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2020 Mercedes-Benz

GLC300

Auto 9-spd, 4 cyl, 2.0 L, Turbo

Mercedes-Benz GLC300: best and worst years

Overview

Body
Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/22/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 9-spdEPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, 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
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
29 mpgEPA, from EPA, last updated 6/22/2026
MPG City
22 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
24 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,200EPA, from EPA, last updated 6/22/2026
CO₂
366 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
5/10EPA, from EPA, last updated 6/22/2026
Smog score
6/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
Real-world MPG
24.7 mpg, reported by 1 driverabout 0.7 mpg above the EPA combined estimate
SmartWay certified
No

Safety NHTSA, model year

Recalls
0
Owner complaints
0

Federal investigations NHTSA defect investigations, model year

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

    Front Roof Panel Detachment

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Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice.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.