how much labor to replace camshaft/crankshaft position sensor - Mercedes-Benz Forum

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post #1 of 13 (permalink) Old 03-30-2011, 10:49 PM Thread Starter
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how much labor to replace camshaft/crankshaft position sensor

Hi, I'm new to the forums. I stumbled upon this forum as I was searching online for information regarding camshaft and crankshaft position sensor replacement. I was charged 3.8 hours ($120/hr) at my local Mercedes-Benz dealership to replace one camshaft position sensor and one crankshaft position sensor in my 2005 ML550 V-8. My SUV barely has 40K miles on it.

My question is:

1) Is 3.8 hours a little too much?
2) What is the typical # of hours necessary to replace one camshaft position sensor and one crankshaft position sensor?

I believe I may have been overcharged and would like some of your opinions before I call my dealership regarding this. Does anyone have any advice in how I should handle this? I appreciate any help you can provide.
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post #2 of 13 (permalink) Old 03-30-2011, 11:19 PM
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I replaced the crank shaft sensor once. If I have to do it again, it probably will take me 10 minutes.
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post #3 of 13 (permalink) Old 03-30-2011, 11:23 PM
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To do both will take approx 20 minutes but most workshops will charge an hour. 3.8? I could take the engine and transmission out in that time

ERIC.

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post #4 of 13 (permalink) Old 03-30-2011, 11:38 PM
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The first time is always the hardest even though the W210 stickies explain a lot.
Locating the sensor, determining the type (one tab, two tabs), order the part, getting the right tool, remove, install, test) took me several hours and some scratches on the arm.
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post #5 of 13 (permalink) Old 03-30-2011, 11:44 PM
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The first time is always the hardest even though the W210 stickies explain a lot.
Locating the sensor, determining the type (one tab, two tabs), order the part, getting the right tool, remove, install, test) took me several hours and some scratches on the arm.
But that is a DIY, official labour time for both is less than 1 hour and he had the job done at a Dealer (Stealer rather).

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post #6 of 13 (permalink) Old 03-30-2011, 11:48 PM Thread Starter
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Thank you all for your replies. I really appreciate it. I have already paid the dealer ~$900 for parts + labor today and the shop is already closed. I had no idea that I was being overcharged. Is it possible to recover any of the costs? I really do no think I should have been billed 3.8 hours of labor. Can I dispute these costs? Or is it hopeless?
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post #7 of 13 (permalink) Old 03-31-2011, 12:23 PM
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You can call other dealers to get a quote for the same work to compare. I doubt that you can dispute any charge after you signed the work order.
Just to know why some people call dealer stealer. The crank sensor is priced about $50 for online order. Look for it on the itemized bill. But the dealer got to pay lease for a big lot, salaries of black tie white shirt advisers, blue shirt mechanics, free cappuccino, leatherette seating in air conditioned lounge, free Wifi, etc. Think positive, you're going negative $900 to help the local economy.
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post #8 of 13 (permalink) Old 03-31-2011, 02:22 PM
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Most of replies compare the CPS replacements to sedans.
I did CPS replacement on ML55 and top access was impossible. I had to lift the truck, remove the wheel, inner fender and few heat shields.
That was few years ago, but I don't think it took more than 2 hr even I was figuring out what I was doing.
If Erick's quote for 1 hr is correct and the shop charged you for over 3 hr, you have the edge for complain, but also burden of prove.

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post #9 of 13 (permalink) Old 03-31-2011, 10:16 PM Thread Starter
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Thanks for all the replies. Do you think I have a legal case against this dealer?
I found the labor guide pdf and it says that the camshaft position sensor replacement should take 0.5 hrs and the crankshaft position sensor should take 0.6 hours. The sum is 1.1 hours. I was charged for 3.8 hours ($120/hr) by the dealer. Isn't that fraud?
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post #10 of 13 (permalink) Old 04-01-2011, 01:09 AM
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Fraud is strong word. Did they call you with estimate and you agree to it?
This way, or the other, the call to MB USA with complain is not going to cost you much.
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