s211 2006 3.0 v6 diesel wont turn off
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56 e320 sport estate
facelift s211 2006 3.0 v6 diesel Flat battery and other electrical faults
Ok so car done a really strange thing.
Alarm horn on constant after car was locked, so opened car and turned engine on. Then took key out. Engine kept running with multiple faults up on dash. Could not get car to turn off. Key would not turn in ignition switch. This was a few weeks ago.
Its done it again today.
I had the volts up on display yesterday while driving and had a steady 14.2volts with various electrical items on including wipers, heated seat, lights, radio etc. The car would randomly start to idle ever so slightly higher and the heated seat lights would flash and the interior lights would not opperate. during the high idle condition the hold function would also not engage.
Any help much appreciated!
*Edit* car now has flat battery and I think im dealing with more than one problem!
Alarm horn on constant after car was locked, so opened car and turned engine on. Then took key out. Engine kept running with multiple faults up on dash. Could not get car to turn off. Key would not turn in ignition switch. This was a few weeks ago.
Its done it again today.
I had the volts up on display yesterday while driving and had a steady 14.2volts with various electrical items on including wipers, heated seat, lights, radio etc. The car would randomly start to idle ever so slightly higher and the heated seat lights would flash and the interior lights would not opperate. during the high idle condition the hold function would also not engage.
Any help much appreciated!
*Edit* car now has flat battery and I think im dealing with more than one problem!
Last edited by s211 e320 sport; Oct 24, 2017 at 06:55 PM. Reason: unfinished writing.
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56 e320 sport estate
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56 e320 sport estate
Ok so a mb Tec had it on diagnostics and he thinks the eis is faulty. He said about circuit 15 faults and some other stuff. The strange thing is it will not replicate the key out engine running scenario, it's only ever done it twice.
It is however doing weird things!
Driving it today a red battery comes up on the dash, then disappears. The srs light comes on briefly sometimes. It was dark at the time so nav screen would flick to day mode and also operate the wipers. The indicators were hit and miss. After starting it the illumination light for the hazard lights and heated seats were off. The heater blower would stop blowing then return.
Also when the car is turned off with key in the ignition switch all the illumination lights on the buttons flick on briefly, the interior light surround bezel bits would turn on and off. The headlights would go off and on. The drivers window auto up function won't work. The drivers side rear window won't go up.
When the car is left parked and locked the hazard lights flash mostly twice or three times but will also flash up to six times. The alarm siren not the horn sounded yesterday. The folding mirrors don't close when car is locked.
All help appreciated. Thank you
It is however doing weird things!
Driving it today a red battery comes up on the dash, then disappears. The srs light comes on briefly sometimes. It was dark at the time so nav screen would flick to day mode and also operate the wipers. The indicators were hit and miss. After starting it the illumination light for the hazard lights and heated seats were off. The heater blower would stop blowing then return.
Also when the car is turned off with key in the ignition switch all the illumination lights on the buttons flick on briefly, the interior light surround bezel bits would turn on and off. The headlights would go off and on. The drivers window auto up function won't work. The drivers side rear window won't go up.
When the car is left parked and locked the hazard lights flash mostly twice or three times but will also flash up to six times. The alarm siren not the horn sounded yesterday. The folding mirrors don't close when car is locked.
All help appreciated. Thank you
Senior Member
Joined: Oct 2011
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From: Coastal Georgia, USA
2007 E350 Sedan
Excuse my ignorance-I tried to find an answer on Google but didn't do well-does your car have the SBC braking system? If it does, you might want to check the condition of the auxiliary battery.
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56 e320 sport estate
Thank you for reply. I have a feeling it does have sbc but will check this along with aux battery later today and post my findings!
Senior Member
Joined: Oct 2011
Posts: 314
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From: Coastal Georgia, USA
2007 E350 Sedan
Okay.
A bad or weak aux battery can cause all sorts of weird stuff. MB started phasing out the SBC system in 2006, but my wife's 2006 E350 has it (early in the 2006 model year).
A bad or weak aux battery can cause all sorts of weird stuff. MB started phasing out the SBC system in 2006, but my wife's 2006 E350 has it (early in the 2006 model year).
