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This guide is for general information only. EVcourse is not affiliated with MG or Ionity. Charging speeds and compatibility vary by station, vehicle variant, and conditions. When in doubt, contact MG or Ionity support.

Troubleshooting

MG MG4 Charging at Ionity

Updated March 2026

The MG MG4 is compatible with Ionity chargers. Here is what you need to know about charging speed, connector fit, and how to handle common problems.

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Compatibility Overview

Approximate values. Actual speeds depend on temperature, battery state, and station load.

Connector match
Compatible
Car connector
CCS2
Network connectors
CCS2
Max charging speed
142 kW
10-80% estimate
25 min
Payment
app, contactless, Plug & Charge

Why Your Charging Speed May Differ

The MG MG4 supports up to 142 kW DC charging. Ionity chargers deliver up to 350 kW. Your car's maximum intake is the limiting factor here, capping speed at 142 kW even on a faster charger.

  • Charging slows down above 80% state of charge on most EVs, including the MG MG4.
  • Cold weather reduces charging speed. The MG MG4 supports battery preconditioning, which helps.
  • If multiple cars share the same Ionity station, power may be split between stalls.

MG MG4 Charging Problems

MG MG4 Charger Won't Start? How to Fix It Now

You have plugged in your MG MG4 but nothing is happening. The charger light is blinking, the car is not responding, or you are getting an error message. This is frustrating, but most failed charging sessions have a simple fix. Let's walk through the common causes.

Symptoms

  • Charger display shows an error code or red indicator
  • CCS2 connector clicks in but charging does not begin
  • Car dashboard shows no charging activity after plugging in
  • Charger screen asks for authentication but does not accept your card or app
  • Charging port light on the MG4 flashes or stays amber

What to Do

  1. 1

    Check the charger screen for error messages

    Read any error codes or messages on the charger display. Common messages include 'authentication required,' 'connector error,' or 'out of service.' This tells you whether the problem is the charger or the car.

  2. 2

    Unplug and replug the connector

    Remove the CCS2 or Type 2 connector completely, wait 10 seconds, and plug it back in firmly. Make sure you hear the click and the MG4's charge port light responds.

  3. 3

    Authenticate again

    Re-tap your RFID card, restart the session in the app, or try contactless payment. Some chargers require you to authenticate before plugging in, others after. Try both sequences.

  4. 4

    Disable scheduled charging

    On the MG4's infotainment screen, go to vehicle settings and check if scheduled charging is enabled. Turn it off temporarily to allow immediate charging.

  5. 5

    Lock and unlock the car

    Use the MG4's key fob or the MG iSMART app to lock and then unlock the car. This can reset the charge port communication and clear temporary errors.

  6. 6

    Try a different charger or stall

    If nothing works on this stall, try another one at the same station. If the entire station fails, the problem is likely the charger infrastructure, not your MG4.

MG MG4 Charging Payment Failed? Fix It Quickly

You are at a charger with your MG MG4 and the payment is not going through. Your card gets rejected, the app throws an error, or you cannot figure out how to pay at all. Payment issues are one of the most common reasons a charging session fails to start. Here is how to sort it out.

Symptoms

  • RFID card tap does not register on the charger
  • Charging app shows a payment error or insufficient funds
  • Contactless bank card is declined at the charger terminal
  • Charger asks for payment but you cannot find a method that works
  • Session starts but stops immediately due to payment authorization failure

What to Do

  1. 1

    Check which payment methods the charger accepts

    Look at the charger for logos showing accepted payment types: RFID, app, contactless card, QR code. Many chargers display the logos of compatible networks near the screen or card reader.

  2. 2

    Try the network's app

    Scan the QR code on the charger or search for the network's app in your phone's app store. Many networks let you start a session through their app even without an RFID card.

  3. 3

    Try a different payment method

    If your RFID card fails, try the app. If the app fails, try contactless. If you have a multi-network roaming card (like Plugsurfing or Shell Recharge), try that instead.

