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Old 10-28-2007   #1 (permalink)
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Default G7 tiptronic - How to use it.

Hi Folks
How do you folks use the tiptronic as manual gears ?
I like to know how to use it as a manual EFFECTIVELY.
Sometimes as there are 7 gears, I forget which gear I'm in until I see at the console. If you shift down from auto D, does it automatically shift down to the appropriate gear?
Can anyone help?
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Old 10-28-2007   #2 (permalink)
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Quote:
Originally Posted by ellimb View Post
Hi Folks
How do you folks use the tiptronic as manual gears ?
I like to know how to use it as a manual EFFECTIVELY.
Sometimes as there are 7 gears, I forget which gear I'm in until I see at the console. If you shift down from auto D, does it automatically shift down to the appropriate gear?
Can anyone help?
The Touchshift on a 350 does not operate like a real manual transmission (on Canadian/American SLKs, the 350 doesn't have the M setting). I tried the Touchshift many times and to be perfectly honest, I fail to see the benefit of this fake manual gadget. I too would like to have further info on the operation of this system.
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Old 10-28-2007   #3 (permalink)
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The only time I find the Tiptronic useful is when I'm in NY city I like to remain in 2nd or 3rd gear so when I tap on the accelerator the car has instantaneous acceleration. Usually, I keep it revved around 3000-5000 rpm.

Other than that, I find leaving alone in D mode with Sport mode activated to be the best 0-60 time and the best overall performance and fuel economy.

Furthermore, I can't attest that when shifting down gears it actually shifts down to the specified gear but I have downshifted to low gears and the car definitely "feels" (it jerks) as if it is in the specified gear.
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Old 10-28-2007   #4 (permalink)
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Originally Posted by Zut View Post
The Touchshift on a 350 does not operate like a real manual transmission (on Canadian/American SLKs, the 350 doesn't have the M setting).
Really? I only have a US spec 280 but it has M-C-S modes. The M does not have a limiter so you have to watch the redline yourself and shift accordingly. I don't find a big difference between C and S, though the C seems to be smoother and gets a little better gas mileage. I have the steering wheel shift paddles also which I found kinda useless unless you are in a drag race on straights, it is hard to hit the paddles in tight turns. Anyway, I only downshift to decel when exiting the freeway.
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Old 10-28-2007   #5 (permalink)
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Are you talking about manual mode (M on the cluster and currently selected gear) or restricted shift range (S/C on cluster and maximum allowed gear).

Full manual mode (M) on a 350 can only be partly compared to a proper manual because the computer steps in a lot, as for the restricted range its completely useless and should be removed from the system software.

If you shift down from D into a restricted range the computer shifts down to the gear showing in the display you can make it respond to you like a manual by selecting the maximum gear you want it to shift to as the currently selected gear i.e. -

You want 3rd gear you use the paddles to select 3 on the cluster the car shifts into 3rd gear, you then want to upshift to 4th gear so you set the cluster to show 4 and the car shifts up. So long as you stay within the parameters this mode will behave like a manual.

But if your in 3rd gear and you select 5th on the cluster the car will not automatically shift into 5th it might not shift at all or it might only shift into 4th, this is because the gear you have showing on the display is the maximum permissible not the currently selected.

Its for this reason i think it should be removed because its a very misleading system and why anybody would buy a car with 7 gears and tell it only to use 5 i have no idea.

If you have the M button on the console then the car will behave like a manual unless the car is approaching the redline or it is in danger of stalling so this means you must shift when you want it to i.e. -

Your in 3rd gear and you select 5th on the cluster the car now shifts into 5th gear so long as it wont over-rev or stall.

I would just like to point out otherwise i am bound to be corrected the gearbox in the 55 does not operate the same so the above does NOT apply to it.
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Old 10-29-2007   #6 (permalink)
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Good description Dan,

That's exactly how my Aussie SLK 350 with M-C-S works.

I sometimes use the M mode and sometimes manual shift in the C "restricted gear" mode. Why??? you ask with an incredulous look on your face....

... Because I like the way it can take off in second gear in C mode if I'm not trying to drag hard off the line.... but I like to gear restrict it so I have some extra go in 3rd and 4th gears around town. Sometimes I feel that first gear is a little too short.
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Old 10-29-2007   #7 (permalink)
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Thanks mate.

