2017 Mercedes-benz C300 reliability record
Every consumer complaint and recall the U.S. government (NHTSA) has on file for the 2017 Mercedes-benz C300 — the repair risk behind the ownership cost.
- NHTSA complaints
- 285
- 201 in the last 5 years
- Top problem area
- ENGINE
- 76 complaints
- Recalls on record
- 15
- see below
- Reported harm
- 17 reported crashes · 22 injuries · 5 fires
How this record compares
raw NHTSA counts, not defect ratesComplaint rank
#1,878
of 4,194 vehicle records
Vs Mercedes-benz median
+116
median 169 across 69 Mercedes-benz records
Vs 2015-2019
-13
median 298 complaints in 577 records
Top component share
27%
Engine: 76 complaints
What owners report fails — 2017 Mercedes-benz C300
- ENGINE 76
- UNKNOWN OR OTHER 33
- ELECTRICAL SYSTEM 30
- FUEL/PROPULSION SYSTEM 30
- SEAT BELTS 18
15 recalls on record for the 2017 Mercedes-benz C300
- NHTSA 23V854000 · 2024 · STRUCTURE:BODY:ROOF AND PILLARS A detached roof panel can become a road hazard, increasing the risk of a crash.
- NHTSA 22V365000 · 2022 · COMMUNICATION: AUTO CRASH NOTIFICATION A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emerge
- NHTSA 21V197000 · 2021 · STRUCTURE:BODY:ROOF AND PILLARS The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle a
- NHTSA 21V032000 · 2021 · SEAT BELTS:FRONT:RETRACTOR If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear
- NHTSA 21V058000 · 2021 · COMMUNICATION: AUTO CRASH NOTIFICATION Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the ri
Estimate the 5-year cost to own a 2017 Mercedes-benz C300
A vehicle's complaint record hints at the repair and maintenance budget you'll need. Add your state, purchase price, and mileage to the TCO calculator for the full picture.
Open TCO calculatorThese are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2017 Mercedes-benz C300 units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Data as of 2026. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2017 Mercedes-benz C300 reliable?
NHTSA has 285 consumer complaints on record for the 2017 Mercedes-benz C300 and 15 recalls. The most-reported problem area is engine (76 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2017 Mercedes-benz C300 units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2017 Mercedes-benz C300?
Owners most often report problems with: engine (76), unknown or other (33), electrical system (30), fuel/propulsion system (30). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2017 Mercedes-benz C300?
Ownership cost depends on your state taxes, insurance, fuel, and the maintenance the vehicle's reliability record implies. Use the CarOutlay 5-year TCO calculator to estimate the full cost including the repair risk this complaint record suggests.