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56 e320 sport estate
Ok so the hazard lights were flashing all night (not consistantly - so would flash between 1 and six times but most usually twice) and now the car battery is flat. Any pointers here guys? I have literally no idea. Every time im reading im thinking its something else. Battery, voltage regulator, battery control module, one of the sam units, faulty relay. Im stuck here! I cant just start throwing money at this because it will quickly become more frustrating and expensive. Thanks.
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56 e320 sport estate
So there appears to be no aux battery under the cabin/polen filter ns front of car (car is uk rhd!) so this make me think it has no sbc. Thank you.
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56 e320 sport estate
Ok so I have got nowhere with this car!
We have tried another battery. Checked alternator wiring and also checked all fuses including the ones under the drivers carpet and ones forward of battery under boot carpet.
Please somoene help me out here! Ive been on the phone talking to auto electricians, key programmers, auto locksmiths, mechanics and nobody wants to touch it!
At a total loss with it. The guy who had it on star machine originally thought it was a faulty eis originally, then a circuit 15 or relay issue and now thinks its a power supply issue?
We have tried another battery. Checked alternator wiring and also checked all fuses including the ones under the drivers carpet and ones forward of battery under boot carpet.
Please somoene help me out here! Ive been on the phone talking to auto electricians, key programmers, auto locksmiths, mechanics and nobody wants to touch it!
At a total loss with it. The guy who had it on star machine originally thought it was a faulty eis originally, then a circuit 15 or relay issue and now thinks its a power supply issue?
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From: V E G A S
1922 Ford Model T / no OBD
You choose not to disclosure your location, when answers to your questions need to be location-specific.
You need to help us to help you.
If you don't have good indy, your only choice left will be dealer.
You need to help us to help you.
If you don't have good indy, your only choice left will be dealer.
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From: Orlando, Florida
2005 E320 CDI (SOLD); 2008 ML320 CDI 4MATIC
BCM (battery control module) could be suspect w/ cascading intermittent power related failures. Mine has flickered ON when A/C ON & car idling for extended periods. EIS is definitely suspect w/ key issues & likely will require dealer to fix as SDS system will be needed to SCN code (integrate) relacement EIS control module to VIN's CGW (central gate way)
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56 e320 sport estate
I am located in Feltham in West London right near to Heathrow airport. I have no trusted or known of Indy. Dealer repairs will outweigh the cost of the car.
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56 e320 sport estate
BCM (battery control module) could be suspect w/ cascading intermittent power related failures. Mine has flickered ON when A/C ON & car idling for extended periods. EIS is definitely suspect w/ key issues & likely will require dealer to fix as SDS system will be needed to SCN code (integrate) relacement EIS control module to VIN's CGW (central gate way)
Ok so I was thinking to get a second had eis unit and have it cloned and try that? Easier said than done. A replacement eis at Mercedes is £470 plus vat and fitting. Will end up costing £1000 to replace something I'm unsure will resolve the issue! Really frustrated with this car as it beautiful (in my opinion) but I'm beginning to hate it. However lovely it drives and looks.
Currently Thinking about all the following
1. Battery control module
2. Voltage regulator
3. Alternator
4. Rear sam
5. Front sam
6. Eis
7. Esl
8. Wiring damage
9. Anything connected via the can (so everything)
Only thing that worries me is a senior tec who works for mb had it on star and is unsure. Gives me no confidence in taking it to dealer and have them start changing bits at huge cost.
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56 e320 sport estate
Ok so car has been to a mb only spaecialist, who dont want to know. Had car on diagnostic last week and they gave me confidence diagnosing the fault, that there was no communication between front sam. A front sam was ordered and fitted and the problems are still there! I rang the specialist who told me to "bring it in" "it needs to be coded" so another guy plugged it in and basically shrugged his shoulders. Im literally at a loss with this car! There was many no communication issues coming up on the diagnostic screen. There is something in my opinion going on here with the can system? Most body functions are not opperating correctly. Is there anyone on here that can help. Currently I will never own another mercedes car! Its been sat for three weeks now and I am unable to find anyone to diagnose let alone fix the thing! Feel even writing this is a waste of time!. If I had a diagnostic machine I would sit there looking through it thoroughly.
