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ABS & ESP currently unavailable / Release parking brake
Hi, I own a mercedes C class W204 C180 CGI Model 2013 and I had these errors for a while in my dashboard. They appear only after I turn on the ignition and drive away a few meters. Exact when my speed reaches 19-20 km. After I drive away the steering wheel gets blocked for a few seconds and those errors appear in the dash. After a few seconds they disappear and the car drives normally. It doesn't do this all the time. Only from time to time but is annoying.
Also I noticed that when the error pops up sometimes the car doesn't want to change gear and the turbo doesn't get involved. Maybe it gets into safe mode ?
I scanned the car with iCarsoft MB 2 but coudn’t find any fault code related to this issue.
I also checked my battery voltage which was 14.77 volt. So I don’t think that the problem is related to the battery.
Some say that it can be the speed sensor but it should show the fault code C0034 for example. But the OBD scanner doesn’t find such codes.
When using the Icarsoft scanner I assume you're going into the Diagnistics section, where you specify the car/model number etc, and not just the generic OBD section. The OBD section is quite useless for codes.
The problem you are describing is commonly a speed sensor issue. Irrespective of what's causing it, it's unusual not to have a code of some sort, that's why I've asked if you're in the right mode on the scan tool.
I would have the battery and the alternator testing. You mention it happening around 20kph and in my operators manual it mentions something about the vehicle self testing and then the warnings turning off after driving 20kph.
I have a Foxwell obd scanner with Mercedes software and not sure if it would show more detailed info. can you perform testing with that scanner?
Hi! How are you, were you finally able to fix the problem?
Im having exactly the same problem with my W204, I have tried changing the battery, the regulator of the alternator, I’ve expending a lot of money and I cant find the problem…
Mine C180 2013 get this message as well. What I can tell U is.
1. First message , it come from ABS sensor. Don't worry about. Drive it until it light permanently , then use icarsoft to identify which front whell ABS sensor is broken. Use only authentic mercedes, itsn't pricey much. Change it is easy take around 30 minute. No need to computer calibrate.
2. Second message, I guess it come from parking brake switch too. But as I said, its disappear after drive for a while , then I didn't interest to solve it. Battery & alternator won't relate. I use AGM battery for 2 year, it should work for 5-6 year. Also , I check alternator it run smoothly. Volt charging still in standard. What the cause I guess may be from parking brake switch , or from ECU itself. But I will change switch first if it light permanent.
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