Skip to content
Trimslate
SavedHelp

2017 Mercedes-Benz

C350e

Auto 7-spd, 4 cyl, 2.0 L, Turbo

Mercedes-Benz C350e: best and worst years

Overview

Body
Compact CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 7-spdEPA, from EPA, last updated 6/22/2026
Powertrain
Plug-in HybridEPA, from EPA, last updated 6/22/2026
Fuel
Premium and ElectricityEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
4EPA, from EPA, last updated 6/22/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/22/2026
Motor kW
60EPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
32 mpgEPA, from EPA, last updated 6/22/2026
MPG City
28 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
30 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$2,550EPA, from EPA, last updated 6/22/2026
CO₂
215 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
9/10EPA, from EPA, last updated 6/22/2026
Smog score
6/10
Elec. Range
410 miEPA, from EPA, last updated 6/22/2026
Range per hour (240V)
273 mi/hr
Recharge hrs
1.5EPA, from EPA, last updated 6/22/2026
SmartWay certified
Yes

Dimensions & capacity

Pass. Vol
91 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
10 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

Recalls
0
Owner complaints
0

Federal investigations NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

  • EA21002Openopened Sep 17, 2021AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Desiccated Air Bag Inflator Rupture

  • PE21001opened Jan 8, 2021STRUCTURE:BODY:ROOF AND PILLARS

    Front Roof Panel Detachment

Known issues manufacturer service bulletins, model year

97 service bulletins filed with NHTSA for this model year

  • May 26, 2026ELECTRICAL SYSTEMLI82.85-P-080559

    Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market vehicles. Cause Before deactivating the HERMES control unit (N112/9), it must be clarified by the legal department of the respective MPC whether and under what conditions deactivation may be carried out. If deactivation is not permissible under applicable law, the HERMES control unit (N112/9) must not be deactivated. Remedy

  • May 26, 2026ELECTRICAL SYSTEMLI82.85-P-080507

    Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N112/9) control unit: event code B15CE00 is ACTIVE and STORED (A+S) • Vehicle Documentation System: For the HERMES control unit, the EID1, EID2, ICCID, IMEI, IMSI, TELNR fields in the "Identification/Serial number" column have the value "-" Caus

  • May 19, 2026VISIBILITY/WIPERLI82.30-P-059239

    Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled back onto the windshield from the A-pillar (Figure 1) D: After windshield cleaning, water keeps spraying onto the windshield for several wipe cycles (Figure 2) A1: The windshield and wiper blades are contaminated with residues from car washing

  • May 12, 2026BACK OVER PREVENTION: WARNINGSLI54.65-P-080132

    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 Park Topics Cause Various root causes Remedy See attached diagnostic guide.

  • Apr 16, 2026EXTERIOR LIGHTINGLI82.10-P-078301

    Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm is fitted in the housing cover, then the lamp unit is a "closed system". Remedy Headlamp: Remedy 1 Clearing fogged/condensed LED headlamps: 1. Drive vehicle into workshop (temperature higher than +18 °C/+64.4 °F) and connect the exhaust extra

  • Feb 13, 2026UNKNOWN OR OTHERNCU - 2025090001

    Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibility exists that the sealant bottle may leak or may have otherwise been removed from the vehicle. MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will replace the TIREFIT bottle in the trunk.

  • Jan 16, 2026VISIBILITY/WIPERLI83.30-P-079850

    Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there are other Li's that apply to your concern OR you have a fault and/or guided test that leads to a root cause. AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to Like Vehicle • Determine if the behavior is normal by comparing with a similar vehicle. Determ

  • Dec 18, 2025ELECTRICAL SYSTEMLI54.65-P-066284

    Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The reversing camera or the 360° system functions normally when activated manually or by engaging drive range "R". Cause This is not a malfunction, but an intended system behavior. Calibration of the reversing camera is in progress. The calibration is completed by: • Opening the camera cover for a maximum of 5 cumulative minute

  • and 89 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr / 50k mi
EV battery
10 yr / 155k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.