Is the 2016 Mercedes-Benz C 300 a bad year?
291 owner complaints to NHTSA. Engine complaints: 95, 9.5× a quiet C 300 year.
Keep it, but watch the engine
Half of the engine complaints for this year were filed at 24k–67k miles, where you are now.
The verdict moves with mileage: the same car reads differently at 30,000 and at 150,000 miles.
What 2016 C 300 owners report, by mileage
Each system owners named in five or more complaints, with the mileage range where the middle half of those complaints were filed. Read at 48,000 miles.
| SYSTEM | COMPLAINTS | MIDDLE HALF FILED AT | TYPICAL US REPAIR BILLS |
|---|---|---|---|
| EngineSTANDS OUT | 95 (33%) | 27k–68k miles · around this mileage | Valve cover gasket replacement $110–$500 · Timing chain replacement $1,000–$4,000 |
| Fuel systemSTANDS OUT | 67 (23%) | 37k–66k miles · around this mileage | Fuel pump replacement $220–$1,500 · Fuel injector replacement (one injector) $300–$1,200 |
| Body structure | 28 (10%) | 38k–88k miles · around this mileage | — |
| Visibility and wipers | 21 (7%) | 25k–67k miles · around this mileage | — |
| Steering | 13 (4%) | 9k–68k miles · around this mileage | Steering rack and pinion replacement $700–$2,100 |
| Electrical system | 32 (11%) | 8k–44k miles · mostly behind | — |
| Transmission and drivetrain | 18 (6%) | too few with a mileage | — |
| Brakes | 9 (3%) | too few with a mileage | — |
| Air bags | 6 (2%) | too few with a mileage | — |
Bills are typical US ranges from the sources named in the tool (J.D. Power, Kelley Blue Book, CarParts.com and others), printed only for systems that stand out or sit at or ahead of 48,000 miles. Not a quote.
What owners reported alongside their complaints
Of 291 complaints: 7 mention a crash · 5 mention a fire · 8 report an injury · 11 say the car was towed.
24 complaints were filed in the last 12 months, the newest in Oct 2026.
Counts of what owners wrote in their complaints, not verified by anyone.
Recalls for the 2016 Mercedes-Benz C 300: 13
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. A detached roof panel can become a road hazard, increasing the risk of a crash.
During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak. A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
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. The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Mercedes-Benz USA, LLC. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position. A car that cannot be properly steered has an increased risk of a crash.
Mercedes-Benz USA, LLC. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken. If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Mercedes-Benz USA, LLC. The electrical contacts for the power steering electric motor may not have been properly welded, possibly resulting in a loss of electrical contact. A loss of electrical contact will cause the electric power steering assist to deactivate, increasing the risk of a crash.
Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash. 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 event of a crash.
Mercedes-Benz USA, LLC. In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle. If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.
The affected vehicles may be equipped with an Electronic Stability Program (ESP) control unit that may have been damaged before being installed. A damaged ESP control unit may inadvertently activate the stability control altering the vehicle's path. Additionally, the electronic parking brake may not function. Either condition may increase the risk of a crash.
In the affected vehicles, the electric power steering assist system may shutdown due to a software error. If the vehicle experiences a loss of power steering assist, extra steering effort will be required at lower speeds, increasing the risk of a vehicle crash.
The affected vehicles may be equipped with a panoramic sunroof that may not be properly bonded, allowing the glass to detach and fall from the vehicle during operation. If the panoramic glass detaches during vehicle operation, it can increase the risk of injury or crash.
A recall may cover only some cars of a model year; the campaign size counts every model and year it lists. Enter your VIN at nhtsa.gov/recalls: dealers fix open recalls free.
Service bulletins from Mercedes-Benz: 111
Repair instructions Mercedes-Benz sent its dealers for symptoms seen in the shop on the 2016 Mercedes-Benz C 300. Ask a dealer or mechanic for a bulletin by its number.
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed…
Only vehicles with a variable transfer case are affected
Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase Ventilation Regulator Valve Performance: The valve…
NHTSA defect investigations: 2
Desiccated Air Bag Inflator Rupture
Front Roof Panel Detachment
Neighbouring years
2015 C 300: 382 complaints, keep it, but watch the engine · 2017 C 300: 216 complaints, keep it, but watch the engine.
Every Mercedes-Benz C 300 year
2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026 · All C 300 years side by side
Other Mercedes-Benz models: Mercedes-Benz AMG E 55 · Mercedes-Benz C 230 · Mercedes-Benz C 250 · Mercedes-Benz C 320 · Mercedes-Benz C 350 · Mercedes-Benz CLA 250 · Mercedes-Benz E 300 · Mercedes-Benz E 320 · Mercedes-Benz E 350 · Mercedes-Benz E 500 · Mercedes-Benz E 550 · Mercedes-Benz GL 450 · Mercedes-Benz GLA 250 · Mercedes-Benz GLC 300 · Mercedes-Benz GLE 350 · Mercedes-Benz GLK 350 · Mercedes-Benz ML 320 · Mercedes-Benz ML 350 · Mercedes-Benz Metris · Mercedes-Benz R 350 · Mercedes-Benz S 430 · Mercedes-Benz S 500 · Mercedes-Benz S 550 · Mercedes-Benz S Class · Mercedes-Benz SL 500 · Mercedes-Benz Sprinter 2500 · Mercedes-Benz Sprinter 3500. All makes and models.
Questions
Is the 2016 Mercedes-Benz C 300 a bad year?
291 owner complaints to NHTSA. Engine complaints: 95, 9.5× a quiet C 300 year. At 48,000 miles the tool says: Keep it, but watch the engine. Half of the engine complaints for this year were filed at 24k–67k miles, where you are now.
What are the most common problems with the 2016 Mercedes-Benz C 300?
By owner complaints to NHTSA: engine (95), fuel system (67), body structure (28), visibility and wipers (21), steering (13). Half of the engine complaints were filed between 24k–67k miles.
How many recalls does the 2016 Mercedes-Benz C 300 have?
13 recall campaigns list this model year: Body structure (NHTSA 23V-854), Fuel system (NHTSA 21V-961), Body structure (NHTSA 21V-197), Electrical system (NHTSA 21V-058) and more. A recall may cover only some cars; check by VIN at nhtsa.gov/recalls.
Method: counts of unverified owner complaints filed with NHTSA, compared only with other years of the same model (sales volumes are unknown, so no failure rate is computed). A system stands out at 40+ complaints and at least twice the model's quiet (lower-quartile) year, or twice the share across every vehicle of that model year. The mileage range is the 25th to 75th percentile of the mileages owners reported. Data received by NHTSA through November 5, 2026. Repair prices are typical US ranges from named sources, not quotes. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Check this car at your own mileage.