36/100
2017Compact CarsPremium

2017 Mercedes-Benz CLS550 4matic

EPA ID: 38027
17
City MPG
20
Combined MPG
20MPG· Average
25
Highway MPG

Fuel Economy Overview

The 2017 Mercedes-Benz CLS550 4matic achieves an EPA-estimated 20 MPG in combined city and highway driving, with 17 MPG in the city and 25 MPG on the highway. Powered by a 4.7L 8-cylinder turbocharged engine paired with a automatic 9-spd, this compact cars features 4-Wheel Drive drive.

In terms of environmental impact, the 2017 CLS550 4matic produces approximately 444 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this CLS550 4matic has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,450, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $6,500 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassCompact Cars
Fuel TypePremium
Engine4.7L 8-cyl
AspirationTurbocharged
TransmissionAutomatic 9-spd
Drive Type4-Wheel Drive

Green Scorecard

CO2 Emissions444 g/mi
Start-Stop SystemEquipped
GHG Score4/10
Smog RatingN/A
Est. Annual Cost$3,450
5-Year Cost DeltaSave $6,500

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG
19.9
Impact vs EPA
+$19
/ year
💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$716/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$19,600
45.6%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$13,125
30.5%
Estimated Insurance
Based on vehicle class risk profile
$9,860
22.9%
State Registration Fees
Based on National Average DMV base rates
$400
0.9%
Total 5-Year Cost$42,985

Recall Intelligence

Campaign #21V058000·2021-03-12
critical
Component: COMMUNICATION: AUTO CRASH NOTIFICATION

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 Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

Consequence & Remedy

Consequence: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

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Looking for comprehensive historical data?

NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Mercedes-Benz CLS550 4matic configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$3,450
vs. Avg Vehicle (5 yrs)Save $6,500

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City17 MPG
Highway25 MPG
Combined20 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

88.8 metric tons CO₂
Equivalent To:
🌳 110 tree seedlings grown for 10 yrs
✈️ 7.4 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.