Deleting

P204F error

DEF error

AdBlue error

EGR error

DPF error

For Mercedes Diesel
We have developed a special OBD tool that solves all problems related to the emission control system. No more hassles starting your car in just 3 minutes!
Play Video
Delivery Worldwide just in several days
Find Cheaper Solution, Get Personal discount!
1-year warranty for each OBD module included
24/7 customer support anytime you want

P204F REDUCTANT SYSTEM PERFORMANCE – FAULT CODE MERCEDES

Live Examples Of Errors
What errors usually look like

The P204F fault code, also known as “Reductant System Performance” is a common issue on Mercedes and other vehicles such as Volkswagen, Ford, and BMW. This error occurs when the reductant system, responsible for managing emissions, detects a performance problem. The code can trigger the check engine light and display warnings on the dashboard. Our advanced tool allows you to clear this error without replacing costly components, helping you save time and money while keeping your vehicle running smoothly.

What Does the P204F Code Mean?

The code indicates that the reductant system is not functioning correctly, often due to a fault in the sensors, pump, or valve within the system. Common causes include:

  • A malfunctioning reductant injector or pump.
  • Faulty pressure or temperature sensors.
  • Clogs or damage to the particulate filter.
  • Intermittent signal issues in the system’s electrical components.

This trouble code requires immediate attention to prevent further issues and maintain emissions compliance.

Symptoms of the P204F Trouble Code

When the code is active, your vehicle may exhibit the following symptoms:

  • The check motor light is on.
  • Decreased motor performance or limp mode activation.
  • Increased exhaust emissions.
  • Warning messages or error codes displayed on the dashboard.

If these symptoms appear, it’s crucial to diagnose the root cause and address the issue promptly.

Why Does the P204F Code Occur?

Some troubleshooting reveals that the error often arises due to:

  • Electrical signal interruptions between the sensors and control system.
  • Clogged particulate filter restricting flow.
  • Failed or underperforming components like the injector or pump.
  • Temperature or pressure irregularities detected by the system.

How Our Solution Works

Our tool is designed to clear the trouble code without requiring part replacements. Here’s how it works:

  • Connects to your vehicle’s diagnostic system to reset the fault code.
  • Ensures the reductant system operates within technical rules and specifications.
  • Turns off the check motor light and restores normal system function.
  • Saves time by eliminating the need for lengthy workshop visits or complex repairs.

By using our tool, you can avoid replacing expensive sensors, pumps, or filters while keeping your vehicle on the road.

Benefits of Clearing the P204F Code

Clearing the error code provides the following advantages:

  • Restores optimal motor performance and emissions compliance.
  • Prevents unnecessary downtime and costly repairs.
  • Extends the lifespan of key components like the particulate filter.

When Should You Act?

If you notice the check motor light or experience any symptoms associated with the P204F system performance fault, it’s important to take immediate action. Our tool is available for purchase and can be used to clear the error code and restore functionality without replacing parts. Diagnosing a code can be challenging, but this solution simplifies the process and gets you back on the road quickly.

Order Now

Don’t let the trouble code disrupt your vehicle’s performance. Buy our tool today to clear the error, turn off the check motor light, and ensure your system is functioning correctly. Take control of your vehicle’s diagnostics and drive with confidence!

The trouble code can cause significant concerns for any car owner, as it directly impacts the performance of the vehicle’s emissions system. When a car displays this error, it often means the reductant system is not functioning properly, leading to reduced efficiency and increased exhaust emissions. Ignoring this issue may result in long-term damage to the car’s components, such as the particulate filter. By addressing the error promptly and using a reliable solution, you can ensure your car remains in good working condition without unnecessary expenses or downtime. Out of errors, out of wasting money, out of time losses – thats all you get with our module!

Check Your Dashboard

Have you ever seen such lights?

If yes, then they are most often caused by a problem with P204F error
Also Known As

The most common errors

Exhaust Fluid Reserve!
Refill Exhaust Fluid!
15 Starts Remaining!
Engine Start not possible in *** km (mi)!
Cannot measure fluid level!
ANY QUESTIONS? WE’RE HERE TO PROVIDE answers — JUST ASK!
What is OBD tool
Encode your Mercedes with hand-held module to fix DEF issues forever
We have developed the tool, looks like a simple OBD plug.
It can program ECU with maximum ease for everyone!
Universal solution
No Downtime
Ready To Go!
Easy To Use
Installing our module is as easy as switching on a kettle: just plug it in and wait for the download to finish.
No special knowledge required!
Best Solution
2024
Check out our benefits!
Installation takes just 3 MINS
01
Plug in the tool to the OBD diagnostic
There is a diagnostic connector in every car and access to it is simple and convenient. You simply have to insert our module into this slot.
02
CONFIRM SETTINGS ON THE COMAND SCREEN
The screen will allow you to select one of several scripts. Use the <> buttons to switch between them and the * button to confirm the selection.
03
Wait to be loaded​
After selecting the script, the installation process will start. It takes from a few seconds to 10 minutes depending on the script. Just follow the instructions on the screen.
04
KEEP DRIVING WITHOUT LIMITS
When the installation is complete, remove the module, start the engine and make sure there are no more errors.
EASY SETUP WITH ALL MEDIA SYSTEMS
Watch these video instructions for installing the module and see how easy it is!
Play Video
Play Video

WE OFFER 3 SOLUTIONS

Our module will solve the problem of your vehicle being idle or spending extra money on repairs and finding a qualified mechanic.
Choose the right solution and install it yourself in a few minutes!

