Mercedes GLA 250e Charging Guide: Home Charging, Public Charging and Cable Selection

The Mercedes GLA 250e is a compact SUV plug-in hybrid, not a fully electric vehicle. It combines a petrol engine with an electric motor and a rechargeable high-voltage battery, giving drivers the flexibility of short electric journeys with petrol backup for longer trips. In day-to-day UK use, many owners will get the best from the car by charging little and often at home, at work or on public AC charge points.

One important point with the GLA 250e is that charging specifications have changed over the model’s life. Earlier UK cars, current UK brochure information and current European technical data do not all show the same AC charging figures. That means cable choice should be based on the exact vehicle, model year and build where possible, especially if you are buying for a used car.

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Mercedes GLA 250e Battery and Charging Specifications

The UK-market Mercedes GLA 250e has been sold as an H247-generation plug-in hybrid since around 2020 and remains part of the current GLA range. Mercedes-Benz also writes the model name as GLA 250 e in official material.

For AC charging, the relevant connector is Type 2. This is the standard connector used by UK home wallboxes and most untethered public AC charging posts. Where DC rapid charging is fitted, the car uses a CCS Combo 2 connection. DC rapid charging is relatively unusual for a plug-in hybrid, so it is a useful feature on suitable cars, but it should not be assumed on every used example without checking the specification.

Current UK material points to an electric-only WLTP EAER figure of around 43 to 45 miles for the latest GLA 250e, with DC charging at up to 22 kW and a 10% to 80% rapid charge time of about 28 minutes. Earlier UK literature for pre-facelift cars showed lower electric range figures and different charging data, so it is worth treating the figures as version-specific rather than universal.

Battery Options

Earlier UK GLA 250e models, from roughly the 2020 to 2022 period, were listed with a lithium-ion battery of 15.6 kWh gross capacity and 10.6 kWh usable capacity. UK brochure data from that period quoted a WLTP equivalent all-electric range of around 35 to 39 miles, depending on specification and test conditions.

For the facelift/current car, the exact gross battery capacity was not clearly confirmed in the UK data used for this guide. Mercedes-Benz Germany currently lists usable battery energy content of 13 kWh, while current UK brochure material indicates a WLTP EAER of around 43 to 45 miles. This improvement makes the later car more useful for electric commuting, school runs and local journeys, provided it is charged regularly.

If you are buying a charging cable for a used GLA 250e, do not rely only on the registration year. Check the handbook, infotainment charging screen, Mercedes me information, VIN/build sheet or dealer documentation to confirm the charging equipment fitted to that specific vehicle.

AC Charging Speed

AC charging is the main way most GLA 250e owners will charge. This covers home wallboxes, workplace chargers and many public destination chargers in car parks, supermarkets, hotels and town centres.

The safest headline advice is that the Mercedes GLA 250e uses a Type 2 cable for AC charging, but the maximum charging speed depends on the onboard charger fitted to the vehicle and the power available from the charge point. The car will not charge faster simply because it is connected to a higher-powered AC post or a higher-rated cable.

Earlier UK cars have commonly been quoted with AC charging up to 7.4 kW, with Mercedes-Benz UK launch information also referencing charging times around 1 hour 45 minutes for a substantial AC charge. Current UK brochure snippets indicate an 11 kW AC onboard charger and around 2 hours for 0% to 100% on suitable Mode 3 AC equipment, while also suggesting a slower time of around 4 hours 30 minutes on a typical UK single-phase wallbox. Current Mercedes-Benz Germany data lists a different AC maximum, so AC charging capability should be checked against the exact UK vehicle build.

In practical cable terms, a Type 2 to Type 2 cable is the right public/wallbox cable. A higher-rated Type 2 cable can be safe to use because the vehicle and charge point control the charging session, but it will not force the GLA 250e to charge above its onboard AC limit. If your car has 11 kW three-phase AC capability and you regularly use three-phase public AC posts, a three-phase cable is the more suitable choice. If your car is an earlier single-phase version, a suitable single-phase Type 2 cable may be sufficient, but many owners still choose a three-phase cable for wider future compatibility.

DC Rapid Charging Speed

The GLA 250e is notable because some versions have been offered with DC rapid charging, something many plug-in hybrids do not provide. Current UK material lists up to 22 kW DC charging and a 10% to 80% charge time of around 28 minutes. Earlier Mercedes-Benz UK launch information referred to DC charging up to 24 kW, so again the exact figure depends on the car.

DC charging uses the CCS Combo 2 connector, and public DC rapid chargers have tethered cables attached to the unit. You do not need to carry your own DC charging cable. If your GLA 250e has CCS rapid charging, it can be useful on longer days when you want to restore electric range quickly during a stop. However, because this is a plug-in hybrid with a relatively small battery compared with a full battery-electric car, routine charging is usually more convenient and cost-effective on AC at home, work or destination chargers.

Range and Efficiency

The latest UK GLA 250e is listed with an electric-only WLTP EAER of around 43 to 45 miles. Earlier UK cars were closer to 35 to 39 miles on the same type of official range basis. Real-world electric range will vary with temperature, speed, driving style, terrain, tyre choice, cabin heating or cooling use and how much of the journey is at motorway speed.

