This Mercedes-Benz E Class E300 e (2024) review finds a highly accomplished luxury plug-in hybrid: the 313-hp rear-drive saloon can cover roughly 60-plus miles electrically in favourable real-world conditions, then use petrol for long trips. It is worth considering if you can charge at home or work, but not if you need a large boot or sporty handling.
The E300e’s defining strength is that its plug-in system is useful rather than merely nominal. The E300e can handle many daily journeys on electricity and still provide the quiet comfort and petrol range expected of an executive Mercedes. The compromise is equally clear: the battery reduces saloon boot space to 370 litres, and the car’s relaxed character will not satisfy buyers seeking BMW-like agility.
This review uses primarily UK and European specification and distinguishes Mercedes-Benz’s official range figures from independent road-test results. Equipment, pricing, tax treatment, charging standards and availability can differ by market.
Key takeaways
- The 2024 Mercedes-Benz E300e combines a 1,999cc four-cylinder petrol engine with a 95kW electric motor to produce 313hp and 550Nm, with rear-wheel drive and a 6.4-second 0-62mph time, according to Mercedes-Benz UK technical data.
- Mercedes-Benz UK lists 71 miles of EAER and 67 miles of detailed WLTP electric range, while independent tests achieved approximately 56 to 63 electric miles in varied conditions.
- The E300e supports 11kW AC charging, with a listed two-hour 0-100% charge, plus 55kW DC charging that Mercedes-Benz says can take 20 minutes from 10% to 80%.
- The E300e saloon has 370 litres of boot space, compared with 540 litres in the non-PHEV E-Class saloon.
- The 2024 E-Class earned a five-star Euro NCAP rating, including 92% adult occupant protection, 90% child occupant protection, 84% vulnerable-road-user protection and 87% safety assist.
- The E300e is a quiet, technology-rich luxury cruiser rather than a sporty BMW-style saloon, and its financial advantage depends on charging regularly.
What are the 2024 Mercedes-Benz E300e’s key specifications?
The E300e is a rear-wheel-drive petrol plug-in hybrid aimed at buyers who want electric commuting without giving up petrol-powered long-distance flexibility. The figures below refer primarily to the UK-market E300e saloon; Mercedes-Benz equipment, trim names and availability can differ in other countries.
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| Specification | Mercedes-Benz E300e | What it means on the road |
|---|---|---|
| Petrol engine | 1,999cc four-cylinder | Petrol range for longer journeys |
| Electric motor | 95kW | Immediate low-speed response |
| System output | 313hp | Brisk performance without a sports-car character |
| System torque | 550Nm | Strong overtaking and motorway acceleration |
| Drivetrain | Rear-wheel drive | Traditional executive-saloon layout |
| Transmission | 9G-TRONIC automatic | Smooth, relaxed progress |
| 0-62mph | 6.4 seconds | Quick enough for effortless overtaking |
| Top speed | 147mph | Suitable for unrestricted motorway travel where legal |
| Usable battery | 19.53kWh | A substantial battery for a plug-in hybrid |
| Maximum AC charging | 11kW | Mercedes-Benz lists two hours for 0-100% AC charging |
| Maximum DC charging | 55kW | Mercedes-Benz lists 20 minutes for 10-80% DC charging |
Mercedes-Benz UK’s current E-Class technical data lists 150kW from the petrol engine plus 95kW from the electric motor, resulting in 313hp of system output and 550Nm of system torque. The E300e is quick, but the numbers describe its ability to make relaxed progress more than a desire to attack corners.
How far can the Mercedes E300e go on electric power?
The Mercedes E300e can cover about 60 electric miles in favourable real-world conditions, but the official range is presented in more than one way. Mercedes-Benz UK lists a 71-mile EAER figure and a 67-mile detailed WLTP electrical-range figure for the E300e. Neither figure should be treated as a guaranteed distance in every season or driving environment.
| Evidence | Electric distance | Conditions or interpretation |
|---|---|---|
| Mercedes-Benz UK current technical data | 71 miles EAER | Official equivalent all-electric range |
| Mercedes-Benz UK detailed electrical-range table | 67 miles WLTP | Official detailed WLTP electrical range |
| Autocar road test | 60 miles | The petrol engine started after approximately 60 miles in cool temperatures |
| Auto Trader road test | 63 miles | 63 electric miles during a 75-mile test journey |
| The Irish Times road test, 2024 | Approximately 90km, or about 56 miles | Wet motorway driving with heating and heated seats operating |
The credible planning figure is therefore 60-plus electric miles when conditions are favourable, not 71 miles in every journey. Cold weather, sustained high speed, heating, heated seats, traffic, tyre choice and road surface can all reduce the distance available from the battery. A driver who regularly covers 30 to 50 daily miles should have a realistic chance of completing many commutes without using petrol, while a driver planning 60-plus miles should leave room for conditions to change.
