E-Class (W211) 2003-2009

C/S button

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Old Aug 3, 2014 | 07:40 PM
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Merci2Mercedes's Avatar
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E280 cdi Avantgarde 2007 & Ford Focus
C/S button

Can anyone tell me what the C/S button on my 2007 E Class does in more detail?

I usually have it set on S, but should I change this for motorway driving etc and does it have any affect on fuel consumption on either setting.

Thanks for reading.
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Old Aug 3, 2014 | 08:13 PM
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jimbo1763's Avatar
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From: Coastal Georgia, USA
2007 E350 Sedan
Originally Posted by Merci2Mercedes
Can anyone tell me what the C/S button on my 2007 E Class does in more detail?

I usually have it set on S, but should I change this for motorway driving etc and does it have any affect on fuel consumption on either setting.

Thanks for reading.
The C stands for Comfort. Essentially, the transmission skips first gear and shifts at less aggressive RPM's on the other gears.

The S stands for Sport. The transmission works through the entire range of gears and shifts at generally higher RPM's than when it is set at C.
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Old Aug 3, 2014 | 08:47 PM
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E280 cdi Avantgarde 2007 & Ford Focus
Thanks for the info/reply.
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Old Aug 3, 2014 | 11:30 PM
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'13 E350 . M276
Also, when you're in the C comfort setting and you're backing up, it's a little bit of work for car, as transmission at this point starts in second gear.
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Old Aug 4, 2014 | 10:59 PM
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E280 cdi Avantgarde 2007 & Ford Focus
Thanks for info/reply.
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Old Aug 8, 2014 | 04:15 PM
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2004 E 500
Should there be any throttle drag while in C vs. S? Most automatics don't provide for engine braking to any great extent, but mine seems to act more like a standard than an automatic, even in C mode. Just curious, as it's my first Mercedes.

When you let up off the gas, it engine brakes, as opposed to coasting along.
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Old Aug 15, 2014 | 06:56 PM
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2018 C300 Coupe
^
This should only happen at low speeds, is normal and is supposed to help driving in "stop-and-go" traffic conditions. My understanding is that it's not engine braking. It's the hydraulic brake system automaticly being lightly applied.
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Old Aug 15, 2014 | 08:24 PM
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From: Dominican Republic
06 E280
Mine feels lighter in stop and go traffic in C mode, but C mode gives me worst MPG so i just leave it in S.
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