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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #1
Well as the title says, what's your mileage and what issues have you had.? Most of the S550's I have seen when I was looking were all under 90K. So who has big mileage and is running strong. I have 69K but am intending to keep her for some years. That will put me way over 100K wondering what that will bring. I am very anal about maintenance and usually have very few engine issues w/ my cars. My vin is not in the idler gear issue so hoping for a great experience.:)
 

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2014 S550 4Matic; 2009 S550 4Matic (sold); 2008 Toyota Sequoia, 1992 Corvette, 1998 Nissan Maxima
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2009 S550 4Matic 040; 60K miles on this puppy. The only problems I've had so far are;

1. Washer fluid leaks from behind the headlamp area when outside ambient temperature is 32 degrees or below. I had this back to the dealer 1 time already, problem still surfaced this past winter. I'm going in for B Service next week...this is on my list forthem again.

2. Driver seat storage compartment door continually comes off the hindge.

3. Squeak when breaking at low speeds under 10mph from right front tire area. Happens after the brakes/rotors have heated up. Dealer still hasnt corrected this one either.

4. Rear parking sensor display falls out of the header panel. Corrected by dealer.

Other than this I have to say no other issues. I would love to hear your feedback on what item 3 could be related too...dealer tells me the rotor and brake pads appear to be fine.
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #3
Yep, mine has had silly little issues also, the biggest was a leaking right cam cover. Also a couple of front suspension bushings and the upper driver seat bladder. But no real issues in 69K. Come on who's up there?????
 

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98k right now on my 2008 S550. I have replaced intake manifold for $1850.00 and other than that mostly minor (but expensive) issues. Biggest annoyance right now is how squeaky and creaky the car is, every bump or dip in the road and the car creaks and groans like an old man. I have a slight shudder under acceleration that I pretend isn't there so I don't find out I need a new transmission.

jw
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #5
1850 for an intake?? Why? Gaskets I understand but the intake?? Wow. It is a big heavy car and the BMW 7 and the S usually require bushings and suspension work depending on use. The shudder I have found is usually the torque converter so that is much more reasonable than a trans. Service advisor told me many people forget or don't do the 39,000 mile trans service which leads to issues w/ the trans later on. If it wasn't done fluid and filter may help. Correct fluid is very important on our model. Good luck!
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #6
No one is over 100K?? Come on that is usually the guy that is on a forum with issues to address. Slow here lately......
 

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85 300SL Euro,97 SL320,95 S420,07 S550
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1,600 Posts
Be patience I'm on my way ,I bought mine 1 year ago with 43K miles and use it as a limo service ,so I drove almost 50K in 1 year.
Wait a few more month and I'm far ahead of 100K
So far nothing special,Motor mounts,bladder from the seat and memory on the passenger seat all these issues are paid by 3rd party warranty ,unfortunately another 8K miles and the warranty runs out.
Transmission service shouldn't only be done at 39K but every 45K
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #9
Very cool, my driver's side upper seat bladder for the shoulders had a bad valve and would not deflate completely also. MB benz dealer took care of it no charge as I only owned the car a week purchased from them at 68K. She's been a dream so far since!
 

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2008 S550, 2001 E55, 1995 E500, 1988 300E
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100 Posts
I think i'll take the lead here..

I have two S550's
2008 has 122k
2010 has 35k.

My 2008 has needed the following:

motor mounts
transmission mounts
differential guibo (flex disc), i think theres 2.
control arms
sway bar links
tranny service every 40k!! don't forget it or else youre asking for tranny issues

i usually let the stealership do their hour of diagnostic and i buy the parts n swap at my indy shop. save a ton of money.

I am hoping to get a W222 S500 Hybrid soon. 78 MPG!
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #12
I think i'll take the lead here..

I have two S550's
2008 has 122k
2010 has 35k.

My 2008 has needed the following:

motor mounts
transmission mounts
differential guibo (flex disc), i think theres 2.
control arms
sway bar links
tranny service every 40k!! don't forget it or else youre asking for tranny issues

i usually let the stealership do their hour of diagnostic and i buy the parts n swap at my indy shop. save a ton of money.

I am hoping to get a W222 S500 Hybrid soon. 78 MPG!
That's pretty good! I saw on my service records the motor mounts were done along with control arms. My trans service was done late at 65K! I am at 76K now so may do it again for a good flush then every 40K as I have heard. I would say for 122k that is very good for service issues. Didn't hear many good reviews on the w221 hybrid and they are cheaper right now. 78 mpg???!!! That is fantastic for a large car! How much??
 

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2007 S550 and 2008 S550
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50 Posts
I have 2008 S550 4Matic 123K Miles. Also used as a limo and in NYC (worst streets in the country).

I have had a transmission pump and torque converter replaced, a prop shaft, speed sensor (3 times I believe), control arm, tie rod end, all engine and tranny mounts done, a front caliper, rotors all around, along with all regular scheduled maintenance (brakes and oil changes I do myself).

Great cars!!! But a lot of upkeep and lots of money to be spent on parts and labor. Still runs okay but I am now having an issue with what I believe to be a bearing inside of the transfer case. Sounds like it is coming from right inside of where the spline comes out that goes into the prop shaft. I am looking into it now but I think all of the bearings in the transfer case and front differential need to be replaced. Any insight on this greatly appreciated!

Probably time for a new one but gonna have to wait... as we all know these babies have huge price tags. Clients love it though. Much more of a "Limo" than any thing American.
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #14
From all I have read the 4 matic can be troublesome. My biggest concern is the trans. My car had the trans service late but at least it was done. I will probably do it again soon for good measure and a good flush. I don't think anyone is an expert on repairing this trans so I hope to avoid any issues.
 

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OK 103000 miles now on my 2008 S550. Just had it in for new motor mounts, transmission mounts, sway bars and some kind of steering linkage. Had them do a transmission service while they had it.

I have had a slight vibration under acceleration for some time now, it is completely gone. The car also squeaked and creaked badly over every kind of bump; this is also gone. Drives like a new car :)

jw
 

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2007, 129,000, just now feeling vibration in reverse and slight at idle this morning. From what I've been reading on the forums, its motor and tranny mounts, that I've never replace....oh well.
 

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2008 S550 P3 w/ AMG sport package, 2011 Zo6/Z07, 2015 GMC Crew SLT, 1970 GTO
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161 Posts
Discussion Starter #19
I've seen a few s550s 300k+ mi.
Wow this is the highest I have heard. I have heard of several over 150K but not over 200K. I just did an oil analysis on my 7k oil at 79k on motor and they said it was like a new motor with no issues. Great #'s. I am encouraged this is a good car, concurring with all the maintenance records i had at purchase. I am looking to go far w/ it as it is a DD and has been pretty flawless. The comfort and high speed road manners are unmatched as i drive over 150 miles a day.
 

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' 91 350sel, '12 s350, '18 144 sprinter, '08 sl550
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328 Posts
a livery service in my area has a couple s600 s, s550 s, i m thinking there 2010 s or so, i m betting they re at the 300k range now.. i see them almost every day on the parkway.
 
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