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New e550 Is this normal?

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Old Mar 2, 2016 | 12:48 PM
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2011 E550 Coupe P2 Distronic
New e550 Is this normal?

I just bought a 2011 e550 a couple weeks ago and am I loving it. Recently driving on the highway I noticed at around 75MPH the rpm are around 2000. Is this normal for these cars?
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Old Mar 2, 2016 | 12:59 PM
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From: SoFlo
W212 E250 BT 4M
yes,this is what it should be at 75 MPH, its a 5.5L V8 engine
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Old Mar 2, 2016 | 01:06 PM
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2011 E550 P2 4M Sedan
very normal - nice, smooth and quiet. Love highway driving in the E550. Remember to downshift for passing.
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Old Mar 2, 2016 | 01:07 PM
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2011 E550 Coupe P2 Distronic
Oh ok thanks. I thought it seemed kind of high. Didn't really realize how loud this exhaust system is on this car as I didn't take it on the highway for long on the test drive.
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Old Mar 2, 2016 | 01:09 PM
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2011 E550 P2 4M Sedan
loud exhaust is a different question. Mine is very quiet at 75 - mainly here the road, not exhaust. Are you stock?
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Old Mar 2, 2016 | 01:11 PM
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From: SoFlo
W212 E250 BT 4M
Mine is very quiet as well
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Old Mar 2, 2016 | 01:18 PM
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no exhaust noise at that speed for me either and the rpm sounds about right.
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Old Mar 2, 2016 | 01:20 PM
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2011 E550 Coupe P2 Distronic
Well not exactly loud but you can hear it slightly. I am coming from a gs350 Lexus so ya... But also you know the coupe does have an entirely different exhaust note then the sedan.
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Old Mar 2, 2016 | 01:31 PM
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13' E550, 14' Ram, 99' E39 wagon
I can't hear my exhaust at all, I need it louder!
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Old Mar 2, 2016 | 01:33 PM
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2011 E550 Coupe P2 Distronic
Originally Posted by nicobaires
I can't hear my exhaust at all, I need it louder!
Do you have the coupe also?
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Old Mar 2, 2016 | 01:39 PM
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Originally Posted by dubzino
Do you have the coupe also?
Maybe the last owner straight piped it.
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Old Mar 4, 2016 | 02:52 PM
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'17 C63S Estate (S205) / '14 CLS 550 SB (X218) / '17 E220d (S213)
The E-Coupe (C207) is basically a C-Class (W204) and uses a totally different exhaust system compared to the E-Class sedan (W212) and wagon (S212). Also, the C207 has a shorter gearing in the rear differential (M273 5.5 N/A cars only) than the W212 / S212! Therefore RPMs are a bit higher.

Both factors will result in higher interior noise!
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Old Mar 4, 2016 | 11:20 PM
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W212 E550 4M P2
Originally Posted by dubzino
I just bought a 2011 e550 a couple weeks ago and am I loving it. Recently driving on the highway I noticed at around 75MPH the rpm are around 2000.
FWIW, the M278-powered W212 E550 comfortably and quietly loafs at ~1,900rpm at 80mph. Downshift to pass? Nah, max torque is just about peaking / peaked by then.

By comparison, my last car was spinning somewhere around 3,000rpm with much the same redline as the Merc. Seems like a frenetic pace now versus the Merc.
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