  4. 4

    Check your card balance and bank notifications

    Open your banking app to check for declined transactions or pre-authorization holds. Contact your bank if the charger is trying to authorize a large hold that exceeds your available balance.

  5. 5

    Use a roaming service

    If you do not have an account with this specific network, a roaming provider like Plugsurfing, Chargemap, or Shell Recharge may cover this charger. These services work across multiple networks with one card or app.

  6. 6

    Find an alternative charger nearby

    If payment truly will not work, search for another charger nearby. Filter your charging app by your available payment methods to find a compatible station.

MG MG4 Charging Slowly? Causes and Quick Fixes

You plugged in your MG MG4 expecting fast charging, but the kW reading is disappointingly low. This is one of the most common frustrations for MG4 drivers, and it usually has a straightforward explanation. Here is what to check and how to get closer to the 142kW DC maximum your car supports.

Symptoms

  • DC charging power showing well below 142kW on the charger display
  • AC home or destination charging stuck below 11kW
  • Estimated charging time much longer than expected
  • Battery percentage climbing very slowly after 60-70% SOC
  • Charging power drops significantly in cold weather

What to Do

  1. 1

    Check the charger's rated power

    Look at the charger label or app to confirm its maximum output. If it is a 50kW unit, your MG4 cannot charge faster regardless of its 142kW capability.

  2. 2

    Check your battery temperature and SOC

    On the MG4's instrument cluster, check your current state of charge. If you are above 70%, the taper is normal. In cold weather, use the preconditioning feature by setting the charger as your navigation destination.

  3. 3

    Activate preconditioning via navigation

    Set the fast charger as your destination in the MG4's built-in navigation. This triggers battery preconditioning, warming the pack to an optimal temperature before you arrive.

  4. 4

    Try a different CCS2 stall

    If the charger has multiple stalls, power may be shared between them. Try an adjacent stall or wait for other cars to finish. Some charging sites have dedicated high-power stalls.

  5. 5

    Check your AC charging cable

    For AC charging, make sure you are using a cable rated for at least 11kW (3-phase, 16A). A single-phase cable limits you to about 3.6kW regardless of what the charger or car supports.

  6. 6

    Verify no charging limit is set in the car

    In the MG4's settings, check if a charging current limit or maximum SOC limit has been set. A reduced AC charging current setting will cap your speed even on a capable charger.

Common Ionity Issues

Session won't start after contactless payment

You tap your card, the reader beeps, but the charger never begins delivering power. This is one of the most reported issues at Ionity stations.

Symptoms

  • Contactless reader shows a green light but nothing happens
  • Screen says 'Initializing' for more than 60 seconds
  • Card is charged a pre-authorization hold but no energy is delivered
  • Error message appears after the tap but disappears too quickly to read

How to Fix It

  1. 1

    Unplug the cable and wait 10 seconds

    This resets the charger's session state. Plug the cable back in firmly until you hear the locking click.

  2. 2

    Try a different payment method

    Open the Ionity app and start the session from there instead. If you have an Ionity subscription, use the app. App-initiated sessions bypass the contactless reader entirely.

  3. 3

    Check your card's contactless limit

    Some banks block contactless transactions above a certain amount. Ionity may pre-authorize up to 100 EUR. If your bank flags this, the session fails silently.

  4. 4

    Move to another stall at the same station

    Individual charger units can have faulty card readers while the rest of the station works fine. Try the next available stall.

  5. 5

    Check for a pending hold on your bank statement

    If a hold was placed but no session started, it typically releases within 3 to 7 business days. You will not be charged for energy you did not receive.

Plug & Charge pairing fails

Your vehicle supports Plug & Charge (ISO 15118) but the Ionity station does not recognize it. The charger asks for payment instead of starting automatically.

