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2014 Mercedes-Benz

E350 Coupe

Auto 7-spd, 6 cyl, 3.5 L, SIDI; FFV

Mercedes-Benz E350: best and worst years

Overview

Body
Subcompact 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
GasEPA, from EPA, last updated 6/22/2026
Fuel
Premium or E85EPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/22/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
28 mpgEPA, from EPA, last updated 6/22/2026
MPG City
20 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
23 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,350EPA, from EPA, last updated 6/22/2026
CO₂
391 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
6/10EPA, from EPA, last updated 6/22/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Safety NHTSA, model year

Recalls
0
Owner complaints
0

Federal investigations NHTSA defect investigations, model year

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

    Desiccated Air Bag Inflator Rupture

  • DP20004opened Apr 24, 2020SERVICE BRAKES

    Rear brake line failure

Known issues manufacturer service bulletins, model year

112 service bulletins filed with NHTSA for this model year

  • 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 13, 2026SUSPENSIONLI35.10-P-078931

    Complaint Potential corrosion on the rear axle carrier Cause Due to market-specific conditions such as moisture, ingress of dirt and/or environmental influences, corrosion can occur on the rear axle carrier Remedy In the event of a complaint, the optimized repair method must be used when replacing the rear axle carrier. The repair method for the respective model series can be found in the attachment. Repair packages are available in Xentry Repair Packages for the special processing of rear axle

  • 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 25, 2026EXTERIOR LIGHTINGLI82.10-P-078307

    Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine if physical fogging exists or if the headlamp is leaky. Remedy In advance, observe LI82.10-P-078301 "Headlamp/front fog lamp leaky or fogged". 1. Prepare headlamp/check for external damage: For headlam

  • Feb 24, 2026EXTERIOR LIGHTINGLI82.10-P-078896

    Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine if physical fogging exists or if the headlamp is leaky. Remedy Check for external damage: You can identify a damaged headlamp in the following way: For headlamps with a closed system 1. Check the headl

  • 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

  • Nov 15, 2025POWER TRAINLI33.30-P-056665

    Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the problem is due to micromovement in the connection between the wheel bearing inner race and the joint housing of the side shaft. Note: The collar nut must always be re

  • and 104 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.