2015 Mercedes-benz C300 reliability record
Every consumer complaint and recall the U.S. government (NHTSA) has on file for the 2015 Mercedes-benz C300 — the repair risk behind the ownership cost.
- NHTSA complaints
- 511
- 302 in the last 5 years
- Top problem area
- ENGINE
- 127 complaints
- Recalls on record
- 11
- see below
- Reported harm
- 14 reported crashes · 9 injuries · 1 fire
How this record compares
raw NHTSA counts, not defect ratesComplaint rank
#1,015
of 4,194 vehicle records
Vs Mercedes-benz median
+342
median 169 across 69 Mercedes-benz records
Vs 2013-2017
+221
median 290 complaints in 624 records
Top component share
25%
Engine: 127 complaints
What owners report fails — 2015 Mercedes-benz C300
- ENGINE 127
- FUEL/PROPULSION SYSTEM 66
- UNKNOWN OR OTHER 63
- ELECTRICAL SYSTEM 49
- STRUCTURE:BODY 33
11 recalls on record for the 2015 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 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 18V850000 · 2019 · STEERING:RACK AND PINION:RACK A car that cannot be properly steered has an increased risk of a crash.
- NHTSA 19V787000 · 2019 · COMMUNICATION An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
- NHTSA 17V177000 · 2017 · ELECTRICAL SYSTEM:SOFTWARE If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the eve
Estimate the 5-year cost to own a 2015 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 2015 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 2015 Mercedes-benz C300 reliable?
NHTSA has 511 consumer complaints on record for the 2015 Mercedes-benz C300 and 11 recalls. The most-reported problem area is engine (127 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2015 Mercedes-benz C300 units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2015 Mercedes-benz C300?
Owners most often report problems with: engine (127), fuel/propulsion system (66), unknown or other (63), electrical system (49). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2015 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.