2017 Mercedes-Benz C350E Problems
- Complaints
- 5filed with NHTSA
- Median mileage
- 10miles, 1 complaints with mileage
- Recalls
- 4campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- 5 / 5stars overall, 2 rated versions
- EPA fuel economy
- 30 mpgcombined (gas only), 2.0L 4-cyl · plug-in hybrid RWD · 28 city / 32 hwy
Sources: NHTSA records for the 2017 Mercedes-Benz C350E (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 5 consumer complaints for the 2017 Mercedes-Benz C350E. The part named most often is engine, with 3 complaints (60% of the total), followed by fuel system (2) and electrical system (1). 1 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 10 miles. NHTSA lists 4 recall campaigns and 143 technical service bulletins for this model year. Engine complaints overlap with 12 technical service bulletins filed under the same part. Fuel system complaints overlap with 4 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Engine3 60%
- Fuel system2 40%
- Electrical system1 20%
- Lane departure1 20%
- Other or unknown1 20%
- Suspension1 20%
Example complaints
Engine: “Check engine light came on, a day after purchasing from dealer. Mileage at 55k. Check engine light code was p052e71, confirmed from 2 auto repairers. One was Mercedes Benz who quoted me $3900 to repair. In the Mercedes Benz booklet warranty says emission related repairs are covered for 15 years/150k miles for hybrid vehicles.”
NHTSA complaint #11541047, filed 2023-08Fuel system: “Car is making weird noises from the front electrical AC side- it is hard to breath AC air (smell like plastic) . Pressing brakes car is handling bad and goes slightly into other lane. I took car to dealer- they could not find the problem”
NHTSA complaint #11405100, filed 2021-03, 10 milesMileage when problems were reported
100% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 10 and 10 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2017 Mercedes-Benz C350E. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| C-Class · sedan 4WD | ★★★★★ | 5 / 4 | 5 | 5 | 4 · 11.0% risk |
| C-Class · sedan RWD | ★★★★★ | 5 / 4 | 5 | 5 | 4 · 11.0% risk |
Driver aids listed by NHTSA for the 2017 model year: forward collision warning optional, lane departure warning optional, automatic emergency braking not available.
Neighbouring years: 2016: same overall rating; 2018: same overall rating. A redesign between years can change both the car and the test.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2017 Mercedes-Benz C350E version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving); plug-in hybrid figures are for gasoline-only (hybrid mode) driving, so no annual cost is shown.
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| C350e RWD | 2.0L 4-cyl · plug-in hybrid | 7-speed automatic | 28 | 32 | 30 gas only | — |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 23V854000Dec 15, 2023Structure › Body › Roof and pillarsCovers: Mercedes-Benz C350E 2016–2018, CLA250 2014–2019, C300 2015–2020 +19 more
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof…
- 21V197000Mar 19, 2021Structure › Body › Roof and pillarsCovers: Mercedes-Benz C350E 2016–2018, AMG S63 2014–2020, CLA250 2014–2019 +19 more
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300…
- 21V058000Feb 5, 2021Electrical system › SoftwareCovers: Mercedes-Benz C350E 2017–2020, C300 2016–2021, CLA250 2016–2021 +65 more
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the…
- 17V627000Oct 6, 2017Air bags › FrontalCovers: Mercedes-Benz C350E 2016–2017, C300 2012–2018, AMG C63 2012–2018 +21 more
Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG…
Recall details for the 2017 Mercedes-Benz C350E → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 143 on record; the latest 10 are shown.
- 11038186Sep 22, 2026Brakes. Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is…
- 11038217Sep 14, 2026Body and structure. Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even…
- 11037211Aug 29, 2026Transmission and drivetrain. Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. May be most noticeable when transitioning from a…
- 11037228Aug 28, 2026Steering. Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. OR Rattling, humming, dry sliding/gravel noise from the electric steering…
- 11036511Aug 24, 2026Electrical system, Body and structure. Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy…
- 11036142Aug 12, 2026Electrical system. Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other…
- 11036190Aug 6, 2026Electrical system. Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP Radio 4.Send2Car…
- 11036101Aug 6, 2026Body and structure. Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even…
- 11035005Jul 14, 2026Transmission and drivetrain. Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound…
- 11034064Jun 19, 2026Engine, Visibility (wipers, defrost, mirrors). Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer…
Other model years of the Mercedes-Benz C350E
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2017 | 5 | 10 | 4 | 5 | 30 | — | Not enough data |
| 2016 | 6 | 15,250 | 5 | 5 | 30 | — | Not enough data |
All Mercedes-Benz C350E model years
Frequently asked questions
How many NHTSA complaints does the 2017 Mercedes-Benz C350E have?
NHTSA recorded 5 consumer complaints for the 2017 Mercedes-Benz C350E as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2017 Mercedes-Benz C350E is reported most often?
Engine is named most often, in 3 complaints (60% of the total), followed by fuel system with 2.
Has the 2017 Mercedes-Benz C350E been recalled?
NHTSA lists 4 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2017 Mercedes-Benz C350E do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2017 Mercedes-Benz C350E 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
What gas mileage does the 2017 Mercedes-Benz C350E get?
The EPA rates the 2017 Mercedes-Benz C350E (C350e, 2.0L 4-cyl · plug-in hybrid) at 30 mpg combined, 28 city and 32 highway when running on gasoline in hybrid mode. Other engine and drive versions are rated differently.
At what mileage are problems with the 2017 Mercedes-Benz C350E reported?
Among the 1 complaints that include a mileage, the median is 10 miles and the middle half falls between 10 and 10 miles; 100% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.