2017 Mercedes-Benz C300
Problems, Recalls & Reliability Report
Quick Summary
The 2017 Mercedes-Benz C300 has 285 owner complaints filed with NHTSA — that's 3.6x the segment average of 80. The most common issue is engine problems (27% of all complaints), specifically: "takata recall" i had my 2017 mercedes benz c300 fir only a few months and i have experience 4 encounters as to where my vehicle wouldnt start back up while sitting inside of my vehicle for at least 2 to 3 mins its like being locked inside of my own car everything completely shuts down the engin. ⚠️ 5 fire reports filed.
285
Total Complaints
0
Recalls Issued
—/5
Safety Stars
3.6x
vs Segment Avg
Known Problems
ENGINE
78 complaints- • "TAKATA RECALL" I HAD MY 2017 MERCEDES BENZ C300 FIR ONLY A FEW MONTHS AND I HAVE EXPERIENCE 4 ENCOUNTERS AS TO WHERE MY VEHICLE WOULDNT START BACK UP WHILE SITTING INSIDE OF MY VEHICLE FOR AT LEAST 2 TO 3 MINS ITS LIKE BEING LOCKED INSIDE OF MY OWN CAR EVERYTHING COMPLETELY SHUTS DOWN THE ENGIN
- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM). THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR TH
- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FO
“"TAKATA RECALL" I HAD MY 2017 MERCEDES BENZ C300 FIR ONLY A FEW MONTHS AND I HAVE EXPERIENCE 4 ENCOUNTERS AS TO WHERE MY VEHICLE WOULDNT START BACK UP WHILE SITTING INSIDE OF MY VEHICLE FOR AT LEAST 2 TO 3 MINS ITS LIKE BEING LOCKED INSIDE OF MY OWN CAR EVERYTHING COMPLETELY SHUTS DOWN THE ENGIN”
— NHTSA complaint filing
OTHER
35 complaints- • SUNROOF EXPLOSION TOOK PLACE IN TRANSIT TO DELIVERY TO MY HOME IN CENTERVILLE, OHIO FROM HOUSTON, TEXAS. IT WAS STATIONARY INSIDE OF ENCLOSED TRANSIT VEHICLE.
- • "TAKATA RECALL" I HAD MY 2017 MERCEDES BENZ C300 FIR ONLY A FEW MONTHS AND I HAVE EXPERIENCE 4 ENCOUNTERS AS TO WHERE MY VEHICLE WOULDNT START BACK UP WHILE SITTING INSIDE OF MY VEHICLE FOR AT LEAST 2 TO 3 MINS ITS LIKE BEING LOCKED INSIDE OF MY OWN CAR EVERYTHING COMPLETELY SHUTS DOWN THE ENGIN
- • WHILE DRIVING THE CARE, I NOTICED THE SEAT BELT LIGHT REMAINED ON DESPITE BEING BUCKLED AND THE PASSENGER AIR WAS NOT SET DESPITE MY WIFE SITTING IN THE SEAT. I FOUND THIS ODD, CONTACTED THE DEALERSHIP FOR SERVICE AND RESEARCHED IF THE CAR HAD A RECALL...THIS CAR DID HAVE A RECALL AND WAS SOLD WHILE
“SUNROOF EXPLOSION TOOK PLACE IN TRANSIT TO DELIVERY TO MY HOME IN CENTERVILLE, OHIO FROM HOUSTON, TEXAS. IT WAS STATIONARY INSIDE OF ENCLOSED TRANSIT VEHICLE.”
— NHTSA complaint filing
FUEL SYSTEM
33 complaints- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHEN THE CONTACT STARTED THE VEHICLE WITH THE MOBILE APP, SHE NOTICED A FUEL ODOR EMITTING FROM THE VEHICLE. WHEN THE VEHICLE WAS STARTED MANUALLY, THE ODOR WAS NOT PRESENT. THE CONTACT TOOK THE VEHICLE TO PARK PLACE MOTORCARS DALLAS (LOCATED AT 6113 L
- • EXHAUST WAS COMING INTO THE CAR FOR MONTH. WHEN I STARTED THE CAR TO LET IT WARM UP IN WINTER MONTHS, I WOULD GET IN AND WONDER WHY I SMELLED GAS OR FUMES. FIGURED IT WAS FROM SITTING. NO DASHBOARD LIGHTS CAME ON, NO C02 SENSORS IF THERE ARE ANY, NOTHING CAME ON IN THE INTERIOR TO WARN ME THERE WAS
- • TL* THE CONTACT OWNS A 2017 MERCEDES BENZ C300. THE CONTACT STATED THAT WHILE THE HEATER WAS ACTIVATED, THERE WAS AN ABNORMAL FUEL ODOR COMING FROM THE VENTS INTO THE VEHICLE. THE VEHICLE WAS NOT TAKEN TO A DEALER OR MECHANIC TO BE DIAGNOSED. THE CONTACT STATED THAT THE FUEL ODOR ONLY OCCURRED DURI
“TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHEN THE CONTACT STARTED THE VEHICLE WITH THE MOBILE APP, SHE NOTICED A FUEL ODOR EMITTING FROM THE VEHICLE. WHEN THE VEHICLE WAS STARTED MANUALLY, THE ODOR WAS NOT PRESENT. THE CONTACT TOOK THE VEHICLE TO PARK PLACE MOTORCARS DALLAS (LOCATED AT 6113 L”
— NHTSA complaint filing
ELECTRICAL
31 complaints- • VEHICLE HORN WILL NOT FUNCTION WHEN IGNITION SWITCH IS IN OFF POSITION.
- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM). THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR TH
- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V114000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FO
“VEHICLE HORN WILL NOT FUNCTION WHEN IGNITION SWITCH IS IN OFF POSITION.”
— NHTSA complaint filing
BODY/STRUCTURE
24 complaints- • TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHILE DRIVING APPROXIMATELY 35 MPH, THE GLASS MOON ROOF SUDDENLY EXPLODED, CAUSING GLASS TO ENTER THE CABIN OF THE VEHICLE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF LOVELAND (4040 BYRD DR, LOVELAND, CO), BUT THE CAUSE OF THE FA
- • I HIT A BEAR IN MONTANA IN MY 2017 MERCEDES C300 AT 86MPH AND DESTROYED THE FRONT OF MY CAR. THE SEATBELTS DEPLOYED AND WRENCHED US INTO OUR SEATS AND SMOKE CAME OUT OF THE FRONT AIR VENTS BUT THE AIRBAGS DID NOT GO OFF. ON THE DASH THE VEHICLES STATED THAT THE AIRBAGS IN ALL 4 ZONES IN THE CAR MALF
- • SUDDEN ACCELERATION AFTER PULLING VERY SLOWLY INTO PARKING SPACE. ALMOST STOPPED. CAR SUDDENLY ACCELERATED, JUMPED A CURB FROM, WENT UP AN EMBANKMENT AND HIT A TREE. WAS ABLE TO REVERSE AND BACK DOWN. IT WILL TAKE A MONTH FOR BODY WORK. NOTIFIED MERCEDES DEALER. THEY WILL RUN DIAGNOSTICS ON JAN. 7
“TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHILE DRIVING APPROXIMATELY 35 MPH, THE GLASS MOON ROOF SUDDENLY EXPLODED, CAUSING GLASS TO ENTER THE CABIN OF THE VEHICLE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF LOVELAND (4040 BYRD DR, LOVELAND, CO), BUT THE CAUSE OF THE FA”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 285 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: "TAKATA RECALL" I HAD MY 2017 MERCEDES BENZ C300 FIR ONLY A FEW MONTHS AND I HAVE EXPERIENCE 4 ENCOUNTERS AS TO WHERE MY VEHICLE WOULDNT START BACK UP WHILE SITTING INSIDE OF MY VEHICLE FOR AT LEAST 2 TO 3 MINS ITS LIKE BEING LOCKED INSIDE OF MY OWN CAR EVERYTHING COMPLETELY SHUTS DOWN THE ENGIN
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: SUNROOF EXPLOSION TOOK PLACE IN TRANSIT TO DELIVERY TO MY HOME IN CENTERVILLE, OHIO FROM HOUSTON, TEXAS. IT WAS STATIONARY INSIDE OF ENCLOSED TRANSIT VEHICLE.
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ C300. WHEN THE CONTACT STARTED THE VEHICLE WITH THE MOBILE APP, SHE NOTICED A FUEL ODOR EMITTING FROM THE VEHICLE. WHEN THE VEHICLE WAS STARTED MANUALLY, THE ODOR WAS NOT PRESENT. THE CONTACT TOOK THE VEHICLE TO PARK PLACE MOTORCARS DALLAS (LOCATED AT 6113 L
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: VEHICLE HORN WILL NOT FUNCTION WHEN IGNITION SWITCH IS IN OFF POSITION.
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz C300 — Year Comparison
How does 2017 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 285
- Recalls
- 0
- Fire reports
- 5
- Crash reports
- 15
- Injury reports
- 19
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2017 Mercedes-Benz C300