C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

dropped my car off for the hose recall and CEL came on

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Old Mar 19, 2008 | 10:12 PM
  #1  
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dropped my car off for the hose recall and CEL came on

Hello C class owners,

I dropped my car to the dealer to perform the hose recall for the M271 engine. After I picked up the car and started driving home, about 10 mins, the CEL came on for the first time since I bought the car.

I went to Autozone to check the codes and its PO410 ( Air Injection )

It could be coincidence, but what are the chances of them not installing the hoses right? Could that set of the CEL?

Would they unplug the MAF in the process of changing the hoses, etc?

Any help would be greatly appreciated

Last edited by MugenRD; Mar 19, 2008 at 10:15 PM.
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Old Mar 20, 2008 | 01:15 PM
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Go have it checked, there's a good chance the tech messed up.
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Old Mar 20, 2008 | 09:16 PM
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I'm thinking that's the case, but even if they made a mistake, I'm sure they are going to put the blame on me and get other stuff replaced.
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Old Mar 21, 2008 | 12:14 AM
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I got my hose fixed at the dealer last week...I left and the car ran fine. I was on the on ramp to the highway and I hit the gas, rpms went up to 3500 and stayed there, got stuck...I was like it was crazy. I downshifted, and nothing!

I quickly pulled over to go back to the dealer. I got on the highway (in opposite direction), floored it, and the car moved as if I was pressing the gas 1/4 of the way down...I almost got rammed by a huge truck!

Went to the dealer, and what happened was that there was a clamp that wasn't secure.

They secured it and now the car is fine...

Amazing what can happen with a loose clamp...

I'm so glad it happened close to the dealer, I live an hour away from it lol.
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Old Mar 21, 2008 | 01:15 PM
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Any updates?

The P0410 is apparently a common problem on these cars when they age. The Secondary Air Injection valves stick, or the relays fail.

Its not a big deal, yet does throw a CEL since that valve opening on startup helps reduce emissions by warming the catalyst.
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Old Mar 25, 2008 | 11:43 PM
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just an update: I picked up my car today from the dealer and apparently there was a small leak with some hose. They fixed it due to courtesy.

But upon inspection at home, I found out they cracked the plastic engine cover.
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Old Mar 25, 2008 | 11:54 PM
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Originally Posted by MugenRD
just an update: I picked up my car today from the dealer and apparently there was a small leak with some hose. They fixed it due to courtesy.

But upon inspection at home, I found out they cracked the plastic engine cover.
As well they should have. Perhaps they felt a twinge of conscience due to their ineptitude.

Hightail it back there to insist they replace the cover they broke.
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Old Mar 26, 2008 | 10:21 AM
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Originally Posted by Kristen
Any updates?

The P0410 is apparently a common problem on these cars when they age. The Secondary Air Injection valves stick, or the relays fail.

Its not a big deal, yet does throw a CEL since that valve opening on startup helps reduce emissions by warming the catalyst.
where is the is the secondary injection valve located on the m271 VS m111?
also where is the hose that is on the TSB that gets replaced----does anyone have any pictures of these??
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Old Mar 26, 2008 | 12:11 PM
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Originally Posted by HeirKranz
also where is the hose that is on the TSB that gets replaced----does anyone have any pictures of these??
See here: https://mbworld.org/forums/showthrea...&highlight=pcv
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Old Mar 26, 2008 | 12:16 PM
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Originally Posted by HeirKranz
where is the is the secondary injection valve located on the m271 VS m111?
also where is the hose that is on the TSB that gets replaced----does anyone have any pictures of these??
STF, the hose and DIY instructions have been posted.

I don't know where the secondary air injection valve is on the M271.
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Old Mar 26, 2008 | 01:25 PM
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Went to the dealer and they agreed to get the engine cover replaced.
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Old Mar 26, 2008 | 03:37 PM
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Originally Posted by HeirKranz
where is the is the secondary injection valve located on the m271 VS m111?
also where is the hose that is on the TSB that gets replaced----does anyone have any pictures of these??

Heir, I thought you had an M111 engine?

Or is this for the second coupe I heard you were buying?

E
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Old Mar 26, 2008 | 03:42 PM
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Originally Posted by MugenRD
recall for the M271 engine.
I must have missed this somewhere. What recall is this? Is my 2005 C230 Sport Sedan affected?

Thanks,
Leif W.
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Old Mar 28, 2008 | 07:40 PM
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Ever since I dropped off the car for the hose recall, I been feeling that the car has been idling weird. It might be me, but I been paying more attention to the idle in drive, the needle would move just a tad while in drive.

I was thinking it could be bad gas. For those that have the M271 engine, if you could check the needle while idling in drive.

Many Thanks
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Old Mar 28, 2008 | 08:20 PM
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Originally Posted by LeifW
Is my 2005 C230 Sport Sedan affected?
Yes.
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Old Mar 30, 2008 | 11:06 AM
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I got my hose fixed on 3/12/08. Car ran fine until yesterday. The car got the same symptoms it had when my hose failed the first time, rough idle, loss in power, CEL light...

Do you guys know if the stealer will fix something that is a recall more than once?

I can't keep having this happen it

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Old Mar 30, 2008 | 11:37 AM
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Get it fixed asap.

I blew the head gasket in my car cause I limped it home with a rough idle. I checked the $12 hose and it looks fine, so dunno what caused the rough idle this time, yet do know it'll be an expensive repair.

I'll NEVER buy a MB again and NEVER recommend one to others. This car has been the worst POS in terms of reliability.
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Old Apr 13, 2008 | 11:16 AM
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Originally Posted by Kristen
Get it fixed asap.

I blew the head gasket in my car cause I limped it home with a rough idle. I checked the $12 hose and it looks fine, so dunno what caused the rough idle this time, yet do know it'll be an expensive repair.

I'll NEVER buy a MB again and NEVER recommend one to others. This car has been the worst POS in terms of reliability.
I know how you feel.... This is my first and last MB... I have the same type of BS crap happening to my car....
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Old Apr 22, 2008 | 04:55 PM
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Is it easy to visually inspect the hose that's affected by the recall? In the same vain, does someone have a picture of the hose that's affected?

Thanks,
Leif
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Old Apr 22, 2008 | 05:18 PM
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Originally Posted by LeifW
Is it easy to visually inspect the hose that's affected by the recall? In the same vain, does someone have a picture of the hose that's affected?

Thanks,
Leif
There are major thread on this, in THIS W203 forum.
Search on "$12 hose" .
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Old Apr 23, 2008 | 10:19 AM
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Originally Posted by C230 Sport Coup
There are major thread on this, in THIS W203 forum.
Search on "$12 hose" .

Sorry and thanks for the help. I'l check out the thread.

Leif W.
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Old Apr 23, 2008 | 02:25 PM
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got mine replaced and no problems... except i feel that my car is less responsive now (even with my sprint booster).
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Old Apr 23, 2008 | 07:56 PM
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had mine done yesterday, so far no issues...
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Old Apr 23, 2008 | 09:03 PM
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Had mine done last week.

5 days later I had the same symptoms. CEL and poor idle. Took it back to the dealer on Monday and guess what? Carbon build up. Leaking valve. Need a new head.

CPO BABY! Thank goodness because I have 62,000 miles on it.

Can I expect a lot of problems after this fix? Or, should I be good to go?
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Old Apr 23, 2008 | 10:26 PM
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After a month since I brought the car into the dealership for a leak that they found that caused the CEL to come on. Today, while getting gas and drove for 5 mins, the CEL came on. Car runs fine.

Ever since they changed the hose for the recall, CEL has been coming on and off.

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