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7G or 7G-Plus? 12 C300 Sport

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7G or 7G-Plus? 12 C300 Sport

Old 01-09-2019, 11:56 AM
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7G or 7G-Plus? 12 C300 Sport

Hi all, I was reading some old threads on preventive maintenance for my 12 C300 Sport and I cant determine which transmission I have. All the vin decoder sites don't tell me much, including the one on here. My car doesn't shut off when stopped at a light, does it mean I have the 7G? I can't tell which color fluid it has either due to the obvious.

427 AUTOMATIC TRANSMISSION 7-SPEEDG
964TRANSMISSION CODE VERSION 64

Also, why does it show its a C280 4MATIC, and not a C300 4MATIC?

Thanks is advance!

Etienne
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Old 01-09-2019, 12:57 PM
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If you have A89 REDUCED-FRICTION, from your data card, this means it is a 7G+
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Old 01-09-2019, 01:48 PM
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You have 7G.
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Old 01-09-2019, 02:12 PM
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Originally Posted by alecmascot View Post
If you have A89 REDUCED-FRICTION, from your data card, this means it is a 7G+
Originally Posted by superangrypenguin View Post
You have 7G.
Thanks^^^ I do have that A89 REDUCED-FRICTION option, so hopefully that tells me something?

Anyone else could confirm?

Thank you!

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Old 01-09-2019, 08:49 PM
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Originally Posted by Etienne_Diecast View Post
Thanks^^^ I do have that A89 REDUCED-FRICTION option, so hopefully that tells me something?

Anyone else could confirm?

Thank you!
So the A89 reduced friction comment brought up by another member is new to me. I am very surprised to hear if you have the 7G Plus. It may just be worth asking your dealer with the transmission oil change interval is on your car. If it's a relatively long figure (here in Canada, the 7G requires fluid changes every 60,000km, then it's the 7G) then it's the 7G plus (longer than 60,000 = 7G plus just so I'm clear).

Does your C300 have direct injection? How much HP does it make?
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Old 01-10-2019, 03:05 AM
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There's another thread where we discussed this, but I can't find it but it basically says that A89 automatically means 7G+ but there are 2011 and 2012 cars that don't have A89 when you decode the VIN yet they came filled with the blue fluid meaning it has a 7G+ transmission. In this case, this could be my car which does not have A89, but it's a 2012 C300 4MATIC Sport.

Mercedes claims that they shifted to the 7G+ in 2010-2011 for the W204. I used to think that only cars with the Eco button for start-stop had the 7G+, but based on the above, apparently that's not the only condition to have it.

I will try to dig up that other thread where a popular forum member here told me all this.
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Old 01-10-2019, 10:08 AM
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Originally Posted by xsever View Post
There's another thread where we discussed this, but I can't find it but it basically says that A89 automatically means 7G+ but there are 2011 and 2012 cars that don't have A89 when you decode the VIN yet they came filled with the blue fluid meaning it has a 7G+ transmission. In this case, this could be my car which does not have A89, but it's a 2012 C300 4MATIC Sport.

Mercedes claims that they shifted to the 7G+ in 2010-2011 for the W204. I used to think that only cars with the Eco button for start-stop had the 7G+, but based on the above, apparently that's not the only condition to have it.

I will try to dig up that other thread where a popular forum member here told me all this.

If you have the oval holes on the bottom of the oil pan, instead of the round ones, you have a 7G+. My 2011 has the 7G+.

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Old 01-10-2019, 10:49 AM
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Originally Posted by superangrypenguin View Post
So the A89 reduced friction comment brought up by another member is new to me. I am very surprised to hear if you have the 7G Plus. It may just be worth asking your dealer with the transmission oil change interval is on your car. If it's a relatively long figure (here in Canada, the 7G requires fluid changes every 60,000km, then it's the 7G) then it's the 7G plus (longer than 60,000 = 7G plus just so I'm clear).

Does your C300 have direct injection? How much HP does it make?
Originally Posted by xsever View Post
There's another thread where we discussed this, but I can't find it but it basically says that A89 automatically means 7G+ but there are 2011 and 2012 cars that don't have A89 when you decode the VIN yet they came filled with the blue fluid meaning it has a 7G+ transmission. In this case, this could be my car which does not have A89, but it's a 2012 C300 4MATIC Sport.

Mercedes claims that they shifted to the 7G+ in 2010-2011 for the W204. I used to think that only cars with the Eco button for start-stop had the 7G+, but based on the above, apparently that's not the only condition to have it.

I will try to dig up that other thread where a popular forum member here told me all this.
Originally Posted by paulo744 View Post
If you have the oval holes on the bottom of the oil pan, instead of the round ones, you have a 7G+. My 2011 has the 7G+.
Thanks all^^^ I just called the dealer, not sure why I didn't think of that sooner, and they confirmed I have the 7G. They did a nationwide search and no transmission fluid change/flush was ever performed with them. Also checked carfax and nothing is noted on there in that regard. I just passed 44k so I'm due for one.

Now looking for a reputable German automotive repair shop!

Thank you again!

Etienne
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Old 01-10-2019, 11:11 AM
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Originally Posted by xsever View Post
...
I used to think that only cars with the Eco button for start-stop had the 7G+, but based on the above, apparently that's not the only condition to have it.
...
2012 M276 W204's don't have an ECO start-stop button. As for the 7G+, I've been under the impression that all M276 equipped W204's have 7G+.
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Old 01-11-2019, 03:04 AM
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Originally Posted by paulo744 View Post
If you have the oval holes on the bottom of the oil pan, instead of the round ones, you have a 7G+. My 2011 has the 7G+.
I found this online too which confirms what you're saying. When my car was getting an alignment, I got under it and I remember seeing the beveled aft pan too which means it should have the 7G+.

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Old 01-11-2019, 10:20 PM
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2012 was a weird year. if you have a m276 you probably have a 7g+ but that means c350 most places. If you have a m272, its possible you have the 7g+ if you have late production. transition years its always worth checking.
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Old 01-12-2019, 02:34 PM
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Originally Posted by xsever View Post
I found this online too which confirms what you're saying. When my car was getting an alignment, I got under it and I remember seeing the beveled aft pan too which means it should have the 7G+.

I got the chance to get under the car today and inspect the oil pan which confirmed that I have the 7G+ transmission as per the pictures below.

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