For many UK drivers, the GLA 250e’s battery capacity is most useful when it is treated as a daily electric range buffer. If you can charge overnight and your commute or local driving fits within the electric range, you may be able to do a large proportion of short journeys using electric power. On longer journeys, the petrol engine provides the flexibility expected from a plug-in hybrid.

Charging at Home

A dedicated home wallbox is usually the most convenient home charging method. It is neater, safer and faster than relying on a domestic socket, and it can often be scheduled to take advantage of cheaper off-peak electricity tariffs where available. For an untethered wallbox, you will use a Type 2 to Type 2 charging cable. For a tethered Type 2 wallbox, the cable is already attached.

Most UK homes have single-phase electricity, so even if a current GLA 250e is capable of a higher AC rate on three-phase equipment, home charging may still be limited by the home installation and wallbox output. That is normal and does not indicate a fault.

A 3-pin EV charging cable is generally best suited as a backup or occasional charging solution, but can be used regularly if a qualified electrician has confirmed the socket and electrical installation are suitable for sustained EV charging. Avoid using an extension lead with a domestic EV charging cable; Mercedes-Benz UK also advises against this approach. If you plan to charge at home regularly, a properly installed wallbox is the better long-term solution.

Public Charging

For public AC charging, carry a Type 2 cable. Many public AC charge points in the UK are untethered, so you plug your own cable into the post and into the vehicle. Public AC charging is useful while shopping, working, parking in town or staying at hotels, because the car can recharge during time you were already going to spend parked.

Some public AC charge points advertise 22 kW, but this does not mean every GLA 250e will charge at 22 kW. The onboard charger, phase capability and vehicle specification are the limiting factors. A 22 kW post can still be useful, but the car will draw only what it can accept.

For DC rapid charging, use CCS only if your car is fitted with the relevant DC charging capability. The cable is attached to the charger, and payment is usually via app, contactless card or charging network account depending on the operator.

Vehicle-Specific Features

The most important vehicle-specific point is that the Mercedes GLA 250e is a petrol plug-in hybrid. It is not a battery-electric GLA and should not be treated like a pure EV with a large traction battery. Its charging needs are therefore different: short, frequent AC charging sessions are usually more relevant than long rapid-charging stops.

The second key feature is specification variation. Earlier cars, facelift/current UK cars and European-market data show differences in battery and AC charging information. If you are choosing between a 7.4 kW single-phase cable and a three-phase cable, or trying to understand whether DC charging is fitted, confirm the specification of the exact vehicle rather than relying on generic model information.

Charging Tips

Use a Type 2 to Type 2 cable for untethered home, workplace and public AC charging.
Check your exact model year and build sheet before assuming a particular AC charging speed.
Remember that a higher-rated cable will not make the car exceed its onboard charger limit.
Use a dedicated home wallbox where possible for regular charging.
Keep the battery topped up if you want to maximise electric driving on short journeys.
Use DC rapid charging mainly when it genuinely saves time, rather than as the default charging method.
Do not use extension leads with domestic EV charging equipment.

Frequently Asked Questions

Is the Mercedes GLA 250e a fully electric car?

No. It is a petrol plug-in hybrid compact SUV. It can drive on electric power for shorter journeys when charged, but it also has a petrol engine.

What charging cable does the Mercedes GLA 250e use?

For AC charging, it uses a Type 2 connection, so a Type 2 to Type 2 cable is the relevant cable for most UK wallboxes and untethered public chargers.

Does every Mercedes GLA 250e have DC rapid charging?

Not necessarily. DC rapid charging has been offered on the GLA 250e, and current UK information lists CCS DC charging, but you should confirm the exact specification of the vehicle, particularly when buying used.

Will a 22 kW Type 2 cable make the GLA 250e charge at 22 kW?

No. The cable rating is only one part of the charging setup. The car’s onboard charger and the charge point determine the actual AC charging rate.

How long does the GLA 250e take to charge?

It depends on model year, onboard charger, charge point and starting battery level. Current UK material suggests around 2 hours on suitable Mode 3 AC equipment and around 28 minutes from 10% to 80% on 22 kW DC, while other versions have different AC figures. Check the exact vehicle specification for the most accurate estimate.

What This Means for Drivers

The Mercedes GLA 250e works best when its plug-in hybrid battery is used deliberately. If you charge regularly, it can cover many local journeys on electric power while still offering petrol flexibility for longer trips. For most owners, the key accessory is a suitable Type 2 cable for home, workplace and public AC charging.

Because charging specifications vary across the model’s life, cable buying should be matched to the exact car. If in doubt, a correctly specified higher-rated Type 2 cable may offer useful compatibility, but it will not override the vehicle’s charging limits. Checking the VIN/build sheet is the best way to avoid buying based on the wrong charging assumptions.

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We offer Mercedes GLA 250e charging cables for UK home and public AC charging, including Type 2 options suitable for different charging setups.