air injection pump
The prices are stupid, but they can be fixed fairly easily.
Here is a link discussing it https://mbworld.org/forums/c32-amg-c...-pump-fix.html
Look at the link as a generic guide.
I had a check engine light last week, and it was the pump.
The mechanic I use fixed in a matter of 15 minutes (Mercedes mechanic but not a dealer)
This is the part I love, and this is what I had serviced and the cost.
Repair secondary air pump. Rad flush and refill with distilled water and new anti freeze. Replace brake fluid (Normal annual maintenance) Drain and replace power steering fluid. Oil change (I supplied the filter and oil) Air filter. Inspect all brake pads, Replace fuel filter (I supplied the filter) Full engine diagnoses.
Cost $330.00
If you have, or can find a good non dealer Mercedes mechanic, he should be able to fix it.
-Luccia
Edit: I'm not sure if you picked the year of the car to get to the next section, but here is the parts for your car.
-Luccia
Last edited by PelicanParts.com; Apr 23, 2015 at 02:55 PM.
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Searching the internet showed around $200.00 for the pump. and lots of re-manufactured ones available.
From your description, you probably don't need one.
The Best of Mercedes & AMG
If the car is overheating, what does the temp gauge say?
2 things you can do.
Do a complete rad flush , and check the thermostat.
You can drop down a few degrees on the thermostat, but do the rad first.
Anyway, that is how I understand it.
No check engine light? What is you gas mileage at the moment (around town, and highway?)
I am now getting about 25 MPH around town. On a reasonably long highway trip, I have gotten 35 to 36 MPG. If your close to a station, fill it up around 100 miles and check the gallons to see what your actual mileage is. It's a bit tricky, as no fill up is exactly the same as the last, but it should be close.
My check engine came on twice in 2 years, and both times it was the pump. My mechanic had it fixed in about 20 minutes.
Best to do it from the car so the output power is coordinated to the part properly.
As far as the other "goodies" are concerned, there are a lot of promises from KN filters, but it is unlikely it will glue you to the seat from any improvement.
Look at the resale value of the car, and why invest in something that isn't worth the $$$ even if it's available. Drive it for what it is, as it doesn't get much better anyway.
Money down the drain,,,,,,,
Once rolling, it's got more get up and go than most 4 cylinder cars with automatic trans.
But then again, I'm an old fart, and that part of my life has long since gone by :-(


