Description
Mercedes CPC 3 Control Unit MP4 repair
CV Electronics The UK’s Premier Commercial Vehicle Electronics Remanufacturer
–Phone us on 01246 925500–
A common Euro 6 ECU to fail is the Mercedes CPC 3 fitted to Mercedes MP4 Actros, Arocs, Antos, Atego, EvoBus, Citaro, Econic, Unimog, Setra and Tourismo.
Frequently on back order with Mercedes and approx. £3200.00 After extensive investment and much R&D CV Electronics can successfully remanufacture your Mercedes CPC 3 unit, in as little as 1 day your truck can be back on the road for £1195.00 with a 2-year warranty.
Some of the most frequently used parts are numbers:
CPC3, CPC-3, CPC 3,
0034462802, 0034466302, 0034466502, 0034467202, 0034466002, 0034466102, 0034466402, 0034466602, 0034467302, 0034467002, 0034467402, 0034467602, 0034467702, 0034463002, 0034467102, 0034467502, 0034462902, 0034463102, 0044465802, 0044467702, 0044467602, 0044468402, 0044468602, A 003 446 28 02, A 003 446 63 02, A 003 446 65 02, A 003 446 72 02, A 003 446 60 02, A 003 446 61 02, A 003 446 64 02, A 003 446 66 02, A 003 446 73 02, A 003 446 70 02, A 003 446 74 02, A 003 446 76 02, A 003 446 77 02, A 003 446 30 02, A 003 446 71 02, A 003 446 75 02, A 003 446 29 02, A 003 446 31 02, A 004 446 58 02, A 004 446 77 02, A 004 446 76 02, A 004 446 84 02, A 004 446 86 02, A 003 446 74 02, A 004 446 48 02, A 004 446 56 02, A 004 446 57 02, A 003 446 28 02, A 003 446 47 02, A 003 446 56 02, A 003 446 58 02, A 003 446 61 02, A 003 446 63 02, A 003 446 64 02, A 003 446 65 02, A 003 446 70 02, A 003 446 71 02, A 003 446 72 02, A 003 44 673 02, A 003 446 74 02, A 003 446 75 02, A 003 446 76 02, A 003 446 77 02, A 003 446 87 02, A 004 446 47 02, A 004 446 56 02, A 004 446 57 02, A 004 446 58 02, A 004 446 66 02, A 004 446 76 02, A 004 446 85 02, A0034462802, A0034464702, A0034465602, A0034465802, A0034466102, A0034466302, A0034466402, A0034466502, A0034467002, A0034467102, A0034467202, A0034467302, A0034467402, A0034467502, A0034467602, A0034467702, A0034468702, A0044464702, A0044465602, A0044465702, A0044465802, A0044466602, A0044467602, A0044468502, A0044467702, A0044464802, A0044465902
CV Electronics are based in the UK, we will repair your Mercedes CPC 3 unit to go back on the same vehicle so there are no coding/programming issues.
We can collect any unit FOC from any UK mainland address. For our international customers if you contact us directly, we can advise you as to what you will need to put on any customs/export paperwork to make sure when you send us your CPC unit it gets to us as quick as possible.
Once we receive your CPC 3 unit the remanufacturing process can be as quick as 1 day. We then return your unit back to you using UPS and more often than not your unit will be delivered back to you within 2-3 days worldwide, next working day for Europe and our UK customers.
When you have received your CPC 3 unit back it can then be refitted back to the same vehicle “plug & play” fashion no need to code or re-program it. You will also have the peace of mind of a 2-year warranty on your newly remanufactured CPC 3 .
Please feel free to contact us.
Phone — +44 (0) 1246 925500
WhatsApp — +44 (0) 7927986458
CV Part No. MEEC04
MERCEDES Bus, Coach & Truck MP4
Mercedes CPC 3 ECU Repair
Common issues:-
- blowing fuses
- accelerator pedal fault
- comms faults
- connector damage
- fault codes in unit
- intermittent faults
- unit dead
Your Mercedes CPC 3 will be returned fully reconditioned and ready to be re-fitted to the same vehicle it came off, saving you the time & expense of having a new Mercedes CPC 3 programmed to your vehicle.
Good service is everything to us and we would love the opportunity to prove that to you. We specialise in the remanufacturing of Instrument Clusters, ECU’s, Adblue Pumps and can repair the majority of the other Electronic parts on Volvo, Scania, DAF, Mercedes, MAN, Iveco, Alexander Dennis, Optare and Wrightbus.
We collect your parts free of charge and aim to turn them around the following day. All parts we service have a 24 month warranty.
Our Customer Portal allows you to have full visibility of your part/s during its refurbishment journey. It not only allows you to access the status of your current jobs but also previous jobs & invoices for ease of use.
The company has over 60 years of experience and are always happy to assist you with any technical assistance we can. Feel free to contact us if you wish to discuss the faults you are experiencing before sending in your parts.
OEM part numbers and descriptions are used for identification purposes and reference purposes only and not to indicate any endorsement by the OEM.
prices are exclusive of VAT
Fault Reporting
Accurate Diagnostics = Better, Faster ECU Remanufacturing
Providing clear and detailed fault information is one of the most important steps in the remanufacturing process. The more accurate the diagnostics, the faster we can identify the root cause, reduce turnaround times, and ensure a reliable repair.
To help us deliver the best possible results, please include the following information when sending your unit:
Fault Description
Give a clear, simple explanation of the issue as observed by you or your technician.
- What is the vehicle or system doing?
- What is it not doing that it should?
A concise description helps us quickly understand the symptoms and focus on the right areas.
When the Fault Occurs
Understanding when the issue happens is key to identifying patterns.
Please let us know if the fault appears:
- During start-up
- Only at operating temperature
- In specific gears or modes
- Under load or acceleration
- Intermittently or consistently
This information allows us to replicate real-world conditions and pinpoint the cause more efficiently.
Diagnostic Trouble Codes (DTCs)
- Include all fault codes retrieved using a diagnostic tool
- These provide a vital starting point in identifying affected systems or components
DTCs combined with live data give us a much clearer picture than codes alone.
Live (Real-Time) Data
Where possible, include relevant readings from your diagnostic equipment, such as:
- Battery and charging voltages
- Sensor values (temperature, pressure, position, speed, etc.)
- Actuator positions
- Any readings that appear abnormal or out of range
Live data helps us verify faults, confirm component behaviour, and accurately reproduce the issue during testing.
Why This Matters
Accurate and detailed diagnostics allow us to:
- Identify faults faster
- Reduce unnecessary testing
- Improve repair accuracy
- Minimise turnaround time
- Ensure long-term reliability of the ECU
If you’re unsure about any of the above, feel free to get in touch — our team is always happy to help.
Our customer portal provides secure access for customers to view and manage all their jobs in one place.
You can see both current and past work, track progress and status updates, read notes, make payments, arrange collections, and respond to messages.
The portal also allows you to submit new enquiries quickly and easily.
Click here to log in or register.
CV Electronics Ltd are based in the UK. We can collect any unit FOC from a UK mainland address. International collections charges will be added on to your invoice, feel free contact our service team who will be happy to quote you on international collections charges. Please ensure that your items for repair are securely packaged.
Collection Request Form
