2018 Mercedes-Benz C300 Convertible

Compact Sedan Premium
Mercedes-Benz C300 Convertible 2018
25MPG Combined
1 Trim
← 2017 2018 2019 →
Updated February 27, 2026

Looking at the 2018 Mercedes-Benz C300 Convertible? This Compact Sedan offers 25 combined MPG and comes with 1 available configurations. We break down the specs, safety data, and how it compares to the competition.

2018 Mercedes-Benz C300 Convertible Specifications

SpecValue
Combined MPG25 combined MPG
City MPG22
Highway MPG29
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2018 Mercedes-Benz C300 Convertible costs approximately $2,350 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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