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Discussion Starter #1
I purchased an 2003 sl55 with 40k on the clock and full Mercedes service history 3 months ago, last week the dreaded yellow engine light came on, off to the dealers who informed me the secondary air pump required replacement. After checking I find there was a recall to replace the relay and update the software to prevent the fault that has burnt out my pump after being on continually. I understand the campaign replacement relay has the part no. 002542661905, I have checked my relay and it does not have the last bit of the number 05, my son, who is parts manager at an Audi dealer tells me the 05 will refer to the new replacement recall part, so would this mean the recall has not been carried out on my car, it has had 2 services at Merc dealers since the 2006 recall. Can anybody confirm that my relay part number of 0025426619 is the original part before I confront the dealer?
 

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Sold my 2005 SL55, 2000 CL500
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Whats more important is if the Secondary Airpump was replaced. Even if it has been serviced by the recall the dealer will/should still replace your pump under warranty. This was a "Mandatory" recall and part of the settlement between Benz and the Feds. I had to go to a service manager but they did mine on my 2005 SL55. Also at that time it was California law on emissions parts. 8 years or 80K miles. Good Luck.

The good news is you can drive it without issue. Just the damn CE Light.
 

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Been up to the dealers this afternoon who did a print out for me showing that my car had been in for the recall and the work carried out. When I questioned the relay part number their reply was anybody could have put in an old part to try to claim. So no joy with help from Mercedes, who quoted £960. Went off to a very reputable Mercedes specialist who has quoted me £465. If the recall has taken place obviously the problem has not been cured.
 

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I think it was more a bug in the Software. The pump wouldnt get the shutdown command.
And that pump is built to only run for short periods. 30 Seconds. So when it keeps running it burns up the brushes and fails. Not sure about the recall in GB.
 

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So much for main dealers! The Mercedes specialist garage replaced the relay today, ran through the diagnostics, no faults, turned on the pump that the Dealers had told me had burned out and needed replacing, turned on fine, no problems, fault cleared, we'll see what happens now. So basically the main dealer was going to charge me over £900 to replace a pump that there was nothing wrong with and I'm sure they new it. I'm so angry I feel like reporting them to trading standards as it is not the first time they have tried a trick like this.
 

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Discussion Starter #6
To follow up, 500 miles later and no problems, new relay did the trick. Don't trust the dealer, replace the relay yourself first.
 

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If you have Left side Steering its on the Right side Fuse Box under the hood. F31 on a SL600 and SL55. Otherwise its F32 on other R230`s. You should also have a fuse map in your tool kit above your spare tire. Look around and there is a Fuse Map for R230`s on this forum too. Good Luck.
 

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If you have Left side Steering its on the Right side Fuse Box under the hood. F31 on a SL600 and SL55. Otherwise its F32 on other R230`s. You should also have a fuse map in your tool kit above your spare tire. Look around and there is a Fuse Map for R230`s on this forum too. Good Luck.
.

Thank you..

Juha
 
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