Symptoms

  • Charger prompts for app or card payment instead of starting automatically
  • Screen shows 'Vehicle not recognized'
  • Plug & Charge worked at this station before but stopped working
  • Pairing completed in the Ionity app but the station still asks for payment

How to Fix It

  1. 1

    Verify Plug & Charge is enabled in your vehicle settings

    Some vehicles (like Porsche Taycan, BMW iX, Mercedes EQS) have a toggle in the infotainment system. If it was turned off during a software update, the charger cannot identify your car.

  2. 2

    Re-pair your vehicle in the Ionity app

    Go to the Ionity app, navigate to Plug & Charge settings, remove the existing pairing, and set it up again. This refreshes the digital certificate.

  3. 3

    Check that your Ionity subscription is active

    Plug & Charge on Ionity requires an active subscription. If your subscription lapsed, the auto-start will fail even if the pairing is intact.

  4. 4

    Try unplugging and re-plugging slowly

    The ISO 15118 handshake happens in the first few seconds. If you plug in too quickly or the connector is not fully seated, the handshake times out and the charger falls back to manual payment.

  5. 5

    Start the session via the app as a fallback

    Plug & Charge issues are often caused by backend certificate mismatches. You can still charge at Ionity subscription rates by starting the session through the app while the issue is resolved.

Charger screen frozen or unresponsive

The charger display is stuck on a loading screen, shows garbled text, or does not respond to touch. The hardware may still work even if the screen does not.

Symptoms

  • Screen shows a logo or loading animation that never progresses
  • Touch inputs on the screen do nothing
  • Screen is completely black but the charger lights are on
  • Screen shows an error code that does not clear

How to Fix It

  1. 1

    Try plugging in and starting via the app

    The screen and the charging hardware are separate systems. Many Ionity chargers will still deliver power even with a frozen display if you initiate the session through the Ionity app.

  2. 2

    Unplug completely and wait 30 seconds

    Sometimes unplugging triggers a soft reset of the charger unit. Wait, then try again.

  3. 3

    Try a different stall

    Ionity stations typically have multiple charger units. A frozen screen on one unit does not affect the others.

  4. 4

    Report the charger in the Ionity app

    Open the Ionity app, find the station, and report the specific charger as out of order. This helps Ionity dispatch maintenance faster.

App shows station available but charger is faulted

The Ionity app shows green (available) status for a station, but when you arrive, the chargers display errors or are physically out of service.

Symptoms

  • App shows 'Available' but charger displays 'Out of Order'
  • All stalls at the station are faulted despite the app showing availability
  • Charger has a maintenance sticker or barrier but the app has not been updated
  • You drove to a station specifically because the app said it was free

How to Fix It

  1. 1

    Refresh the station status in the app

    Pull down to refresh the station view. Status updates can lag by several minutes, especially after a charger was recently reported or rebooted.

  2. 2

    Check individual charger status, not just the station

    Tap into the station details in the Ionity app. Even if some stalls show faulted, others at the same station may still work.

  3. 3

    Try plugging in anyway

    Occasionally a charger shows a stale error on its screen from a previous session but works fine for the next user. Plug in and attempt to start via the app.

  4. 4

    Plan a backup station

    Before driving to an Ionity station, check if there is an alternative station within 10 to 15 minutes. Ionity stations along highways sometimes have another Ionity or competitor station at the next exit.

  5. 5

    Report the discrepancy

    Use the 'Report a problem' option in the Ionity app. Accurate reports help Ionity fix status sync issues and prioritize maintenance.

Unexpectedly high ad-hoc price

You charged without an Ionity subscription subscription and the per-kWh price is significantly higher than you expected. Ionity's ad-hoc rate is one of the most expensive in Europe.

Symptoms

  • Invoice shows 0.75 EUR/kWh or higher
  • Total cost for a short session is much higher than expected
  • Price displayed on the charger screen was not noticed before starting
  • You assumed the price would be similar to home charging or other networks

How to Fix It

  1. 1

    Check if Ionity subscription would save you money

    Ionity offers subscription plans that reduce the per-kWh price significantly. Check the Ionity app for current plans and rates. If you charge at Ionity more than once or twice a month, a subscription usually pays for itself.