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Plutoe gave you the only answer you needed. Diagnostics from Mercedes may be expensive, but in the long run fixing it once and fixing it right is cheaper.
Has the car ever been flooded?
Has the car ever been flooded?
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56 e320 sport estate
Hi thanks for reply.
I fear putting this car into main dealer it will never come out again. Also I dont fancy paying £120 for mb to tell me there is an issue with my car, thats obvious. You are right which is why im not wanting to give it to mb.
I like to understand how things work, id happily spend all day buzzing wires out or opening bits up but there is so much on this car it would take much longer, this coupled with the fact diagnostic equipment for this car is really expensive makes me think a mb is not for me. Ive rebuilt engines from the block up which I think is manageable, im not a mechanic by the way. This cant be an isolated case and someone else must have experienced it. Its an old car now. Its currently up for sale as spares or repair. The way im looking at it mercedes repair = £1000 minimum or sell as is for market minus £1250 ish and get on with my life mb free! Really frustrated.
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
If it was mine I'd probably start chasing ground points everywhere on the car. A bad ground can show itself in completely unexpected ways.
Example: A friend had the starter replaced on his subaru. The tech who (poorly) did the work didn't tighten the main ground cable between the battery and the engine. Friend started having starting issues, and some magic smoke came out of the engine compartment one day. We popped the hood and took a look, found a melted small gauge ground wire that had been bearing the current load given to it by the starter when it was engaged. Replaced the burned wire, tightened the main ground, problem solved.
Point? When current goes places it isn't designed to go, weird things happen. Check all your grounds. A subscription to AlldataDIY or some such will get you the electrical diagram needed to find 'em all. Good luck!
PS: has the car ever been flooded or left in the rain with the sunroof open?
Example: A friend had the starter replaced on his subaru. The tech who (poorly) did the work didn't tighten the main ground cable between the battery and the engine. Friend started having starting issues, and some magic smoke came out of the engine compartment one day. We popped the hood and took a look, found a melted small gauge ground wire that had been bearing the current load given to it by the starter when it was engaged. Replaced the burned wire, tightened the main ground, problem solved.
Point? When current goes places it isn't designed to go, weird things happen. Check all your grounds. A subscription to AlldataDIY or some such will get you the electrical diagram needed to find 'em all. Good luck!
PS: has the car ever been flooded or left in the rain with the sunroof open?
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56 e320 sport estate
If it was mine I'd probably start chasing ground points everywhere on the car. A bad ground can show itself in completely unexpected ways.
Example: A friend had the starter replaced on his subaru. The tech who (poorly) did the work didn't tighten the main ground cable between the battery and the engine. Friend started having starting issues, and some magic smoke came out of the engine compartment one day. We popped the hood and took a look, found a melted small gauge ground wire that had been bearing the current load given to it by the starter when it was engaged. Replaced the burned wire, tightened the main ground, problem solved.
Point? When current goes places it isn't designed to go, weird things happen. Check all your grounds. A subscription to AlldataDIY or some such will get you the electrical diagram needed to find 'em all. Good luck!
PS: has the car ever been flooded or left in the rain with the sunroof open?
Example: A friend had the starter replaced on his subaru. The tech who (poorly) did the work didn't tighten the main ground cable between the battery and the engine. Friend started having starting issues, and some magic smoke came out of the engine compartment one day. We popped the hood and took a look, found a melted small gauge ground wire that had been bearing the current load given to it by the starter when it was engaged. Replaced the burned wire, tightened the main ground, problem solved.
Point? When current goes places it isn't designed to go, weird things happen. Check all your grounds. A subscription to AlldataDIY or some such will get you the electrical diagram needed to find 'em all. Good luck!
PS: has the car ever been flooded or left in the rain with the sunroof open?
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E Class estate w211
Thanks for reply. Car has not been flooded that I know of. We have had it two and a half years and it's been fine. I've found lots of earthing points etc around the car, not all of them as many are hidden as such. What bothers me the most is that a senior tech who works at mb and a mb only independent specialist won't take the car on and are unsure on the issue.
Did you ever get to the bottom of this?
I have the same issue
E Class w211
E220 V6
Anyone else hot any ideas?
