“Friendly and efficient service, sorted out my adblue issue and did a stage 1 remap on my range rover. Would use again”
Dec Halford
3 Oct 2026
AdBlue Services
Tuning & Additional Services
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Seeing an AdBlue system warning or a non start countdown on your Mercedes E Class dashboard? These faults can stop your car from starting, even with a full AdBlue tank. We offer a mobile, software only AdBlue delete solution at your home or workplace. To get a quote, simply provide your vehicle registration and postcode.
24/7 Emergency Callouts Available
Emergency Mobile AdBlue Assistance. Additional emergency callout charge applies. Subject to availability.
01Common AdBlue warnings
This is the most critical warning, indicating the engine will be prevented from starting after the countdown expires. This is triggered by the ECU detecting a serious fault within the SCR system.
A persistent engine management or emissions light is a common sign of an AdBlue system issue. The underlying cause could range from a sensor failure to a module fault.
Your E Class may enter a reduced power mode to protect the engine and emissions system when a fault is detected. This is often accompanied by other AdBlue related warnings on the dash display.
A generic malfunction message indicates the vehicle's onboard diagnostics have logged a fault. This could be due to a faulty NOx sensor, pump, injector or control module.
Mercedes often displays messages like an AdBlue system warning or 'an AdBlue warning referring you to the handbook' when a system error occurs. This is not a low level warning and points to a component failure.
Diagnostic trouble codes related to the SCR (Selective Catalytic Reduction) system or NOx sensors confirm a problem. These codes point our technicians towards the source of the system failure.
02Our service
Our service begins with a full diagnostic scan to confirm the AdBlue system is at fault. We then perform an AdBlue Delete, also known as AdBlue Removal, by reprogramming the engine control unit (ECU). This software modification deactivates the entire SCR system, resolving the dashboard warnings and countdown timers. Some newer, protected ECUs require a special unlocking procedure, which is an additional cost confirmed before we start any work. We can also provide optional Economy or Performance remaps, and DPF or EGR software solutions if suitable, all performed conveniently at your home or work location.
03Why choose Fix My AdBlue
From booking to completion, our experienced mobile technicians make the process straightforward.
We confirm your vehicle, location, service and appointment.
On the day, your technician calls with an estimated arrival time.
We connect diagnostic equipment, check the vehicle and identify relevant faults.
We read the original ECU software, prepare the AdBlue modification and apply it.
Final diagnostics, applicable fault-code resets and checks to confirm the agreed work is complete.
We take payment, provide a receipt and explain the applicable software warranty.
04Vehicle compatibility
Does my Mercedes E-Class have AdBlue? It depends on the specific engine, model year, and emissions standard of your vehicle. For your Mercedes E 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 confirm compatibility is for us to check your vehicle's details. Provide us with your registration and we will verify the exact system your E-Class uses before booking.
Whether it's an AdBlue warning, a fault that keeps returning or a restart countdown, we can check your Mercedes-Benz E-Class's compatibility and help you arrange the right service. Our mobile technicians come to your home or workplace.
Optional extras
While arranging your mobile AdBlue appointment, you can also ask about economy or performance remapping and our additional DPF and EGR software services for your Mercedes-Benz E-Class. We'll confirm which options are available for your vehicle.
Customer questions
Still unsure? Send us your registration and a photo of the warning on WhatsApp.
Ask on WhatsAppThis usually means there is a fault with a system component like the level sensor, pump, injector, or control module. The system has detected a problem beyond just a low fluid level, which a simple top up will not fix.
The engine management system will prevent the car from starting once the countdown expires. This is a built in manufacturer feature linked to emissions compliance which our software solution resolves.
Many newer Mercedes models are fitted with ECUs that have enhanced security protection. These require a specialist 'unlocking' procedure before they can be reprogrammed, which carries an additional cost that we confirm with you upfront.
The best way is to provide us with your vehicle's registration. We use this to check the exact engine, ECU type, and emissions system fitted to your car, allowing us to confirm compatibility before you book.
This indicates a fault with the Selective Catalytic Reduction (SCR) system, which uses AdBlue to reduce NOx emissions. The fault is often caused by a failed NOx sensor, but can also be the pump, heater, or control module.
Yes, our service is a software solution designed to resolve system faults common on working vehicles. It provides a reliable alternative to potentially recurring and expensive hardware repairs, minimising vehicle downtime.
The process, including diagnostics, typically takes between 1 to 2 hours. If your vehicle's ECU requires unlocking, it may take slightly longer, but we will advise you of the estimated time.
We are based in Slough and our mobile service covers a wide area including Heathrow, London, the South East and into wider England. Provide your postcode and we can confirm our availability.
The price depends on your vehicle's specific ECU, year, and location. For an accurate, no obligation quote, please provide us with your registration and postcode.
No, they are simply two different names for the exact same service. It involves reprogramming the engine's software to electronically disable the AdBlue system.
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.
Send us your registration and postcode. We'll check your vehicle, explain the service, confirm your quote and arrange an appointment. Straightforward from start to finish.
Related
These are shared codes found on many diesel vehicles, not faults confirmed for every Mercedes-Benz E-Class. Whether a code applies depends on your vehicle and its diagnostic results.
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Enter your registration, postcode and mobile. We save your request and open WhatsApp with your details already typed, just press send. Add a photo of your dashboard warning in the chat.
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