2005 E320 CDI wont start. Warning ESP/ABS/ No crank
Newbie Member here! DO let me know if I am posting something in the wrong place.
I had driven it this morning for 100 ish miles and everything was working normally. Stopped for lunch and then when I went back to the car the following was observed when I turned in the key into its different stages:
1. Ignition One - everything functional, All lights come on.
2. Ignition two - The glow plug light does not come on, everything else seems normal.
3. Start - No crank followed by two errors ( ABS - visit workshop and ESP - visit workshop)
Tried it with both keys and showed the same characteristics.
Not sure where to start looking at the issue. New to Mercedes and diesels. Bought this car 3 months ago and have put 5000 miles on it and everything seemed to work fine. Now I am stuck with a car that just won't respond at all.
Additionally, my Autel car scanner is not able to link at all to the OBDII port. Communications failure? Something like that.
I think it could be the ECU relay/fuse as there is a communications issue with the car I am more inclined to think the same.
I think a couple of relays/fuse and the auxiliary battery are situated in the trunk. Over the memorial day weekend, I had a couple of these stupid twist open beers open up in the trunk.
Is there a ground wire running through there? Any specific places I should look for corrosion? While since then, the car has performed fine, just covering my bases.
Any leads would help A LOT!
I completely agree with you. But the nice folk of the internet are seldom wrong!
Joking aside, I was hoping someone on here would know what would be a good quick test to guide my efforts. What would you do if it were you?




Display car voltage during starting attempt and test the battery.
Did the scanner work on the car before? Its failure might be voltage-related as well
If you have access to a multi meter, you can quickly check continuity on each fuse. As well as battery voltage. I would start there.
What should be the right voltage of the battery? And if it comes down to replacing; Any comments on a good aftermarket replacement?




Low car voltage can be result of bad battery, or bad charging system, so it is better to do more testing, before buying new parts.
Your car can have wet battery and the best deal I am fining is Bosch battery at PeepBoys.
Slightly above $100 with internet discount and unbeatable 96 months warranty.
Will start with the battery and alternator check then.
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Well, I would reset all the codes becuase low batt volatage does weird things, but the module errors should remain.
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Are diesels the same to Gasoline engines when being jump started? Also am I gonna ruin something else if I jump start the E320?
If the battery is the issue then I was thinking a jump start might work... But then I have owned a diesel for like 5 mins (3 months)... So I dont wanna end up doing something mega stupid. Additionally I know that certain cars dont like being jump started...
Mike T.
@BrokenCdi How did you diagnose for a faulty ECU? What would the steps be?
Also IF the ECU is faulty, who did you send it out to? Any good contacts?
@BrokenCdi How did you diagnose for a faulty ECU? What would the steps be?
Also IF the ECU is faulty, who did you send it out to? Any good contacts?
After that i figured that i'm in way over my head and brought the car to a local mb specialist. Told them what i did, they hooked up the factory scanner and i was told they are 95 percent sure it's the ecu. Was told something along the lines of ecu not pushing out enough voltage on a certain pin. Had them remove the ecu, send it in for repair and reinstall it.That did the trick and the car hasn't missed a beat since. Bluelinkdiag did the ecu repair.
Edit: i don't remember anymore if my scanner was able to connect right after the no start condition, or if it connected once the car was started using the jumper pack.
Last edited by BrokenCdi; Jun 10, 2019 at 06:10 PM. Reason: clarification
I get home today and the car starts perfectly without any issues today and doesn't show any errors on the dash. Did it a couple of times; Every time it started up right away.
The difference between yesterday and today? Nothing! I hadn't really fiddled with the car yet (Except checking the diagnostics fuse and the engine starter fuse) .... it was a hot day yesterday and today has been rainy? :P

Now putting an independent shop scanner to it, there were no global errors but some specific modules had stored errors with weird numbers...
9051 - Consumer Shutoff Stage 1
53F0 - CAN communication with control unit Engine management is sporadically disturbed
6210 - ABS anti-lock braking system control
4A30 - Engine control module not identified or incorrect control module
Do any of these make sense to anyone? Should I get the ECU re-coded and re-SCN ed?
https://www.benzworld.org/forums/w21...mittent-2.html
Someone have any idea?
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