SCR ADBLUE / DEF DELETE

SCR total delete – no longer necessary to repair the SCR system and refill the AdBlue fluid

Whats include?
Completely remove Check Engine error
Completely remove 0 Remaining Starts error
Completely remove Starts idle error
Completely remove Check AdBlue error
Ability to roll back to factory settings
Maintains the dealer warranty
Easy pass emissions test ability
SALE!
one-time payment

ADBLUE (DEF) COUNTER RESET

Temporary solution – start the engine and drive to workshop without limitations but the SCR still needs to be repaired

Whats include?
SCR system continues to work
Ability to reset engine starts counter as many times as needed
Absolutely legal
Maintains the dealer warranty
SALE!
one-time payment

What you'll run into without our module

You might not see them coming, but additional issues are often part of the package. It's the heads-up every customer needs.
Dealers delay
Waiting on car parts from a dealer? Brace for delays. Parts often aren't in stock, and delivery dates can shift, leaving you hanging.​ Dozen of surprises.
Wasting money
Repair expenses hit hard. High costs for parts and labor, plus dealer markups, and downtime mean losing more money. It's a major financial issue for truck owners.
Repair downtime
Bracing for repairs? Parts and labor are pricey, and there's always a chance of finding more issues, especially with the exhaust system.
Why better choose package deal
Just a quick heads-up on the headaches our solutions will save you from. Through years of experience, we've nailed down our customers' top issues and crafted the perfect fix for each. A package deal – it's an all-in-one solution.
Exhaust Gas Recirculation or EGR
Soot builds up on the valve, which can interfere with its operation and cause it to fail. Repairs are expensive and difficult. And most often the repair period takes a long time.
AVERAGE COST​
How much you'll save
$2000
+
Selective Catalytic Reduction or SCR
The SCR system consists of a large number of components that can fail. The most expensive breakdown is the DEF level sensor in the tank, as it will require replacing the tank entirely.
AVERAGE COST​
How much you'll save
$3000
+
Swirl Flaps in the Intake Manifold
Also, soot builds up in the intake manifold, which will interfere with the operation of the flaps. In this case, the entire exhaust manifold will have to be replaced, which is very expensive.
AVERAGE COST​
How much you'll save
$3500
+
Diesel Particulate Filter or DPF
Remove the DPF when it is clogged and only if you don't want to buy a new one, because it is very expensive. In that case we could add coding additionally so you can remove the DPF when the time comes.
AVERAGE COST​
How much you'll save
$5000
+
Tons of issues out there, but we've got one solid fix ready to go!
Get some additional features for your solution!
ADDITIONAL OPTION ECU TUNE STAGE 1
We install extra firmware to cut fuel use and save you 10% on gas. Pretty cool, right?
Dyno & Track tested performance results:
Engine: OM651 2,1L. Gain: +30 HP, +44 ft-lb
Engine: OM642 3,0L. Gain: +40HP, +49 ft-lb
ALREADY INCLUDED IN THE PACKAGE DEAL
SEPARATE CODING OF DPF DELETE OPTION
With this coding, you’ll have the option to remove the DPF from the system.
We advise only removing it if it's fully clogged and replacement or removal is required. Removing it early has no real benefit, so it’s best to wait until it’s truly necessary.
$
200
Reviews from our clients
Check out the experiences of clients who have successfully solved their problem with our module.
Swipe left to see more
Pay in any way convenient
for you
You can make payment using any of the options offered. Looking for an alternative?
No problem - just tell us which one
is best for you!
Debit or credit cards
Visa Mastercard payment is possible with any bank card
Apple Pay or Samsung Pay
You can pay in one click using Apple Pay or Samsung Pay
PayPal Payment
Choose PayPal payment and enjoy buyer protection
Bank wire transfer
For companies there is a possibility to pay by bank transfer
We will deliver your package all around the world.
Solve your problem quickly and conveniently, no matter where you are!
Delivery Information
We offer worldwide shipping through our partnerships with EMS Express, FedEx, and DHL Express, ensuring your package is dispatched swiftly and reaches you as quickly as possible.

While we strive for immediate dispatch, please allow an average of 1-3 days from order placement for delivery.
Delivery Terms
FedEx
In average requires 3-7 working days
DHL Express
Deliver the parcel for 3 working days
EMS Express
Typically delivery takes 1-2 weeks
Additional options
Why choose us.
Because we are extremely attentive to each order and offer a range of delivery options.
01
Real time tracking
You can track the location of your parcel at any time using the tracking number that we send to each client.
02
Tax free
Customs will not delay your parcel, because you receive a «scanning tool» worth $50. That's it, no extra taxes!
03
PERSONAL DISCOUNT
We will give you a personal discount if you find an analogue of our module at a price lower than ours!
04
Product replacement
Unforeseen situations do occur, and if something happens to the parcel, we will send a new one at our expense.
05
Reliable packaging
We pack each shipment with high quality, so you don’t have to worry about the safety of the contents.
06
24/7 customer support
We constantly monitor each shipment and can advise on delivery times at any moment.
  • Introducion
  • Common info
  • What Is OBD module
  • How To Install Module
  • Prices
  • Reviews
  • How To Pay
  • Delivery
  • Popular Questions