Auto Trader described the result positively: “The plug-in hybrid E300e we drove is the most interesting option, and we were very impressed to get 63 miles of a 75-mile journey on electric power alone.” The result is useful evidence that the E300e’s electric ability is more substantial than the short electric range associated with many older plug-in hybrids, but it remains a test result rather than a promise to every owner.
How long does the Mercedes E300e take to charge?
The Mercedes E300e takes two hours for a manufacturer-listed 0-100% AC charge at up to 11kW, while Mercedes-Benz UK lists 20 minutes for a 10-80% DC charge at up to 55kW. The exact time in use depends on the charging point, starting state of charge and electrical installation.
The 11kW AC capability suits regular overnight or workday charging, especially when the car is parked for several hours. DC charging is unusually useful for a plug-in hybrid during a longer day because a short stop can restore much of the battery’s usable range. The most important ownership habit is not achieving the fastest possible charge; it is connecting the car often enough that the battery is available for the journeys that matter.
Do I need a home charger for the E300e?
You do not technically need a home charger for the Mercedes E300e, but you do need dependable access to charging at home, work or public locations to realise the plug-in hybrid’s main advantage. Home or workplace charging makes the car far more convenient for repeated short journeys than relying exclusively on public charging.
Drivers creating a charging setup should compare home charger installation for a Mercedes E300e by installation cost, load management, cable length, electrical capacity and local incentives rather than choosing solely on maximum headline power. The E300e’s listed 11kW AC limit means a more powerful installation does not automatically make the car charge faster. Availability, electrical standards and incentives vary by country and property.
Is the E300e quick enough for everyday driving?
Yes. The Mercedes E300e is brisk without feeling aggressive: the electric motor supplies immediate response, while the petrol engine extends the car’s touring ability. According to Mercedes-Benz UK’s current technical data for the 2024 E-Class, 313hp, 550Nm and a 6.4-second 0-62mph time provide ample acceleration for joining motorways and overtaking.
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The E300e’s four-cylinder petrol engine becomes more noticeable when the driver demands acceleration suddenly. Stuff’s 2024 E300e review describes the car as more of a cruiser than a performance car and notes that the engine can sound unrefined when worked hard. The E300e feels most convincing when the electric motor and automatic gearbox deliver smooth, unhurried momentum rather than when the driver repeatedly chases maximum acceleration.
Is the E300e comfortable?
The Mercedes E300e is most comfortable on motorways, urban commutes and flowing roads, where its quiet electric running, generally smooth hybrid transitions, supportive seats and insulated cabin create a convincing executive-car experience. Auto Trader awarded the E-Class five out of five for comfort and described its hybrid test car as refined and comfortable.
Ride quality is not flawless. Auto Trader’s E-Class review reports that sharper-edged bumps can thump through the suspension and says UK buyers do not appear to receive the air-suspension and rear-wheel-steering options available in some other markets. The Irish Times found the ride never harsh but slightly lumpy and argued that optional air springs would better suit the E-Class’s intended dignity.
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The E300e is therefore a comfort-led cruiser, not a magic carpet on every road. Wheel size, tyre choice, specification and the condition of the road will affect the experience, so a test drive over the routes you use most is more valuable than assuming every E-Class rides identically.
What is the E300e interior and technology like?
The Mercedes E300e’s interior makes technology a central part of the luxury experience. Mercedes-Benz highlights MBUX Routines, which can save entertainment and comfort preferences, an optional MBUX Superscreen with a front-passenger display, a driver-monitoring camera, available Driving Assistance Package Plus, DIGITAL LIGHT and multiple USB-C connections. Equipment remains dependent on trim and market.
Auto Trader praises the sharp graphics, smooth menus and premium feel of the MBUX environment, while criticising the touch-sensitive steering-wheel controls and finding the voice-control experience less convincing than the marketing suggests. The controls look modern, but touch-sensitive surfaces can demand more visual attention than well-defined physical switches.
In the car tested by Stuff, the central display measured 14.4 inches, the passenger display measured 12.3 inches and the driver display measured 12.4 inches. Stuff praised the colour, clarity, navigation and general functionality but found the ambient-lighting ring too dominant. The technology is impressive and broadly coherent, although the E-Class sometimes confuses visual theatre with usability.
