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Which Mercedes has the best fuel consumption?

Even premium brands know that fuel economy is high on consumers' priority list when it comes to buying a new car. We look at the claimed fuel consumption figures across the entire Mercedes-Benz passenger car range to see which one is the most fuel-efficient.

Automotive News2 min read

The brand with the famous three-pointed star has been around for more than 100 years and still finds itself as one of the most established brands on the planet. A staple in the premium and luxury segments, Mercedes-Benz has a wide array of offerings to satiate almost all motoring preferences. These even include economical cars with great fuel consumption.

Related: Making sense of fuel consumption claims

The Mercedes-Benz passenger car portfolio has three distinct branches: Mercedes-Benz, Mercedes-AMG, and Mercedes-Benz EQ. Each one offers a somewhat unique approach to producing vehicles that encompass a particular lifestyle. 


Mercedes-Benz passenger vehicles are geared towards the average consumer, whether they're looking for a premium hatchback or a luxurious SUV. The AMG-Line of vehicles adds a sporty air to proceedings that helps you express your individuality. A range of petrol and diesel engines do duty offering a choice of economy or power.

Mercedes-Benz EQ is the electric vehicle arm that solely produces electrified vehicles making the range, technically, the most fuel-efficient. But if EVs are not your thing, then you will most likely be looking at the other offerings in their portfolio. For interest sake, the most efficient Mercedes-Benz EQ in the range is the EQA250, with a consumption of 14.4 kWh/100km.

The third division of Mercedes-Benz is the Mercedes-AMG high-performance division. Although there are electrified options in the range, none of the Mercedes-AMG models are in contention for the award of most fuel-efficient.


Mercedes-Benz Best Fuel Consumption

The Mercedes-Benz with the best fuel consumption is the Mercedes-Benz CLA220d, showing that sedans still have some benefits over the more popular crossover and SUV shapes. The CLA's aerodynamic form, paired with the frugal diesel engine, means that you can expect a combined cycle fuel consumption figure of 4.4 l/100km, yielding as much as 1 159 km from a single tank.

The CLA220d is powered by a 2.0-litre, 4-cylinder diesel engine that produces 140 kW and 400 Nm. Power is sent to the front wheels through an 8-speed automatic gearbox. This combination allows it to go from 0 to 100 km/ in only 7.3 seconds and on to a top speed of 244 km/h, proving that an efficient engine can, in fact, still perform well.

The Mercedes-Benz CLA range available in both Progressive and AMG-Line trims with prices starting from R947 630*.

*Pricing correct at time of publishing.

Author - Chad Lückhoff

Written by Chad Lückhoff

Chad is a former motorsport commentator, technical editor, and has an unhealthy obsession with 90s Japanese sports cars. He is happiest when surrounded by drift cars and smoking tyres. As comfortable in front of the camera as he is behind it, he’ll take you behind the wheel with his video reviews, written recounts, and invoking photography. One of the first to join the AutoTrader fray, Chad has been living his passion at AutoTrader for over 11-years.Read more

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