cyl 4-Wheel Drive Automatic 9-spd 22 MPG 27 MPG 24 MPG — $3,150 / yr
AMG C43 4matic 3L 6-Cyl 4-Wheel Drive Automatic 9-spd 20 MPG 27 MPG 23 MPG — $3,300 / yr
AMG C43 4matic Coupe 3L 6-Cyl 4-Wheel Drive Automatic 9-spd 20 MPG 27 MPG 22 MPG — $3,450 / yr
AMG C43 4matic Convertible 3L 6-Cyl 4-Wheel Drive Automatic 9-spd 19 MPG 26 MPG 22 MPG — $3,450 / yr
AMG C63 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 18 MPG 24 MPG 20 MPG — $3,800 / yr
AMG C63 S 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 18 MPG 24 MPG 20 MPG — $3,800 / yr
AMG C63 S Convertible 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 17 MPG 22 MPG 19 MPG — $4,000 / yr
AMG C63 Convertible 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 17 MPG 22 MPG 19 MPG — $4,000 / yr
AMG C63 S Coupe 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 17 MPG 23 MPG 19 MPG — $4,000 / yr
AMG C63 Coupe 4L 8-Cyl Rear-Wheel Drive Automatic 7-spd 17 MPG 23 MPG 19 MPG — $4,000 / yr
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2018 Mercedes-Benz C-Class?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

Tested Drivetrain / Cab Variant Overall Rating Frontal Crash Side Crash Rollover Rating Rollover Risk
4 DR 4WD 11%
2 DR 4WD —
C 4WD —
PHEV 4 DR RWD —
4 DR RWD 11%
2 DR RWD —
C RWD —
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2018 Mercedes-Benz C-Class models.
View complete 2018 Mercedes-Benz C-Class crash test & safety breakdown →

What defect complaints are reported for the 2018 Mercedes-Benz C-Class?

Summary of 0 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
0
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2018 Mercedes-Benz C-Class problems & component breakdown (0 categories) →

Are there open safety recalls on the 2018 Mercedes-Benz C-Class?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #23V854000 Active Recall
Affected Component: STRUCTURE:BODY:ROOF AND PILLARS

Defect 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.

Free Manufacturer 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.
NHTSA Campaign #22V365000 Active Recall
Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Defect 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.

Free Manufacturer 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.
NHTSA Campaign #21V509000 Active Recall
Affected Component: EXTERIOR LIGHTING:HEADLIGHTS

Defect 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."

Free Manufacturer 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.
View all 2018 Mercedes-Benz C-Class recalls & campaign history (19 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.