I think i don't get on with the restricted range because of the way its put out to customers as a paddle shift but in reality your not actually doing any shifts.
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Old 10-29-2007   #8 (permalink)
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Quote:
Originally Posted by coolboarder View Post
Really? I only have a US spec 280 but it has M-C-S modes.
Mine is a 2006 SLK350. In 2005, when I bought my car, there were only two settings on the non-AMG 350, i.e. C and S. Someone in another forum told me that only the Canadian and US models were built that way. Maybe Mercedes Benz put the M setting on more recent models. Or maybe I was misinformed!
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Old 10-29-2007   #9 (permalink)
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Zut, You are correct. As I've said numerous times over the past 3 years, the manual mode on my 1997 Honda Prelude is considerably better than that on my SLK 350.
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Old 10-29-2007   #10 (permalink)
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Quote:
Originally Posted by Duo-Art View Post
Zut, You are correct. As I've said numerous times over the past 3 years, the manual mode on my 1997 Honda Prelude is considerably better than that on my SLK 350.
But other than that, isn't our SLK the best thing since sliced bread? I love that car!
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Old 10-29-2007   #11 (permalink)
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Yes, I love my SLK too. The only thing that I don't care for is the 7G transmission. I'd rather have a 5 speed automatic that doesn't have the ability to learn my driving style. I think that the 7G is a sales gimick, nothing more.
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Old 10-30-2007   #12 (permalink)
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Quote:
Originally Posted by Duo-Art View Post
I think that the 7G is a sales gimick, nothing more.
That's a bit harsh. I had already written a response to the tune of "(the best thing since sliced bread), especially when it's actually you, who is in control of the gear changes", but then decided to just let it go. It's still a great car, and not everyone is a control freak like me.

As far as learning transmissions are concerned - they appear to be "a la mode" these days. BMW has them too. In my opinion this is just a band-aid for the fundamental problem that automatic transmissions just pretend to be able to read one's mind.

Last edited by Ikarus; 10-30-2007 at 04:58 AM.
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Old 10-30-2007   #13 (permalink)
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Default tiptronic

Quote:
Originally Posted by JamieS View Post
Good description Dan,

That's exactly how my Aussie SLK 350 with M-C-S works.

I sometimes use the M mode and sometimes manual shift in the C "restricted gear" mode. Why??? you ask with an incredulous look on your face....

... Because I like the way it can take off in second gear in C mode if I'm not trying to drag hard off the line.... but I like to gear restrict it so I have some extra go in 3rd and 4th gears around town. Sometimes I feel that first gear is a little too short.
Hi JamieS
My aussie slk350 has only c ans s mode near the gear shift. !!!

However, when I touch the gear shift to the left, the M appears on the dash board console and it also tells the gear you are in. Is it the same for you or yours is diff ?
Cheers
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Old 10-30-2007   #14 (permalink)
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Thats very weird are you sure it shows an M? where it would normally show S or C
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Old 10-30-2007   #15 (permalink)
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Quote:
Originally Posted by ellimb View Post
Hi JamieS
My aussie slk350 has only c ans s mode near the gear shift. !!!

However, when I touch the gear shift to the left, the M appears on the dash board console and it also tells the gear you are in. Is it the same for you or yours is diff ?
Cheers
Nope! When I touch the gear shift to the left, a 1 appears.
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Old 10-30-2007   #16 (permalink)
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I'll check later, it could be my A200 that was M on dash board. Sometimes i get confused (getting old). I have to put diff key ring so that I can differ which key for which Merc !!!!
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Old 10-30-2007   #17 (permalink)
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Quote:
Originally Posted by Zut View Post
Nope! When I touch the gear shift to the left, a 1 appears.
That is what i would expect to happen if activated at a standstill.
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Old 10-31-2007   #18 (permalink)
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You guys are right. It shows the gear number when I touch gear shift and it must be the A200 that I saw.
Gee cannot pull anything past this forum.
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Old 10-31-2007   #19 (permalink)
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Quote:
Originally Posted by ellimb View Post
You guys are right. It shows the gear number when I touch gear shift and it must be the A200 that I saw.
Gee cannot pull anything past this forum.
You will find some very knowledgeable guys here. DansSlk is a real SLK genius! Personally, I am a what you may call a mechanical illiterate but so far, I found answers to all my questions here.
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Old 10-31-2007   #20 (permalink)
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This is my second car with the 7 speed adaptive trans and once you learn how the machine works I find it a very versatile piece of equipment. The lag time for shifting is predictable and on mine you want to move the shift lever about 800 rpm before you want the car to actually up up shift. My maximum torque range is about 2500 to 4800 rpm if you keep the car in this range it will accelerate and decelerate much the same as a manual. This doesn't mean you have to glue your eye's to the tach but you get to know from a glance where it is and even know the engine sound and feel of the car and about how much difference in rpm each gear has in relationship to the other gears. I can actually chirp the tires on gear changes ( up shifting ) and I never hit the rev limiter as this causes loss time and motion. I find it pretty much the same as what we used to call speed shifting manuals without using the clutch if you know the rpm match of the syncros in the trans you can shift with out using the clutch.
Playing with your equipment and learning to use it to its max is what its all about. I think the reason for the less use of standard trans is that to many people don't take the time to use them right hence you get over rev,s ,blown clutches, shorter engine life and in many cases less predictable performance --- therefore I think the trend forward to the more sophisticated automatic/manuals is what will happen.
OK enough
Just get to know your machine and you will get the max it was designed to do without breaking it.
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