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The Mercedes E300e has 370 litres of saloon boot space, which is a significant compromise for a car of this size. Mercedes-Benz UK lists 540 litres for the non-PHEV E200 and E220 d saloons in the same technical table, so the plug-in battery and associated charging hardware cost 170 litres of capacity.
| Model | Boot capacity | Practical implication |
|---|---|---|
| E300e plug-in hybrid saloon | 370 litres | A couple of sensibly sized suitcases, but awkward for irregular luggage |
| E200 non-PHEV saloon | 540 litres | 170 litres more than the E300e |
| E220 d non-PHEV saloon | 540 litres | 170 litres more than the E300e |
Mercedes-Benz UK’s practicality data confirms the 370-litre E300e figure. Stuff says the boot can take a couple of sensibly sized suitcases but warns that irregularly shaped luggage can be difficult to load. Families should check the actual car with their pushchair, cases or sports equipment before buying.
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An E-Class Estate E300e may offer a better answer for some family buyers if it is available in the relevant market and specification. Buyers should not assume that the Estate has the same electric range, boot capacity, equipment or pricing as the saloon.
Is the E300e good for long-distance driving?
Yes, the Mercedes E300e is good for long-distance driving because the petrol engine removes the range-planning constraint of a full electric vehicle and the cabin is quiet and comfortable at motorway speeds. The E300e is especially persuasive for owners who use electric power during the week but need petrol flexibility for occasional long trips.
The qualification is efficiency after the battery is depleted. Autocar reported more than 40mpg in its test with the battery depleted, which is useful but does not make the E300e equivalent to a dedicated long-range diesel in every touring situation. A charged battery also adds value on the first part of a journey; a driver who never charges is carrying the complexity and weight of a plug-in system without using its strongest feature.
The E300e is not a full-EV replacement for a buyer who wants silent electric travel throughout every long journey. The E300e is a strong compromise for a buyer who wants electric daily driving and petrol touring in one car.
How does the E300e drive compared with a BMW 530e?
The Mercedes E300e is the better fit for a buyer prioritising calmness, isolation, cabin technology and effortless progress, while the BMW 530e is the more obvious alternative for a buyer prioritising steering feel and cornering engagement. The choice is about character as much as powertrain.
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|---|---|---|
| Primary character | Luxury-tech cruiser | More driver-focused executive saloon |
| Ride and refinement priority | Quiet, calm and comfort-led | Choose if sharper involvement matters more |
| Handling priority | Relaxed rather than sporty | More obvious choice for steering feel and cornering engagement |
| Best test-drive question | Does the cabin and ride feel sufficiently special? | Does the extra driving involvement outweigh the Mercedes comfort focus? |
The Audi A6 e-hybrid is another relevant alternative, but the useful comparison points are ride comfort, cabin design, luggage space, charging behaviour and market-specific pricing. Exact Audi and BMW equipment, range, body styles and prices should be compared in the buyer’s country and trim level rather than assumed from another market.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How safe is the 2024 Mercedes E-Class?
The 2024 Mercedes-Benz E-Class received five stars from Euro NCAP and was named the overall best-performing car tested in 2024. Euro NCAP’s weighted assessment combined adult occupant protection, child occupant protection, vulnerable-road-user protection and safety-assist performance.
| Euro NCAP category | 2024 E-Class score | Assessment source |
|---|---|---|
| Adult occupant protection | 92% | Euro NCAP assessment, 2024 |
| Child occupant protection | 90% | Euro NCAP assessment, 2024 |
| Vulnerable-road-user protection | 84% | Euro NCAP assessment, 2024 |
| Safety assist | 87% | Euro NCAP assessment, 2024 |
| Overall rating | Five stars | Euro NCAP Best in Class announcement, 2025 |
Euro NCAP awarded the adult occupant, child occupant, vulnerable-road-user and safety-assist scores in its 2024 assessment. In its 2025 announcement of the cars tested during 2024, Euro NCAP named the E-Class the overall best-performing car of that test year.
The result should not be interpreted as proof that every E300e trim includes every available assistance feature. Mercedes-Benz equipment packages and availability vary by configuration, so buyers should verify the safety equipment fitted to the exact car they are considering.
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Is the Mercedes E300e worth it?
The E300e is worth it for a buyer who can charge regularly, drives many daily journeys within roughly 60 electric miles and still needs petrol flexibility for longer trips. The E300e is less worth it for a buyer without dependable charging access, a buyer who needs maximum boot capacity or a buyer who expects agile, entertaining handling.
