How to Improve the Fuel Efficiency of Your Mercedes-Benz in 2025

Running costs and efficiency remain high priorities for Mercedes-Benz owners. Partnering with an independent Mercedes-Benz specialist ensures your car performs at its best while keeping fuel bills lower. From driving habits to servicing schedules, there are many steps you can take in 2025 to improve fuel economy.

What are the best ways to improve Mercedes-Benz fuel efficiency in 2025? Efficient driving techniques, routine maintenance, tyre care, software updates and fuel system checks all combine to reduce consumption while keeping performance strong. Working with a qualified Mercedes-Benz expert makes long-term savings more achievable.

Driving Habits That Maximise Efficiency

• Smooth acceleration and braking reduce wasted fuel.

• Anticipating traffic flow avoids stop–start conditions.

• Using cruise control on motorways helps maintain steady speeds.

• Avoiding unnecessary idling keeps consumption under control.

Regular Maintenance Makes the Difference

A full service schedule directly impacts fuel efficiency. Checks should include:

• Fresh engine oil and filters

• Spark plugs or injectors (model-dependent)

• Clean air filters for optimum combustion

• Correct tyre pressure and tread depth

An independent Mercedes-Benz specialist has the diagnostic tools to ensure every system is running at peak efficiency.

Tyres, Alignment and Rolling Resistance

Poor alignment or under-inflated tyres create drag that forces the engine to work harder. Regular wheel alignment checks and ensuring the right tyres are fitted for the season can deliver measurable savings.

Software and System Updates

Modern Mercedes-Benz models rely heavily on ECU programming and driver-assist systems. Updates can:

• Refine fuel injection mapping

• Improve start/stop system logic

• Adjust hybrid or mild-hybrid management strategies

Having these updates applied at service intervals ensures you are not missing efficiency gains engineered by Mercedes-Benz.

Fuel Quality and Additives

Using manufacturer-approved fuels and occasional injector cleaners helps maintain combustion efficiency. While premium fuels may not be necessary for all models, they often contain detergents that keep the system cleaner.

The Role of Air Conditioning and Auxiliary Systems

Running climate control constantly at maximum load increases fuel consumption. Use auto modes and set moderate temperatures where possible. Checking refrigerant levels during servicing keeps the system efficient and prevents drag on the engine.

Hybrid and Plug-In Models: Optimising Your Driving

For owners of hybrid or plug-in models:

• Maximise regenerative braking in urban conditions

• Keep battery charged to reduce petrol reliance

• Pre-condition the cabin while plugged in to save energy on the road

The Value of Specialist Support

Routine checks and proactive care from an independent Mercedes-Benz specialist provide:

• Genuine diagnostics for efficiency losses

• Calibration of ECU and sensors

• Tailored maintenance plans that reduce waste

• Transparent advice on fuel-saving upgrades

FAQs

How often should I service my Mercedes-Benz for best efficiency? Follow the model’s service schedule, but interim checks on oil, tyres and filters are recommended for consistent efficiency.

Will software updates really improve fuel economy? Yes, updates often refine injection timing, gearbox logic and hybrid management, all of which affect consumption.

Can air conditioning affect fuel efficiency? Yes, poorly maintained systems put extra load on the engine. Regular checks keep them efficient.

What tyres improve efficiency most? Low rolling resistance tyres, correctly inflated, are best for fuel savings.

Do short journeys harm efficiency? Yes, engines run less efficiently when cold, so frequent short trips increase consumption.

In 2025, every Mercedes-Benz owner can take simple but effective steps to lower running costs. From tyre checks to ECU updates, efficiency is about consistent attention to detail. Contact MB Centre, your trusted independent Mercedes-Benz specialist, for tailored servicing and advice on maximising your Mercedes-Benz fuel efficiency.