E55 won't start
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Joined: Jan 2019
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2006 E55 AMG Kombi
E55 won't start
So my parents had reported this problem once before, but I have never seen it. We just stopped at a rest stop, and when I went to start the car back up, it refuses to crank. It shows all of the warning lights on the dash on when you try to start the car, there is a slight buzzing noise for a moment after you turn the key, but then nothing happens. In my parents case, it just started after waiting a few minutes. Not sure what will happen this time.
Anyone heard of this issue and know the cause?
I should mention, the problem surfaced immediately after replacing the secondary coolant pump, and the engine has felt more coarse than normal today. Almost like the engine mounts are going out.
Anyone heard of this issue and know the cause?
I should mention, the problem surfaced immediately after replacing the secondary coolant pump, and the engine has felt more coarse than normal today. Almost like the engine mounts are going out.
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2006 E55 AMG Kombi
Okay, no I have not replaced that. The car did start right up again after about 15 minutes. Oddly, both days this happened involved driving from relatively high altitude down to lower altitude. First time parents were coming back from Switzerland to Central Germany, and today we went to the Eagles nest and then drove to Munich.
I will have to look up the Crank Position Sensor.
I will have to look up the Crank Position Sensor.
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From: N.Y. L.I.
04 E55 AMG BLK/BLK(MyDD), 06 CLK 500 (wife's) 07 ML500, 2012 C300(son's)
"it refuses to crank" (starter turns the motor or not?) "there is a slight buzzing noise for a moment after you turn the key, but then nothing happens" turning the key and starter does not engage??
Just did the CPS on the m112 (C320); Symptoms of CPS are car dies when it gets hot, then the the starter will spin the motor, but it won't start. Then after a cool down period the motor will start. (expansion from heat causes the a break in the signal from the CPS. Then when it cools, contact is made again....the signal is sent and the car starts.
A no crank situation is not solely a bad CPS. You need to pull some codes.
Need to know..... year and mileage
Just did the CPS on the m112 (C320); Symptoms of CPS are car dies when it gets hot, then the the starter will spin the motor, but it won't start. Then after a cool down period the motor will start. (expansion from heat causes the a break in the signal from the CPS. Then when it cools, contact is made again....the signal is sent and the car starts.
A no crank situation is not solely a bad CPS. You need to pull some codes.
Need to know..... year and mileage
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Thread Starter
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Joined: Jan 2019
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2006 E55 AMG Kombi
"it refuses to crank" (starter turns the motor or not?) "there is a slight buzzing noise for a moment after you turn the key, but then nothing happens" turning the key and starter does not engage??
Just did the CPS on the m112 (C320); Symptoms of CPS are car dies when it gets hot, then the the starter will spin the motor, but it won't start. Then after a cool down period the motor will start. (expansion from heat causes the a break in the signal from the CPS. Then when it cools, contact is made again....the signal is sent and the car starts.
A no crank situation is not solely a bad CPS. You need to pull some codes.
Need to know..... year and mileage
Just did the CPS on the m112 (C320); Symptoms of CPS are car dies when it gets hot, then the the starter will spin the motor, but it won't start. Then after a cool down period the motor will start. (expansion from heat causes the a break in the signal from the CPS. Then when it cools, contact is made again....the signal is sent and the car starts.
A no crank situation is not solely a bad CPS. You need to pull some codes.
Need to know..... year and mileage
The car is an 06 E55 Wagon with 118,000 km.
Last edited by feeshta; Oct 16, 2019 at 01:47 PM.
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Joined: Sep 2017
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From: N.Y. L.I.
04 E55 AMG BLK/BLK(MyDD), 06 CLK 500 (wife's) 07 ML500, 2012 C300(son's)
CPS should be as preventative maintenance. I'm on my out the door, so I got to keep it short. Search no crank. Could be grounding strap, fuse, selonoid or starter it's self. Any CEL's?? (check engine light) Pull codes.
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2006 E55 AMG Kombi
No codes. I have a Bluetooth code reader and torque but I'm not seeing anything.
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2006 E55 AMG Kombi
It does crank after 15 minutes or so. Starter seems fine. Just won't even attempt to crank for a while when the issue happens.
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From: Snohomish Co.
E55 AMG
Your problem is not even related to the CPS, so ignore that. Battery voltage, and cables? Go into UB Volt measuring mode, and check. Are you using a Key (EIS), or keyless go on the shifter?
Look at this, ( even though not exactly the same as your problem). https://mbworld.org/forums/w211-amg/...ont-crank.html
Look at this, ( even though not exactly the same as your problem). https://mbworld.org/forums/w211-amg/...ont-crank.html
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Joined: Sep 2017
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From: N.Y. L.I.
04 E55 AMG BLK/BLK(MyDD), 06 CLK 500 (wife's) 07 ML500, 2012 C300(son's)
Since the starter works by jumping it (as suggested by SICAMG), what is the voltage at the solenoid?
Last edited by Pmarino; Oct 17, 2019 at 12:32 PM.
