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Interesting they mention removal of the transmission pan to do a rear main seal in the engine.
Remove all four struts? Sure seems like exhaust can come out without all the above mentioned drama..... I really doubt exhaust is one piece from cats to tailpipes. Sure reads as a good deal for the dealership at $250 or more/hour.
Oh... My bad! $350.00/hr. Good god! I’ve not needed to have the 221 or 222 S-65 at the dealership.
Glad for you that CPO picked up that one!
yep, 350, clown world prices. If i was out of warranty id take to an indy but I'm terrified of them since my luck has been 50/50. A big job like this id be slightly more comfortable with a dealer.
Interesting they mention removal of the transmission pan to do a rear main seal in the engine.
Remove all four struts? Sure seems like exhaust can come out without all the above mentioned drama..... I really doubt exhaust is one piece from cats to tailpipes. Sure reads as a good deal for the dealership at $250 or more/hour.
100% Agree on the rear strut removal. I can't imagine why. Maybe they just unbolted them from the control arm to free up the rear axles so they could pull the diff back a little. Otherwise it makes no sense.
I thiink they removed the transmission pan in order to be sure there was no possibility of it leaking. When @Vanquish59 posted the pictures of the spots on the garage floor, it looked like tranny fluid to me. Better safe than sorry
Car has returned. They replaced rear main seal, 2 oil separators. All under CPO warranty. All in all ~ $10500. Attach picture of work history. High trans temp didn't show up either.
Question
Did they fully drain the trans oil and refill or just a top off?
What would the residue in the engine oil be?
They removed the transmission pan so it was completely drained and refilled.
That's the most comprehensive set of technichian notes I've ever seen! I think you're in for a long time of trouble free miles. Congrats on getting your fully rebuilt car back
They removed the transmission pan so it was completely drained and refilled.
That's the most comprehensive set of technichian notes I've ever seen! I think you're in for a long time of trouble free miles. Congrats on getting your fully rebuilt car back
haha!. Finally back, been driving it nonstop for 3 days, missed the feel of a real mercedes. I drove a s580, gle450e, gls580, and I can tell u, they all feel weak, soft, and like a feather. Doesn't feel strong at all. Getting back into the s63, u feel the strength, heaviness, and weight of a solid Mercedes ud feel back in the early days. So far so good, no leaks, nttn. Knock on wood. It's a 6y old car but still turns heads. U rarely see them nowadays. In 7 months of waiting, I've only seen it twice. Small small rough idle here n there, but nttn crazy. Very few cars out there besides supercars that will compete with a s63, imo.
Last edited by Vanquish59; Mar 18, 2025 at 05:57 PM.
Squealing/high pitched wine coming from the front of the engine, right by the fan. Bearings? Alternator? No cel. Noise pops up after the car has been driving for a good 10-20 minutes while IDLE. (This is the primary major issue). Attached audio.
Front pads are already worn out. I replaced the front ones with powerstop's (Z231291) 9 months ago, and drove them only 3 months. 6 months of sitting and they are already flattened. Stuck piston? Calipers? Kind of weird. I did notice the tire temperature of my front left is about 8 degrees higher than my right (can be because its worn down more). I ordered the high performance version instead (Z261291)
Well, since you just had the majority of the front of your car torn down to replace the two defective OVS units I would say they installed something incorrectly and it is now rubbing. Probably the cooling fan. Either that or it is a bad bearing. Your shop should be able to diagnose pretty easily.
Squealing/high pitched wine coming from the front of the engine, right by the fan. Bearings? Alternator? No cel. Noise pops up after the car has been driving for a good 10-20 minutes while IDLE. (This is the primary major issue). Attached audio.
Front pads are already worn out. I replaced the front ones with powerstop's (Z231291) 9 months ago, and drove them only 3 months. 6 months of sitting and they are already flattened. Stuck piston? Calipers? Kind of weird. I did notice the tire temperature of my front left is about 8 degrees higher than my right (can be because its worn down more). I ordered the high performance version instead (Z261291)
I agree that whoever did the work on your friend and to take a look at that fan and claim that possibly through insurance that's something that got damaged or identify if this is gonna be fixed under warranty, but it's really sounds like it's related to the fan or a belt pulley near the fan itself. (My iPhone can't play the mp3)
regarding your brakes, how are you driving? How do you brake? Are you an aggressive person in terms of your braking style? When you say flattened, what's the millimeters remaining on your pads and are both pads wearing evenly? Are these on your stock rotors or which rotors are you using with your pads? Is this the second set of pads you've gone through and how did your first fare? How many miles did you drive in those three months and how often were you using the brakes? Was it Highway driving or City driving?
while you were driving with these brakes that are now spent, how was the braking performance?
Last edited by PeterUbers; Mar 27, 2025 at 09:35 PM.
I agree that whoever did the work on your friend and to take a look at that fan and claim that possibly through insurance that's something that got damaged or identify if this is gonna be fixed under warranty, but it's really sounds like it's related to the fan or a belt pulley near the fan itself. (My iPhone can't play the mp3)
regarding your brakes, how are you driving? How do you brake? Are you an aggressive person in terms of your braking style? When you say flattened, what's the millimeters remaining on your pads and are both pads wearing evenly? Are these on your stock rotors or which rotors are you using with your pads? Is this the second set of pads you've gone through and how did your first fare? How many miles did you drive in those three months and how often were you using the brakes? Was it Highway driving or City driving?
while you were driving with these brakes that are now spent, how was the braking performance?
First set of pads on brand new brembo rotors. Aggressive driving. Maybe 5k total miles. Changed 9 months ago front. The rears i changed almost 2 years ago and they still have a lot of life. Both front and rear pads were put on brand new aftermarket brembo rotors.
