SL-Class (R231) 2013 on: Discussion on the SL550

SL/R231: Lack of gauges

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Old 04-10-2023, 08:38 AM
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Lack of gauges

I have the base SL, and am disappointed there are no gauges, real or digital. Would like to monitor things like oil temp/pressure, boost pressure, etc. What is everyone else doing? I know your going to say get an AMG, which is probably what I will do in a a few yrs. They have them, right?
Old 04-10-2023, 11:08 AM
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Old 04-10-2023, 06:04 PM
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Originally Posted by Goodwood
I have the base SL, and am disappointed there are no gauges, real or digital. Would like to monitor things like oil temp/pressure, boost pressure, etc. What is everyone else doing? I know your going to say get an AMG, which is probably what I will do in a a few yrs. They have them, right?
No disrespect, but I think the short answer to your question "what is everyone else doing" is...nothing.
Scroll down in this forum and find a discussion about replacing the clock with a Turbo Boost Gauge. Don't know if anyone has done it, as I'm one of the "everyones" I mentioned earlier.
Old 04-11-2023, 02:11 AM
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Originally Posted by Goodwood
I have the base SL, and am disappointed there are no gauges, real or digital. Would like to monitor things like oil temp/pressure, boost pressure, etc. What is everyone else doing? I know your going to say get an AMG, which is probably what I will do in a a few yrs. They have them, right?
I had the facelift model. Oil temp was available from ‘Comand' on the console display.

EDIT - also displayed HP & Torque.

Last edited by rorywquin; 04-13-2023 at 03:49 AM.
Old 04-11-2023, 05:24 AM
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you can get the amg menu coded. it shows coolant, oil and transmission temps
Old 04-11-2023, 05:25 AM
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Per the operator's manual, this feature is only available in AMG models
Old 04-11-2023, 05:27 AM
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Who can code my car? I wouldn't know where to start. Would love to know my oil temp and pressure.
Old 04-11-2023, 05:36 AM
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Originally Posted by Goodwood
Who can code my car? I wouldn't know where to start. Would love to know my oil temp and pressure.
https://www.ebay.com/itm/26321033885...mis&media=COPY
contact this guy if you want hassle free coding. On one dongle he can add more features like eco mode off etc at extra.
you plug into obd2 port and follow steps on nav screen.
i think i have done every possible option for coding.
amg menu, eco start off . Agility mode (which i found unneccessary) and also transmission to start in S mode (this i had to do from another source, i have a tread about it)

video is from my 14 sl550.
starts in S mode for engine and transmission and you can also see amg menu on cluster

https://youtube.com/shorts/l4h205PKL-U?feature=share

Last edited by toi; 04-11-2023 at 05:39 AM.
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Old 04-11-2023, 05:50 AM
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That's exactly what I'm looking for. Thank you!
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Old 04-12-2023, 02:30 PM
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Originally Posted by toi
you can get the amg menu coded. it shows coolant, oil and transmission temps
Isn’t that absolutely insane? The hardware is there, but the factory doesn’t “code” non-AMG cars to show it. Am I missing something, or is that just plain ridiculous?
Old 04-12-2023, 03:04 PM
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Old 04-12-2023, 03:07 PM
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Originally Posted by ToeKneee
Can the AMG "dials" be turned on with xentry?
should be
Old 04-12-2023, 03:11 PM
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Originally Posted by toi
should be
no
not at all

those who want this feel free to msg on our website

also Have 100% exclusive P30 for ABC R231

and much more

Last edited by BenzNinja; 04-12-2023 at 03:13 PM.
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Old 04-12-2023, 03:12 PM
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Originally Posted by BenzNinja
no
not at all

those who want this feel free to msg on our website
well you do this for a living so you’d know better.
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Old 04-13-2023, 11:42 AM
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Originally Posted by rorywquin
I had the facelift model. Oil temp was available from ‘Comand' on the console display.
EDIT - also displayed HP & Torque.
Just adding a pic for reference...


Old 04-13-2023, 11:54 AM
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I am not sure what the oil pressure will give you though. These days where engines don't even have dip sticks anymore due to sensor-based engine monitoring, the pressure gauge somehow feels superflouos. The engine should give you messages well before you would see a drop in pressure.
Come to think of it, I didn't recall seeing oil pressure info on our AMG's. The boost gauge on the other hand provides instant feedback relative to rpm's. Very useful. indicator of engine performance/health...
Old 04-13-2023, 12:29 PM
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Old 04-13-2023, 12:54 PM
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AMG GTC Roadster, E63s Ed.1, M8 Comp. Coupe
Nice classic E-type interior, but the Jag actually has less gauges than the R231
The SL has oil temp vs pressure, which would be more relevant...
Old 04-13-2023, 01:59 PM
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Last edited by rorywquin; 04-13-2023 at 02:04 PM. Reason: repeated
Old 04-13-2023, 02:03 PM
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Originally Posted by Wolfman
Nice classic E-type interior, but the Jag actually has less gauges than the R231
The SL has oil temp vs pressure, which would be more relevant...
I fitted my first car with an oil pressure gauge, water temperature and ammeter - not sure what oil pressure told me but it looked cool.

I always started the (SL) engine and drove at low revs until the oil was up to temperature. It always amuses me to see people who sit in their car idling until the water temperature is ok and then drive the car like the rest of the moving parts are all warm. My observation is that it took 2x longer for the oil to get to the correct temperature vs the water.

I was taught to start the car and drive off (once visibility was acceptable) carefully (low revs) until the car was properly warmed up.
Old 04-13-2023, 03:05 PM
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Originally Posted by rorywquin
I fitted my first car with an oil pressure gauge, water temperature and ammeter - not sure what oil pressure told me but it looked cool.

I always started the (SL) engine and drove at low revs until the oil was up to temperature. It always amuses me to see people who sit in their car idling until the water temperature is ok and then drive the car like the rest of the moving parts are all warm. My observation is that it took 2x longer for the oil to get to the correct temperature vs the water.

I was taught to start the car and drive off (once visibility was acceptable) carefully (low revs) until the car was properly warmed up.
Where we live we are no stranger to sub zero temps (Fahrenheit, not Celsius) and I wouldn't bother waiting for the engine to warm up even then. Modern engines are designed for cold starts and start/stops, so the only time we use remote start is for us to be warm, not the engine
Old 04-13-2023, 03:56 PM
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What car is this from? You mentioned our cars lack dipticks. My 18 SL has one
Old 04-13-2023, 03:59 PM
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I would love to know what my oil temp is, so I know when it's ok to give it the beans. The sw solution above wouldn't be handy enough for me, as accessing that screen is a pia while driving, plus you give up the digital speedo.
Old 04-13-2023, 04:00 PM
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Originally Posted by Goodwood
I would love to know what my oil temp is, so I know when it's ok to give it the beans. The sw solution above wouldn't be handy enough for me, as accessing that screen is a pia while driving, plus you give up the digital speedo.
digital speed is displayed via small font top left of the temps
Old 04-13-2023, 06:09 PM
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Originally Posted by Goodwood
I would love to know what my oil temp is, so I know when it's ok to give it the beans. The sw solution above wouldn't be handy enough for me, as accessing that screen is a pia while driving, plus you give up the digital speedo.
The screenshot I posted is the one you have in your car and it shows the oil temp.
It’s on the Comand Screen -> Vehicle -> Dynamic Select -> Engine Data
You can leave the screen up permanently if desired.

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