The 2017 Mercedes-Benz C-Class is associated with 253 official NHTSA owner defect complaints and 17 safety recall campaigns in the federal safety database. The most frequently reported component area is Engine, accounting for 51 reports (20% of total complaints). EPA testing covers 20 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 28 MPG combined. Plug-in hybrid variants are rated up to 51 MPGe (30 MPG on gasoline) with up to 9 miles of electric driving range. The 2017 Mercedes-Benz C-Class belongs to the 4th generation (W205) C-Class platform spanning model years 2015–2021.

Key Data Findings
  • • NHTSA Owner Complaints: 253 reports
  • • Safety Recall Campaigns: 17 campaigns
  • • Top Reported Defect Area: Engine (51 / 20%)
  • • Safety Incident Signals: 12 crash / 3 fire / 13 injury reports
  • • NHTSA Overall Safety Rating: 5 / 5 Stars
  • • EPA Efficiency: 19–28 MPG (20 variants • PHEV up to 51 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
19–28MPG
20 EPA certified variants (2L 4-Cyl plug-in hybrid, 2l 4-cyl, 3l 6-cyl, and 4l 8-cyl configurations)
Reported Complaints
253
253 submitted owner reports
Safety Recalls
17
17 official NHTSA recalls
NCAP Safety Rating
5 / 5 Stars Overall

What is the fuel economy and range of the 2017 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
C300 2L 4-Cyl Rear-Wheel Drive Automatic 7-spd 24 MPG 34 MPG 28 MPG — $2,700 / yr
SLC300 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 25 MPG 32 MPG 27 MPG — $2,800 / yr
C300 4matic 2L 4-Cyl 4-Wheel Drive Automatic 7-spd 24 MPG 31 MPG 27 MPG — $2,800 / yr
C300 Coupe 2L 4-Cyl Rear-Wheel Drive Automatic 7-spd 23 MPG 30 MPG 26 MPG — $2,900 / yr
C300 Convertible 2L 4-Cyl Rear-Wheel Drive Automatic 9-spd 23 MPG 31 MPG 26 MPG — $2,900 / yr
C300 4matic Coupe 2L 4-Cyl 4-Wheel Drive Automatic 7-spd 23 MPG 29 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
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 (S9) 22 MPG 27 MPG 24 MPG — $3,150 / yr
AMG C43 4matic Coupe 3L 6-Cyl 4-Wheel Drive Automatic 9-spd 20 MPG 28 MPG 23 MPG — $3,300 / yr
AMG C43 4matic 3L 6-Cyl 4-Wheel Drive Automatic 9-spd 20 MPG 28 MPG 23 MPG — $3,300 / 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 25 MPG 21 MPG — $3,600 / 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 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
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
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 2017 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
2 DR 4WD —
C 4WD —
4 DR 4WD 11%
Hybrid 4 DR RWD —
C RWD —
2 DR RWD —
4 DR RWD 11%
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 2017 Mercedes-Benz C-Class models.
View complete 2017 Mercedes-Benz C-Class crash test & safety breakdown →

What defect complaints are reported for the 2017 Mercedes-Benz C-Class?

Summary of 253 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
253
Crash Reports
12
Fire Reports
3
Complaints w/ Injury
13
Total Injuries
17

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 51 complaints
Seat Belts 20 complaints
Fuel & Propulsion System 19 complaints
Structure & Body 17 complaints
Air Bags 9 complaints (4 crashes)

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 2017 Mercedes-Benz C-Class problems & component breakdown (61 categories) →

Are there open safety recalls on the 2017 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 #21V197000 Active Recall
Affected Component: STRUCTURE:BODY:ROOF AND PILLARS

Defect 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.

Free Manufacturer 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.
View all 2017 Mercedes-Benz C-Class recalls & campaign history (17 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.