Amg63-

what about its 20" wheels vs the 19" of w212?

does this add weight or extra rolling radius which is bad for acceleration?

gaspam

it obviously doesnt. did you see the acceleration times, they are better

PeterUbers

Technically all 9g tronic are MCT ... and every slushbox with clutch packs are multi clutch

PeterUbers

perhaps it would have better acceleration with 19's...perhaps a set that keeps the outer diameter stock would be nice for straight run track days

gaspam

it would as W212 diameter is 25.7 inch while w213 is 27, so about 5% diff

Vipershade

Unfortunately, the "old" 7g transmission is the 7G-TRONIC PLUS, which is the 2010 redesign of the 2003 7G-TRONIC transmission which was 85% efficiency (the 7G-TRONIC PLUS transmission has a 90% efficiency). So the 9g is still better, just not 7% better.

Amg63-

yea better than the w212 but with 19s it would be even better. I don't get why these cars are fitted with 20s these days...

Amg63-

lol so the 9g tronic is only 2% more efficient at 92% vs 90%?

24Hours

Among the early reviews I've read, the TopGear UK review did the best effort in capturing some acceleration performance of the W213:

With a second person and 40kg of equipment, he used a Realogic timer and got...
* 0-60 in 3.2sec
* Standing 1/4mi in 11.42sec @ 124.3mph

So w/o the second person and crap in the back seat, those figures will be better. I can't wait for the wagon... already planning Euro delivery road trip with the kids.

otakki

Nothing other than cosmetic reason for the ever increasing wheel size. IMO it's beyond the point of diminishing return once you get larger than 18", or maybe even smaller.

Vipershade

The 9g has some other enhancement over the 7g+ (both in efficiency and performance), but from the standpoint of the torque converter, yeah it's a 2% increase (at least from what MB published).

efiftyfizzle

Those numbers are pretty much what a tuned 4matic e63 runs.

Amg63-

id say pretty close but tuned is a little stronger with many 4matics and RWD doing 126-128mph. They both seem to be in same territory in trap speeds.

looks like it will take a tuned w212 to hang with a stock w213.

A tuned w213 will likely walk away rather easily.

gaspam

even if its 2% that is still about another 10-15whp not being lost in the tranny vs our w212

gaspam

not with the extra ~200 lbs of second person/ 88lbs of testing equipment as mentioned above.... add almost 300 lbs to w212 drag race and it will slow it down a bit ... rule of thumb is a 1/10th in 1/4 for every 100 lbs

Vipershade

Agreed...and it's certainly possible that AMG was able to squeeze more out of the 9g with their tuning (when compared to the tuning that they have done with the 7g+).

PeterUbers

no doubt this car will be wicked fast

sounds like a great plan ... this will be the fastest stock wagon on the planet until the new cls63 shooting brake comes out

skratch77

I'm guessing this 4.0 is 2 mated 2.0 inline 4s from the CLA AMG that made 355hp out of a 2.0 turbo 4 cyclinder.

This engine has a little more in it.I would say around 710hp with a tune is doable.dont forget the AMG GT black series is a go and will use this same engine.

Amg63-

thats basically the same power as a tuned m157 5.5 in the current w212 e63.

Actually with catless downpipes it's making about 720-740bhp.

Should be an interesting contest between the old and the new.

I dont think its ever ever been this close before between new and older model generations.

skratch77

just need to wait and see what size turbos they used.

Amg63-

yes forgot to mention that it's very tough to make more torque with smaller displacement.

W212 on tune and catless dp is close 800wtq...

will be surprised if w213 can match it.

gaspam

the turbos in the new e63 are twin scroll vs our current mono scroll.... twin scroll make roughly 20% more hp, this is the reason M5/M6's are able to put out 770+ whp/ 830+ wtrq on their stock turbos

not to mention they are in the engine valley vs underneath the car with bunch of extra piping

the new 4.0 motor with twin scrolls in the valley will make more power than our single scrolls piped underneath the car tuned vs tuned

PeterUbers

technology, bruh.

gaspam

not necessarily ... 2.0L vw golfs are making over 800 wtrq yet is almost 3 times smaller displacement than our engine

https://youtu.be/Fuj7x4Px6zQ

Amg63-

ok so twin scrolls are good for an extra 20% more power vs single scroll.

And an extra 1.5 litre of displacement on the v8 is good for nothing?

if anything i would of thought it should bring it somewhat close when both get tuned.

m5/6 are not just about twin scroll, they are also using 32% larger size turbos.

We still don't know how big the turbos are on w213, but they may be as small as m157 for all we know. Plus another .4 down on displacement as well vs s63tu motor.

The benefit to the smaller turbos for me at least is id rather have the big torque/power kick in earlier in the powerband than up top, so I actually hope they keep it this way for that quicker spool up of the turbos and NA-like throttle response as I experience on the m157.