Deleting

DPF error

AdBlue error

DEF error

EGR error

For Mercedes Diesel
We have developed a special OBD module that solves all problems related to the emission control system. No more hassles starting your car in just 3 minutes!
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

MERCEDES OM651 NOX SENSOR

Live Examples Of Errors
What errors usually look like

A persistent dashboard warning can quickly turn normal use into downtime and extra expense. On this page, we focus on om651 nox sensor cases and explain how our handheld solution helps clear a stored warning on the dashboard so the original hardware can stay in place while the Mercedes-Benz Sprinter remains usable.

When this fault becomes the main problem

Our company offers one direct solution for Mercedes-Benz Sprinter applications where the Nitrogen Oxide NOx sensor path keeps the warning active. In practical use, the owner may see a check engine light, a stored sensor issue, or repeated limitation after restart. The goal is simple: remove the active restriction and keep the vehicle in service without immediate sensor replacement.

This page stays narrow by design. It is written for the OM651 model family and for one topic only: the stored NOx warning path. We do not turn this page into a catalog of unrelated items. We provide one focused electronic solution when the dashboard fault remains active and returns over and over. In many cases, the first NOx warning is followed by a second NOx warning after restart.

How owners usually describe the issue

Search language varies, but the intent is the same. Owners may search for upstream NOx sensor, sensor Mercedes, sensor Sprinter, sensor replacement, sensor problem, or general NOx fault terms when the warning does not clear. Some searches also mention a temperature sensor because owners are trying to understand which stored reading is tied to the same fault path. On this page, the content remains limited to the OM651 NOx sensor topic only.

In many Mercedes cases, the same NOx warning can stay active even after one sensor was checked and another sensor was compared. That is why we review sensor data, sensor status, and sensor history before matching the setup. We also separate the NOx path from unrelated parts, because repeated parts changes do not always remove the stored restriction. A repeated NOx message on the cluster usually points to the same stored path, not to a new issue.

  • Used for Mercedes-Benz Sprinter NOx warning cases
  • Relevant when the same dashboard fault returns after restart
  • Designed for owners who want to avoid immediate hardware replacement

What our solution does

The tool connects through OBD and applies the required script to clear the stored dashboard restriction. It does not require immediate replacement of the original sensor. That matters when the vehicle still needs to work and the owner wants a direct answer instead of repeated trial-and-error steps. For many cases, that is the fastest way to restore normal use while keeping the original NOx hardware installed.

We keep this content technical and specific. Our company offers one practical path for Mercedes OM651 applications only. We do not use this page for unrelated sensors, mixed categories, or broad workshop topics outside the NOx warning itself. In practice, Mercedes owners often want to avoid ordering extra parts, swapping good parts, or testing used parts before the real NOx fault is cleared.

Before ordering

To prepare the correct setup, we may ask for the exact model year and the dashboard text. That helps us confirm the correct NOx path and separate one stored sensor issue from another. For many owners, this is the most practical way to deal with a recurring NOx warning on a Mercedes Sprinter without stopping the vehicle for unnecessary downtime.

We may also ask whether the warning followed earlier parts work, whether the same sensor message returned after restart, and whether the owner saw one NOx message or several NOx messages in sequence. This additional review helps Mercedes fitment matching and keeps the solution tied to the exact sensor path you need addressed.

  • No bundled accessories or unrelated products
  • One focused solution for a stored OM651 NOx sensor dashboard fault
Check Your Dashboard

Have you ever seen such lights?

If so, it's likely due to an AdBlue EGR, DPF, EKAS- related problems
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 module
Encode your Sprinter with hand-held module to fix DEF issues forever
We have developed the module, 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
2026
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!

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
$
699
one-time payment
Off-road use only - about usage

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
$
459
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.
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.
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is best for you!
We will deliver your package all around the world
Resolve your issue easily and fast, no matter your location!
Delivery Information
We offer worldwide shipping through our partnerships with FedEx and DHL Express, ensuring your package is dispatched swiftly and reaches you as quickly as possible.

We ship orders as quickly as possible. Most orders are dispatched the next business day, usually in the morning.
Delivery Terms
FedEx Standard
In average requires 5-10 days
FedEx Priority
Deliver the parcel for 3-5 days
DHL Express
Typically delivery takes 3-5 days
Additional options
Why choose us
Because we are extremely attentive to each order and offer a range of delivery options.
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