Do you have a non-starting 2004-2010 Mercedes SLK with an engine ECU that won’t communicate? This sounds like a Continental SIM4LKE malfunction. Don’t worry, we can remanufacture these control modules in just 2-3 working days with a lifetime warranty included.
These engine ECUs have become a recurring point of failure for owners of second-generation Mercedes SLK 200 Kompressor models (1.8L petrol). When failure strikes, the vehicle inevitably experiences a range of issues like an engine light or no start.
What causes the Mercedes SLK ECU to fail?
These control modules are frequently known to experience internal component degradation, which of course prevents the SIM4LKE from functioning properly.
As one of the best-selling compact roadsters of the late 2000s, the Mercedes SLK was produced in mass, and so too was its SIM4LKE engine ECU. As is the case with mass production, lower-quality components tend to be used to drive down unit costs. As a result, these components fail earlier than you’d expect them to and cause serious issues for owners.
Depending on the severity of the SIM4LKE’s internal degradation, affected owners could experience a number of symptoms. For example, when the issue first begins to manifest itself, you’ll find the vehicle is difficult to start and the engine light will come on. Inevitably though, the Merc ECU will be rendered completely defective and it won’t communicate with other modules – in this case you’ll be left unable to start the Mercedes SLK too.
How to resolve the SIM4LKE fault
When met with the aforementioned symptoms, many Mercedes SLK owners are advised to completely replace their SIM4LKE ECU. However, this solution isn’t long-lasting and we wouldn’t recommend it.
As mentioned, the reason these units malfunction is because of the low-quality components they’re comprised of. Therefore, if you simply replace your SIM4LKE ECU with new, you’re just reinstalling the same underperforming components to your Mercedes SLK. While this may provide a temporary solution, you run the risk of the same fault occurring again in the future.
Instead, we’d recommend having your SIM4LKE comprehensively remanufactured. This way you’ll resolve your issues for good and it’ll cost much less than a brand new replacement.
Our Mercedes SLK ECU solution
Thankfully, this is the very service we provide. We even test these ECUs on hardware-in-the-loop rigs which allow us to examine your unit under realistic driving conditions. As a result, we can reveal even the most intermittent of faults with pinpoint accuracy.


Once we’ve confirmed your Mercedes ECU is defective, we’ll remanufacture it with higher-than-standard components and you won’t even need to recode it back to your SLK afterwards. It’ll cost you much less than a brand-new unit and we’ll cover you with an unlimited-mile lifetime warranty too.
To get started, simply fill out our short test form and have your control module comprehensively remanufactured by the industry experts in just 2-3 working days.
Common failure symptoms:
Common fault codes:
Test and rebuild:
We assess all control modules using state-of-the-art equipment before and after the remanufacturing process. To resolve the root cause of failure and restore long-term unit functionality, we use higher-than-OEM-standard components and the very latest remanufacturing techniques.
Programming:
You don’t need to worry about having your SIM4LKE recoded back to your vehicle after the rebuild. This information is preserved throughout our test and rebuild process, so you can simply plug and play when you receive it back from us.
Quality:
Providing an excellent service is our priority and this is demonstrated by our proud defect rate of just 0.49%. This has helped us to become the leading provider of automotive remanufacturing services for industry specialists around the globe.
Warranty:
Lifetime unlimited mileage*
How do I get my unit rebuilt?
To pay for the rebuild click the Shop Now link above, select your part number and click: Get yours rebuilt.
Print the payment/booking confirmation email.
Package the Mercedes SLK ECU inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received we will test, rebuild and return your SIM4LKE with an unlimited mileage lifetime warranty. If your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping.
What if I don’t want to pay up front?
This is not a problem, if you prefer this option then follow these steps:
Fill in and submit this test form.
Print the booking confirmation email.
Package the SIM4LKE inside a sturdy box with plenty of packaging material and make sure you include your confirmation email in the box.
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received, we will test your control module and call to inform you of the outcome of testing. If your ECU is faulty and you choose to go ahead with the rebuild, then we will take payment over the phone using a debit/credit card.
We will then rebuild your unit and return it to you with an unlimited mileage warranty.
If you require further information regarding this Mercedes SLK SIM4LKE ECU then please contact us.