  2. 2

    Check your vehicle manufacturer's charging plan

    Many EV manufacturers (Hyundai, Kia, BMW, Mercedes, Volkswagen Group, Ford) offer bundled Ionity pricing through their own apps. You may already have access to a discounted rate through your car brand.

  3. 3

    Look at the charger screen before starting next time

    Ionity displays the per-kWh price on the charger screen before the session starts. The ad-hoc price is always shown.

  4. 4

    Consider roaming providers for occasional use

    If you do not want a subscription, some roaming apps (like Shell Recharge, Chargemap, or Maingau) offer lower Ionity rates than the ad-hoc price.

Charging speed much lower than 350 kW

The station advertises 350 kW but your vehicle is charging at a fraction of that speed. This can be normal or it can indicate a problem.

Symptoms

  • Dashboard shows 50 to 100 kW at a 350 kW charger
  • Charging started fast but dropped sharply after a few minutes
  • Other vehicles at the same station seem to charge faster
  • Speed is lower than what you normally get at Ionity

How to Fix It

  1. 1

    Check your battery level

    Charging speed drops significantly above 60 to 80% state of charge on most vehicles. This is normal battery behavior, not an Ionity issue. For the fastest stop, charge from 10 to 80% and move on.

  2. 2

    Check the battery temperature

    Cold batteries charge slowly. If your vehicle supports battery preconditioning, set the Ionity station as your navigation destination. The car will warm the battery on the way there.

  3. 3

    Verify your vehicle's max DC charging speed

    Not all EVs can accept 350 kW. Many popular models top out at 100 to 150 kW. The charger delivers only what the vehicle requests.

  4. 4

    Try a different stall

    Individual charger units can occasionally have hardware limitations or faults that reduce output. Moving to another stall at the same station can sometimes restore full speed.

  5. 5

    Check for power sharing

    Some Ionity stations share power between adjacent stalls. If the neighboring stall is also in use, both vehicles may receive reduced power. Try a stall that is not next to another active session.

Ionity App Tips

  • Download the Ionity app before your trip. You need an account to start sessions at stations where contactless payment is not available or not working.
  • Enable push notifications in the Ionity app. You will get alerts when your session ends or if charging stops unexpectedly.
  • Use the Ionity app's filter to show only stations along your route. The app integrates with Apple Maps and Google Maps for navigation.
  • Check real-time stall availability in the app before driving to a station. Tap the station pin to see which individual chargers are free, occupied, or faulted.
  • If you have an Ionity subscription, always start sessions through the app to make sure you get the subscription rate. Contactless payment defaults to the ad-hoc price.

Payment Tips

  • Ionity offers subscription plans that significantly reduce the per-kWh price compared to the ad-hoc rate. Check the Ionity app for current plans and pricing. Worth it if you use Ionity twice a month or more.
  • Contactless payment pre-authorizes up to 100 EUR on your card. The actual charge appears later and the hold is released within a few days.
  • Check if your car brand offers an Ionity deal. Hyundai, Kia, BMW, Mercedes, VW Group brands, and Ford all have discounted Ionity access through their own charging apps.
  • Ad-hoc (pay-as-you-go) rates at Ionity are among the highest in Europe. If you do not want a subscription, roaming through Shell Recharge or Chargemap is usually cheaper than paying ad-hoc.
  • Ionity invoices are available in the app under your account. You can download PDF receipts for expense reports.

Frequently Asked Questions

Can the MG MG4 charge at Ionity?
Yes. The MG MG4 uses a CCS2 connector, which is supported by Ionity chargers. Maximum charging speed will be up to 142 kW.
How long does it take to charge a MG MG4 at Ionity?
Charging a MG MG4 from 10% to 80% at Ionity takes approximately 25 minutes at up to 142 kW. Actual times vary depending on temperature, battery condition, and station load.
How do you pay at Ionity?
Ionity accepts app, contactless, Plug & Charge. Check the Ionity app or website for current pricing and subscription options.

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