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2006 E55 AMG Kombi
Will report voltages tomorrow with a little luck.
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From: N.Y. L.I.
04 E55 AMG BLK/BLK(MyDD), 06 CLK 500 (wife's) 07 ML500, 2012 C300(son's)
Enjoy your meal.... My guess is your starter or solenoid is on it's way out......starts fine....... heats up.....won't crank.....cools down...starts fine
Trouble shoot it when it's acting up. Forgot to say... next time it won't start, smack the starter with a hammer. You can get at it from the top of engine bay with a piece of pipe. If it works with the smack, it's on it's way out.
Trouble shoot it when it's acting up. Forgot to say... next time it won't start, smack the starter with a hammer. You can get at it from the top of engine bay with a piece of pipe. If it works with the smack, it's on it's way out.
Last edited by Pmarino; Oct 18, 2019 at 12:24 AM.
Thread Starter
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Joined: Jan 2019
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2006 E55 AMG Kombi
Your problem is not even related to the CPS, so ignore that. Battery voltage, and cables? Go into UB Volt measuring mode, and check. Are you using a Key (EIS), or keyless go on the shifter?
Look at this, ( even though not exactly the same as your problem). https://mbworld.org/forums/w211-amg/...ont-crank.html
Look at this, ( even though not exactly the same as your problem). https://mbworld.org/forums/w211-amg/...ont-crank.html
Senior Member
Joined: Sep 2017
Posts: 499
Likes: 66
From: N.Y. L.I.
04 E55 AMG BLK/BLK(MyDD), 06 CLK 500 (wife's) 07 ML500, 2012 C300(son's)
What is the voltage under load? What happens to the voltage when you try to start the car? Have you looked at the fuses, relay, solenoid connections?
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Joined: Aug 2015
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From: East Coast, USA
Mercedes CLS 55 AMG
So my parents had reported this problem once before, but I have never seen it. We just stopped at a rest stop, and when I went to start the car back up, it refuses to crank. It shows all of the warning lights on the dash on when you try to start the car, there is a slight buzzing noise for a moment after you turn the key, but then nothing happens. In my parents case, it just started after waiting a few minutes. Not sure what will happen this time.
Anyone heard of this issue and know the cause?
I should mention, the problem surfaced immediately after replacing the secondary coolant pump, and the engine has felt more coarse than normal today. Almost like the engine mounts are going out.
Anyone heard of this issue and know the cause?
I should mention, the problem surfaced immediately after replacing the secondary coolant pump, and the engine has felt more coarse than normal today. Almost like the engine mounts are going out.
P.S. - I skipped ahead after the first 3 posts. Replace it when convenient, because it will happen again eventually.
Last edited by equitiesguy; Oct 19, 2019 at 06:02 PM.
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2006 E55 AMG Kombi
Your starter died. Same exact thing happened to me. Beat on it with a hammer until you hear it crank for a second to diagnosis. CPS is crank no start. No crank on these cars if the immobilizer is disabled during ignition startup = dying starter. Rockauto has the improved one from Bosch cheap. Sounds like a spaceship when it turns. Absolutely amazing.
P.S. - I skipped ahead after the first 3 posts. Replace it when convenient, because it will happen again eventually.
P.S. - I skipped ahead after the first 3 posts. Replace it when convenient, because it will happen again eventually.
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Posts: 453
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From: East Coast, USA
Mercedes CLS 55 AMG
You get all kind of weird symptoms of a bad starter. Short version: If you turned the key, and it didn't crank, it's either your battery or the starter. If it's the original starter, consider replacing it. If you want to verify the diagnosis then the next time it does it, hit it with a hammer. It'll crank, or turn over a few turns after you do and you'll know for sure.
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2006 E55 AMG Kombi
Solenoid starts to go, or armature starts to fail. I noticed that my car would crank, hesitate for a half crank, continue to crank but ultimately not start. That was the beginning symptoms of the starter failing. Then eventually, it just died without warning, and wouldn't start.
You get all kind of weird symptoms of a bad starter. Short version: If you turned the key, and it didn't crank, it's either your battery or the starter. If it's the original starter, consider replacing it. If you want to verify the diagnosis then the next time it does it, hit it with a hammer. It'll crank, or turn over a few turns after you do and you'll know for sure.
You get all kind of weird symptoms of a bad starter. Short version: If you turned the key, and it didn't crank, it's either your battery or the starter. If it's the original starter, consider replacing it. If you want to verify the diagnosis then the next time it does it, hit it with a hammer. It'll crank, or turn over a few turns after you do and you'll know for sure.
Where is the starter motor located on these cars, and would I be able to hit it with a hammer with the car on the ground?
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Joined: Aug 2015
Posts: 453
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From: East Coast, USA
Mercedes CLS 55 AMG
In your case it sounds like the solenoid, so tap on that first.
Last edited by equitiesguy; Oct 21, 2019 at 04:26 AM.
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96 c36/04 e55
E55 not cranking!!
Thx 👍
