2017 Mercedes-Benz C-Class: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2017 / mercedes-benz / c-class
known issues6 clusters (reviewed 2026-08-20)
complaints253 on file (2016-12-11 → 2026-08-26)
recalls0
investigations0
fars27 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Crankcase ventilation valve fault code P052EENGINE64 complaints2022-04 → 2026-03c-class-2017-pcv-valve-fault
  • 11603672 Check engine light on. Test results: Positive Crankcase Ventilation Regulator Valve Performance CODE : P052E
  • 11499457 My car suddenly turned off at a stop sign. After I restarted it, it turned back on and my engine light turned on. I called the dealership and after inspection I was told that the valve for my crankcase was malfunctioning
  • 11582711 P052e positive crankcase ventilation regularly valve
Panoramic sunroof and roof panel detachmentSTRUCTURE33 complaints2020-06 → 2025-12c-class-2017-sunroof-panel-detachment
  • 11534093 The contact owns a 2017 Mercedes-Benz C300. The contact stated while driving 75 MPH, the front roof panel located between the windshield and the panoramic sunroof detached and flew off the vehicle
  • 11612144 The glass on the panoramic sunroof exploded/shattered under normal driving conditions. It was raining but not too heavy. It didn’t appear that anything hit the glass and no potholes were hit
  • 11507521 Repeated Panoramic Sunroof failure: sun roof rails are have been reported by the dealer to fail / crack and allow panoramic sun roof to dislodge from tracks securing this structure to the vehicle
Front seat belt failure to retractSEAT BELTS22 complaints2021-01 → 2025-12c-class-2017-seat-belt-retract-failure
  • 11699173 The contact owns a 2017 Mercedes-Benz C300. The contact stated that upon arriving at his destination and exiting the vehicle, the driver’s side seat belt retracted and became stuck in the retracted position. As a result, the contact was unable to use the driver's side seat belt
  • 11472915 Issue: Front driver and passenger seat belts do not fully retract despite completed recall service. The seatbelts often "puddle" behind the seats when unbuckled, and sometimes get trapped between their seat and adjacent door
  • 11425652 The contact owns a 2017 Mercedes-Benz C300. The contact stated that the driver’s and passenger’s side front seat belts failed to retract completely upon release. Due to the failure, the seat belts would fall to the floor upon release from the buckle
Cracked piston in engine cylinder 1ENGINE11 complaints2020-07 → 2025-02c-class-2017-cracked-piston-cyl1
  • 11643047 this is my send time writing in. mercedes used the wrong wrist pins for the pistons leading to my wife getting a cracked piston on freeway in phx
  • 11337524 PISTON 1 CRACKED AT 48,000 MILES. MB TOLD OWNER THAT THE ENGINE HAD TO BE REPLACED BUT WHEN FINDING OUT THAT THE WARRANTY WAS UP AT 50,000 THEY REPLACED THE PISTON INSTEAD
  • 11467297 misfire cylinder 1 46300 miles on the engine.Mercedes dealer told me I need new engine and they are not providing warranty coverage
Electric power steering malfunctionSTEERING7 complaints2020-03 → 2024-02c-class-2017-power-steering-malfunction
  • 11570166 While driving on the freeway car pool lane with my wife, a sudden vibration in the front tires was observed, the car felt like it was pushed to the right then to the left even though it was in the center of the lane
  • 11499694 I was driving on highway I95, all the sudden, the vehicle shows, Power Steering Malfunctioning See Owner's Manual. I've lost the power steering in the middle of the highway
  • 11571637 The contact owns a 2017 Mercedes-Benz C300. The contact stated that while starting and driving the vehicle, the electric power steering was inoperable. There were no warning lights illuminated
Fuel line leak and fuel odor in cabinFUEL/PROPULSION SYSTEM19 complaints2020-01 → 2026-05c-class-2017-fuel-line-leak-odor
  • 11738037 The contact owns a 2017 Mercedes-Benz C300. While driving at approximately 15 mph, the contact observed smoke emanating from under the hood
  • 11560813 There is a short rubber fuel line/hose in the engine compartment that is attached with compression clamps; the hose connects the fuel line from the gas tank to the high pressure fuel pump
  • 11396042 A FUEL LINE IN THE ENGINE COMPARTMENT JUST ABOVE THE SKID PLATE ON THE DRIVES SIDE JUST RIGHT OF THE FRONT WHEEL WELL LEAKS FUEL WHERE THE LINE IS CRIMPED COMING FROM THE HIGH PRESSURE FUEL PUMP

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
2532016-12-112026-08-26123ENGINE:83; UNKNOWN OR OTHER:38; ELECTRICAL SYSTEM:35; FUEL/PROPULSION SYSTEM:32; STRUCTURE:26

Recalls all years →

none listed

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-202427legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2017 Mercedes-Benz C-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2017/mercedes-benz/c-class
@misc{wrenchpro_2017_mercedes_benz_c_class_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2017 Mercedes-Benz C-Class},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2017/mercedes-benz/c-class}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

hub · known-issues · methodology · license · research (interpretation)