P013E E550 Biturbo
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Super Member
Joined: Feb 2019
Posts: 681
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From: FL
2012 E550 sedan 2019 E63 Wagon
P013E E550 Biturbo
As the title say I have an O2 sensor DTC, and I think is the bottom passenger side.
Thinking of tackling this, but not sure if a lift is required for all 4 sensors.
Done 02 sensors before on other cars, but don't want to bite more than I can chew.
How accessible is this?
Thinking of tackling this, but not sure if a lift is required for all 4 sensors.
Done 02 sensors before on other cars, but don't want to bite more than I can chew.
How accessible is this?
Super Member
Joined: Nov 2011
Posts: 973
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From: Austin, TX
2013 SL550 BiTurbo
the sensors are accessible, it's the connectors that are a pain. All 4 connectors are attached to metal brackets at the top of the transmission housing. I used a lift...it MIGHT be doable without one, but I don't think I'd want to.
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Joined: Feb 2019
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From: FL
2012 E550 sedan 2019 E63 Wagon
Ok thanks, I have slippery hands. Let see if I can reach them.
Got all 4 bosch with the removal tool tax and next day shipping for $200.
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From: Fredonia, WI
2012 E550 v8-Biturbo
Thread Starter
Super Member
Joined: Feb 2019
Posts: 681
Likes: 405
From: FL
2012 E550 sedan 2019 E63 Wagon
Super Member
Joined: Nov 2011
Posts: 973
Likes: 376
From: Austin, TX
2013 SL550 BiTurbo
Don't get me wrong, I don't know if they can be removed with the exhaust on the car, I removed mine to do the job, but I was installing downpipes. You MIGHT be able to get them out with the exhaust in place, but it WILL be a challenge if you can. Sorry, was not my intention to give you false hope...
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Joined: Feb 2019
Posts: 681
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From: FL
2012 E550 sedan 2019 E63 Wagon
Don't get me wrong, I don't know if they can be removed with the exhaust on the car, I removed mine to do the job, but I was installing downpipes. You MIGHT be able to get them out with the exhaust in place, but it WILL be a challenge if you can. Sorry, was not my intention to give you false hope...
Did you have to shift the engine mounts to take your downpipes out?
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Joined: Nov 2011
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From: Austin, TX
2013 SL550 BiTurbo
No, not at all. Also a word of caution. If you do pull the downpipes, make sure you use only hand tools on the collector bolts. I used a 3/8" impact and damaged the nuts, that are pressed into the bridge pipes, and Mercedes doesn't make a proper sized replacement so they suggest you replace the bridge pipes. I used and older, copper "square-nut" and modified them so they would stay in place. It was a pain.
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Thread Starter
Super Member
Joined: Feb 2019
Posts: 681
Likes: 405
From: FL
2012 E550 sedan 2019 E63 Wagon
No, not at all. Also a word of caution. If you do pull the downpipes, make sure you use only hand tools on the collector bolts. I used a 3/8" impact and damaged the nuts, that are pressed into the bridge pipes, and Mercedes doesn't make a proper sized replacement so they suggest you replace the bridge pipes. I used and older, copper "square-nut" and modified them so they would stay in place. It was a pain.
Yeah, got big Bertha (pry bar) to assist me in loosening everything up.
Thanks for the heads up.
Last edited by S. Madman; Oct 8, 2020 at 05:09 PM.