The ownership calculation has two very different outcomes:
| Ownership pattern | Likely E300e experience | Verdict |
|---|---|---|
| Regular charging at home or work | Many short journeys can use electric power, reducing petrol use | The E300e’s strongest use case |
| Occasional charging | Some electric driving, but inconsistent savings and convenience | Worth calculating carefully |
| Rarely or never charging | The car carries plug-in-hybrid weight and complexity while losing its main efficiency benefit | Usually choose a different powertrain |
Auto Trader’s editorial assessment is direct: “The biggest cost-saving potential for the E300e is, meanwhile, for company drivers.” That observation should not be treated as a universal tax or ownership calculation because company-car rules, electricity prices, petrol prices and incentives vary by country and date. It does reinforce the central point: the E300e’s economics depend on the owner’s charging routine, not simply on the fact that the car is labelled a plug-in hybrid.
There is no single representative real-world mpg figure for every E300e owner. A charged car used for short journeys may consume very little petrol, while an uncharged car used for long motorway journeys will behave differently. The available road-test evidence includes Autocar’s more-than-40mpg result after the battery was depleted, but that result should not be presented as a guaranteed long-term average.
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Strengths
- Useful real-world electric range for a plug-in hybrid, with independent tests recording approximately 56 to 63 electric miles.
- Quiet, smooth and comfortable cruising, particularly on motorways and flowing roads.
- Strong combined performance from 313hp, 550Nm and a 6.4-second 0-62mph time.
- A high-quality, technology-rich cabin with MBUX, optional passenger-screen technology and advanced assistance features.
- An exceptional official safety result: five Euro NCAP stars and the best overall performance among cars tested by Euro NCAP in 2024.
Weaknesses
- The 370-litre saloon boot is substantially smaller than the 540-litre boot in non-PHEV E-Class saloons.
- The four-cylinder petrol engine can sound coarse when the driver demands sudden acceleration.
- Sharp bumps can reach the cabin, and the ride may feel slightly lumpy depending on specification and road surface.
- The comfort-led, heavy-feeling character is less engaging than the sharpest BMW alternative.
- The financial and environmental case depends on frequent charging.
Who should buy the Mercedes E300e?
Buy the Mercedes E300e if you want a luxurious and quiet executive saloon, can charge at home or work, make many daily journeys within roughly 60 electric miles and still need petrol-engine flexibility for longer trips. The E300e makes particular sense when the owner’s routine naturally matches the battery’s useful electric range.
Look elsewhere if you rarely charge, regularly carry bulky or irregular luggage, want the lowest purchase price, prefer a genuinely sporty driving experience or would rather commit to a full EV and accept its charging requirements. The E300e is not a bad compromise; the E300e is a highly accomplished compromise that only works when the buyer’s use case matches it.
What should buyers verify before ordering?
- Check the market specification. The researched technical data is primarily UK/European. Confirm the exact E300e trim, equipment, charging capability, tax treatment and availability in your country.
- Test the electric range against your routine. Use roughly 60-plus miles as a favourable real-world planning assumption, not as a guaranteed number, and allow for winter, motorway speeds and heating.
- Confirm charging access. Work out whether home, work or public charging can keep the battery replenished often enough to make the PHEV system worthwhile.
- Load your real luggage. The 370-litre boot may be adequate for some owners and frustrating for others, particularly with bulky or irregularly shaped items.
- Drive over poor roads. Check the ride on sharp-edged bumps and inspect the exact wheel, tyre and suspension specification rather than assuming every E300e feels the same.
- Review optional equipment. Verify the exact driver-assistance, display, lighting and comfort features included in the chosen configuration.
Evidence limits and market differences
The available research does not establish long-term reliability, battery degradation, multi-year total cost of ownership or US-market E300e pricing and availability. Those subjects require separate, market-specific evidence and should not be inferred from a short road test or UK technical page.
Charging connectors, electrical standards, tax rules, incentives, trim names, equipment packages and prices can differ between the UK, mainland Europe, the United States and other markets. The range, boot and performance figures in this review should therefore be checked against the manufacturer’s local data before purchase.
The Bottom Line
Bottom line: The 2024 Mercedes-Benz E300e is an unusually capable luxury plug-in hybrid: its electric range is genuinely useful, its long-distance petrol flexibility is reassuring and its safety result is outstanding. The decisive question is whether you will charge it often enough to justify its complexity and 370-litre boot.
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