Replacing turbo on S65

It is a long, but fairly common procedure as engine mounts which are a common failure require the same procedure.
Very cool nevertheless. Every time I see the v12 drop out without a snag it brings a smile
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That allowed me to keep all the oil, water, air, fuel, HVAC, ABC and electrical interfaces connected, which saves a great deal of work (and risk). No need to even remove the cold air intakes.
Its still a difficult job, as access to the left upper forward engine mount bolt is blocked by the AC compressor. A high quality E-torx ratchet wrench may help.
Changing the engine mounts was actually a "while I'm at it" activity, as I rebuilt both turbos. The right hand side one was leaking oil and smoking, so I removed and rebuilt both. The turbo rebuild kits, ABC pipes and motor mounts totalled about £400.
Nick
Last edited by Welwynnick; May 11, 2015 at 07:53 AM.
a car in the distance some awful music then he has what looks almost like in the background a badly lit pallet he puts on the ground - its about as usefully informative as Boeing have on why they can't make spaceships that function
I have two questions and would really appreciate your advice:
[1] Please point me in the direction of the Turbo rebuild kits. I have not pulled it apart yet, what brand make model Turbo is used in the 2008 model ?
[2] I was wondering with the MB Star system is there a special transmission map for the W221 5 speed S65 2007 2008 and compared to normal W221 S600s or less ?
Cheers,
Grant
The price out the door put a smile on my face…
johnny
Last edited by johnnyrocket52; Nov 3, 2024 at 03:59 PM.
I didn’t get photos of markings on turbos when I got to replace the 275 in the 221 car.
If you need to replace turbos this is your opportunity to give them the upgrades needed to make more FUN!
I have two questions and would really appreciate your advice:
[1] Please point me in the direction of the Turbo rebuild kits. I have not pulled it apart yet, what brand make model Turbo is used in the 2008 model ?
[2] I was wondering with the MB Star system is there a special transmission map for the W221 5 speed S65 2007 2008 and compared to normal W221 S600s or less ?
Cheers,
Grant




I am having this looked at I think the techs have an Autel system.
I might contact Benzninja so he can dial in to have a look.
Otheriwse I can see this snowballing into a very big bill as the quoted price is $17,363.20 per turbo x 2.
Sounds like the S-Class lady is wanting a diamond ring.....
I was thinking at worst replacing some pipework in the area and then some "turbo reconditioning" if there is a pack ?
Regards,
Grant.
.
Last edited by gfmerc; Nov 10, 2024 at 05:47 AM. Reason: additional info
the intercooler (charge cooler in merc land) is a of a better functional design, being water cooled. But the system leaks coolant and it drops in to moped world... this guy had a new pipe allowing them to refill the charge cooler and it all went in and hydro locked the engine....
I wonder if the always leaky system from new, keeps being topped up with normal tap water and it corrodes / freezes up and pops parts....








