“Brilliant service, my car is running better than ever with no pesky adblue issues. Would highly recommend”
Turtle
Seeing a restart countdown warning or an AdBlue system fault on your Mercedes A Class dashboard can be stressful. AdBlue Solutions offers a specialist, mobile software solution to resolve these issues at your home or workplace. For a free, no obligation quote, provide us with your vehicle registration and postcode.
We come to your home, workplace or another agreed safe location, subject to availability.
Is this on your dashboard?
A mobile appointment that fits around your day, with a vehicle suitability check and a quotation before you book.

Experienced technicians providing dedicated AdBlue software services for diesel cars and vans.
We come directly to your home or workplace at an agreed time that suits you.
Convenient mobile appointments throughout the week, subject to availability.
Dedicated AdBlue software services, with your vehicle checked before booking.
Confidence in our work, backed by our lifetime AdBlue software warranty.
If we cannot successfully complete the agreed service, our No Fix, No Fee policy applies.
From helpful advice to professional automotive services, genuine customer feedback says more than any sales pitch. Take a look at the experiences shared by customers and see why so many drivers put their trust in experienced automotive specialists.
Common AdBlue warnings
This is the most urgent warning, indicating the vehicle will be immobilised once the countdown reaches zero. It is often triggered by a detected fault within the SCR system, not necessarily a low fluid level.
A generic message accompanied by the engine management light, pointing to a malfunction somewhere in the AdBlue system. This could be related to the pump, injector, tank heater, or a sensor.
The AdBlue warning persists even after you have topped up the tank, often with a message like an AdBlue warning referring you to the handbook. This suggests the system has not reset, which can be due to a faulty sensor or a locked out ECU.
Your A Class has NOx sensors to monitor emissions, and their failure is a common cause of AdBlue system warnings. A diagnostic check is needed to pinpoint the source, as the warning itself doesn't confirm the sensor has failed.
To prevent further emissions system damage, the vehicle's ECU may restrict engine power, known as limp mode. This is a clear sign of a significant fault that requires professional attention.
The amber EML can illuminate for many reasons, with AdBlue system faults being a frequent culprit on modern diesel models. We can perform diagnostics to read the specific fault codes stored in the ECU.
AdBlue Delete & Removal
Our process begins with a full diagnostic scan to identify the specific fault codes causing your A Class's AdBlue warnings. We then perform a specialist AdBlue Delete by reprogramming the engine control unit (ECU) with our custom software, which tells the system to bypass the AdBlue components. Please note, some newer A Class models feature protected ECUs that may require unlocking at an additional cost, which is always confirmed before we start. This is a mobile service performed at your location, and we can also provide optional performance or economy remaps subject to suitability.
Vehicle suitability
Does my Mercedes A Class have AdBlue? While AdBlue is common on many modern diesels, not every A Class is equipped with it. Fitment is dependent on the specific engine, model year, and original emissions specification. For your Mercedes A Class, we check the registration, engine, build specification and ECU details rather than assuming fitment or service support from its age or badge. The only certain way to know is to let us check your vehicle's registration, which we do before providing any quote.
Found a fault code during a diagnostic scan? Enter it below to understand what it could mean, what warning signs to look out for and what information our mobile AdBlue specialists need to help you.
From AdBlue pressure faults to NOx sensor warnings and SCR system problems, explore common diagnostic codes in simple English.
These are shared diagnostic codes, not confirmed faults for every Mercedes-Benz A-Class. Applicability depends on your vehicle and scan results.
8 common codes
Fault name
What it means
The system has reported insufficient reductant pressure. Diagnostic checks help establish the cause, rather than assuming a failed pump.
VIEW FAULT DETAILSFault name
What it means
SCR NOx reduction efficiency has been reported below its expected threshold. The full scan and sensor readings help identify possible causes.
VIEW FAULT DETAILSFault name
What it means
The code concerns SCR operation or monitoring. Read it alongside the full scan and vehicle-specific information.
VIEW FAULT DETAILSFault name
What it means
The code concerns a NOx sensor circuit or signal. It does not alone confirm which part needs attention.
VIEW FAULT DETAILSFault name
What it means
The code concerns a NOx sensor circuit or signal. It does not alone confirm which part needs attention.
VIEW FAULT DETAILSFault name
What it means
The code concerns a dosing or aftertreatment injector. Check the fitted system and full scan before assuming a cause.
VIEW FAULT DETAILSFault name
What it means
The system reports that the reductant level is too low. Check the actual fluid level and whether the reported level is accurate.
VIEW FAULT DETAILSFault name
What it means
The system has reported reductant quality performance. The code alone does not identify the cause.
VIEW FAULT DETAILSSend us your registration, postcode and diagnostic fault code. We'll check the details and explain the available mobile service options.
We cover much of Southern England and other supported areas across England. Enter your postcode, or browse our areas.
Tell us the registration, your postcode and what the dashboard shows.
We confirm suitability for your model and agree a quotation before any work.
Choose a time and a safe place to work, at home or at work, subject to availability.
The agreed software work is carried out at your location and checked before we leave.
Yes, our AdBlue delete service is designed to resolve these countdown warnings. The software solution deactivates the system that would otherwise immobilise the vehicle.
This usually indicates a fault with a system component, like a sensor, has been detected. The ECU will not clear the warning until the fault is addressed, which our software solution achieves.
Many manufacturers, including Mercedes, introduced enhanced ECU protection on newer vehicles. This requires a specialist process to unlock the ECU before it can be reprogrammed, which may carry an extra cost we confirm upfront.
The easiest way is to ask us. Provide your vehicle registration and we can check its specification for you, confirming compatibility before any booking is made.
These refer to components of the Selective Catalytic Reduction (SCR) system, which uses AdBlue to reduce Nitrogen Oxide (NOx) emissions. A fault in this system triggers the dashboard warnings you are seeing.
The standard mobile service typically takes between 1 to 2 hours at your home or work. If ECU unlocking is required, the process may take longer, but we will advise on this beforehand.
Our mobile team covers London, much of Southern England and additional supported locations. Send us your postcode to confirm availability. Your postcode will confirm our availability.
The price depends on your A Class's specific model year, engine, and ECU type. Please provide your registration and postcode for an accurate, no obligation quote.
They are two terms for the exact same service. Both refer to the software modification we perform on the ECU to disable the AdBlue system, not the physical removal of parts.
We provide a lifetime software warranty on all eligible work, subject to our terms and conditions. We also operate on a No Fix No Fee basis for your peace of mind.
Yes. Our standard hours are Monday to Sunday, 8 AM to 8 PM. Emergency callouts are available 24 hours a day, 7 days a week, subject to location and availability. An additional emergency callout charge applies and is confirmed before dispatch.
Enter your registration, postcode and mobile number. We'll check your vehicle and reply with a quotation. You can add a photo of your dashboard warning in the WhatsApp chat.
Call or WhatsApp with the warning, miles remaining and where the vehicle is. Emergency callouts carry an additional charge, confirmed before dispatch.
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