Does anyone know the pros and cons of air suspension?
I have air, and my last two loaners were springs. Greatly prefer the air over the coil springs personally because the freeway and bumpy pavement ride is so much nicer. I have a non-performance S with 21" continentals.
It should be easy to test drive both but I think unless you are primarily interested in cornering performance (in which case you should be getting a P or P+) you'll love the air.
ps. I have tracked my S85 and it handles very nicely for such a heavy car. Very little body roll, excellent braking with no fades, super acceleration...... except the limiter comes on after the first 3 laps :-(
I just took delivery of my P85 with air suspension. I guess I do not understand the concept in this car. If I drive more than 5 MPH the suspension automatically lowers to standard. I just had a MB S550 and once the suspension was active, it stayed at the higher level until I choose to disengage it.
What is the point of being able to lift the car only momentarily? What if I want constant clearance in snow conditions? I can't maintain the height and there's no setting to keep it engaged. Thoughts? Am I missing something?
@allenjohansen: They did not raise the car, and nowhere is 3". They just changed the parameters of when the car is lowering to low.
and 1/2'd the amount Low lowers the car :)
I agree, there should be an available advanced setting that allows the owner to customize the air suspension setting. I would love to have the car go lower at a lesser speed and also allow the car to stay raised up to high or very high at any speed that I choose (especially if I'm driving in the snow or on a road with potholes). Tesla is being a little too protective here.
I routinely use the air suspension to raise the car to get into steep driveways and for loading onto ferries. It seems that we can keep it in "Very High" up to 8 or 9 mph, which is adequate for ferry loading and steep driveways. I don't recall at what speed it changes to standard height, but it is a higher speed.
I think that there has to be limits to the speed in high and very-high mode to accommodate for the air suspension taking care of its other tasks associated with bumps and potholes.
I have the air suspension, I see no benefit.
It was pointed out by allenjohansen that the 'fix' was for the car fires was to 'raise' the suspension by 3". This is factually incorrect. The air suspension 'standard' setting - the lowest 5.8 allows, and which was unchanged in 5.8, is the same height as the coil suspension.
I actually think the air suspension feels less connected to the road than coil suspension, and without any statistics to show the benefits of the now gone 'LOW' setting, I'm not sure what other than raising the car to avoid curbs is.
We have ordered it because :
- the usual reasons mentioned in all air suspension discussions (steep driveways, heavy snow, etc.).
- if we ever have to carry something heavy in the trunk, our S will stay level hence have more even tire wear and also avoid blinding other drivers at night because the vehicle is not level any more (very important point as we hate to cross vehicles that blind us);
The energy efficiency never came in play when we decided to opt for that option.
I do hope that Tesla allow a bit more control over this air suspension. The bulk of my driving will be in and around Brussels which is bedevilled with cobbled streets, potholes, tram-tracks and speed humps; not to mention the kerb I have to get over to my drive which then slopes downwards...
So I would prefer to keep it on maximum height until I'm outside the city.
I am reasonably sure the alignment specs call for a higher ride height on the coil cars than air at Standard. This is also the reason air cars have higher spec'd negative camber values resulting from the lower ride height and camber gain in the suspension.
Does someone have Tesla's alignment specifications with ride heights to confirm?
I have an audi A5 and I can't find any ground clearance specs on it. I have a steep driveway, which, if I hit at an angle is no problem. Is the MS lower than an A5? I didn't order the suspension with my 85, but I'm thinking I need to, if its not too late.
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