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 OM642 EGR SYMPTOMS

Live Examples Of Errors
What errors usually look like

OM642 EGR symptoms: what to watch for and what to do next

If you’re looking up om642 egr symptoms, you’re likely seeing a check engine light or feeling a change in how your vehicle drives. The OM642 relies on an exhaust gas recirculation valve to manage combustion temperature and emissions. When that valve can’t move properly, the ECU stores an issue and may reduce engine performance, especially on the road under load.

Typical signs of a faulty EGR valve on OM642

Owners often describe rough idle, hesitation, or a recurring light after short trips. Carbon buildup, oil vapor, or a vacuum leak can cause the valve to stick, and the feedback sensor may report the wrong position. A faulty egr valve can fail in the closed position (restricted flow) or in an open position (too much exhaust recirculation), and both scenarios can trigger valve problems and drivability complaints.

  • Rough idle and uneven response at low RPM, including misfire-like behavior.
  • Check engine light with repeating diagnostics codes even after cleaning.
  • Loss of power, delayed boost, or converter-related complaints when the system can’t regulate flow.

Why the warning can stay on after repair

Even when your egr valve is cleaned or replaced, stored faults can remain in memory. That’s why some owners think the repair “didn’t work,” even though the valve work is complete. If your technician confirms the valve opens and closes correctly, the vacuum lines are sealed, and ignition and air systems are healthy, the remaining step is often clearing history so the dash reflects the current condition.

Our approach: clear stored EGR faults without replacing extra parts

We sell a dedicated reset kit designed to remove stored dashboard errors after the underlying cause is fixed. It’s a practical solution when you need to keep the vehicle in service, avoid repeat shop visits, and reduce downtime. It does not replace the part itself; it complements proper diagnostics and repair by resetting stored fault states that keep the light on.

Practical checklist before you clear codes

To ensure the fix is real (not just hidden), confirm the basics first. If someone says you “should upgrade” tools, it usually means verifying live data and command tests.

  • Verify the valve stuck condition is gone and that the valve opens smoothly under command.
  • Inspect carbon deposits, vacuum hoses, and connectors; check for oil contamination in the intake path.
  • Confirm no related transmission limp behavior is being caused by a separate sensor or wiring fault.

Once the repair is verified, clearing the stored light is the final step that gets you back on the road with confidence.

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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
SALE!
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
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.
Reviews from our clients
Check out the experiences of clients who have successfully solved their problem with our module.
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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 UPS, 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 5-8 business days
DHL Express
Deliver the parcel for 2-4 business days
UPS
Typically delivery takes 2-4 days
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
Your order is declared as a low-value diagnostic tool, ensuring quick clearance and minimal fees.
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.
Still have questions or ready to place the order?
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