First set of pads on brand new brembo rotors. Aggressive driving. Maybe 5k total miles. Changed 9 months ago front. The rears i changed almost 2 years ago and they still have a lot of life. Both front and rear pads were put on brand new aftermarket brembo rotors.
usually the rears burn out faster with all the rear traction control and stability assist with aggressive driving; you seem to have the opposite experience.
5k miles with aggressive driving and the fronts are toast? Dang, I guess that could happen, people that track their cars get maybe two or three heavy track sessions out of a set of pads so 5k miles? Why not. It's a heavy car the s63, too.
usually the rears burn out faster with all the rear traction control and stability assist with aggressive driving; you seem to have the opposite experience.
5k miles with aggressive driving and the fronts are toast? Dang, I guess that could happen, people that track their cars get maybe two or three heavy track sessions out of a set of pads so 5k miles? Why not. It's a heavy car the s63, too.
daily spirited driving s/s+. Attached pic. Pretty odd seems to be decreasing in an angle. No track days. Rotors still seem ok tho right? Brakes are ok, no issues cept crease noise. Stop power has decreased slightly. Ngl, oem has better grip but I'll take ceramic no dust over oem anyday.
Last edited by Vanquish59; Mar 28, 2025 at 12:23 AM.
daily spirited driving s/s+. Attached pic. Pretty odd seems to be decreasing in an angle. No track days. Rotors still seem ok tho right? Brakes are ok, no issues cept crease noise. Stop power has decreased slightly. Ngl, oem has better grip but I'll take ceramic no dust over oem anyday.
no bueno - not supposed to wear like that / install may be bad, issues with slide pins etc you may be correct about stuck caliper slide pins - hence your aggressive wear
no bueno - not supposed to wear like that / install may be bad, issues with slide pins etc you may be correct about stuck caliper slide pins - hence your aggressive wear
Hmm, wonder what could have gone wrong with the slider pins? Essentially hammer out, hammer in. Feel like the 6 months of sitting screwed things up. Rust, corrosion couldve caused it to seize up, who knows. These cars should never sit. Still drives ok though, cept the crease noise. Rears are fine, only front.
Last edited by Vanquish59; Mar 28, 2025 at 02:17 AM.
daily spirited driving s/s+. Attached pic. Pretty odd seems to be decreasing in an angle. No track days. Rotors still seem ok tho right? Brakes are ok, no issues cept crease noise. Stop power has decreased slightly. Ngl, oem has better grip but I'll take ceramic no dust over oem anyday.
and why is this brake pad sliding out of this caliper - same on other side? Who installed these?
Pads look fine to me, the Powerstop pads do have beveled ends so that can make the pads look thinner than they really are. Also, the pads are not sliding out, that is how they sit in the caliper. I have 25K on my Powerstops and they still have about half the meat left front and back. Maybe it is just the angle of the pics but you appear to have most of the pad left.
and why is this brake pad sliding out of this caliper - same on other side? Who installed these?
myself, followed the documentation to the tee, even changed caliper bolts, which are one time, and torque speced them. Replaced rotors, cleaned caliper bracket, installed pads.
Pads look fine to me, the Powerstop pads do have beveled ends so that can make the pads look thinner than they really are. Also, the pads are not sliding out, that is how they sit in the caliper. I have 25K on my Powerstops and they still have about half the meat left front and back. Maybe it is just the angle of the pics but you appear to have most of the pad left.
Rears definitely are wearing out evenly. Fronts are wedged. Also when I apply the brakes, I hear the slight metallic contact coming from front. Anyways, I already ordered the high performance version of the powerstops(Z261291), will be changing them next Tuesday, will post pics. Ever tried the Z261291?
Last edited by Vanquish59; Mar 28, 2025 at 11:56 AM.
I have the Z26 pads on the fronts and the Z23's on the rears. They have worked flawlessly. What do you mean by wedged, if you mean they are wearing more towards the inner circumference of the pad vs the outer or vice versa then that is typically caused by the pad hanging up on the slide pin. if you are talking about the chamfered edge on both sides of the pad that is how they are made from the factory.
I have the Z26 pads on the fronts and the Z23's on the rears. They have worked flawlessly. What do you mean by wedged, if you mean they are wearing more towards the inner circumference of the pad vs the outer or vice versa then that is typically caused by the pad hanging up on the slide pin. if you are talking about the chamfered edge on both sides of the pad that is how they are made from the factory.
The wear looks wedged. The inners seem more cooked than outers. I had z23 on both front and back. Can months of sitting cause the slide pin to seize? Are we talking about the two long nails that you have to hammer in or the bolt that goes into the rubber boot?
Did you grease up the slide pins? I'm sure you installed them fine - the pic just seems weird and wedged like you said - my calipers don't look like that I'll try and snap a pic
is your pic there the front or rear caliper and pad?
Did you grease up the slide pins? I'm sure you installed them fine - the pic just seems weird and wedged like you said - my calipers don't look like that I'll try and snap a pic
is your pic there the front or rear caliper and pad?
On the AMG 6 piston front calipers, there is no slide pin other than the pins that hold the calipers in place. They are a fixed caliper with 3 pots on each side that equally compress. The rears do have a floating caliper though with slide bolts that mount the caliper to the caliper bracket. If you are saying that the inner pads are wearing faster than the outer pads that would indicate a sticky piston on one or both of the front calipers. Very unlikely that both calipers have sticking pistons though. I would pop the front wheels off and remove the pins and pads and do a true visual inspection. Hopefully it is all just an optical illusion based on the limited view you currently have of the pads.
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