SL/R231: Spy pics of the next SL Class
https://carbuzz.com/news/spied-first...21-mercedes-sl
Last edited by bob55; May 7, 2020 at 01:15 PM.


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Loved our old SL's and have appreciated them being the best top down drivers with practicality and versatility (useful trunk, full coupe top up, ability to drive throughout the year), but after having the GTC I realize that the drive dynamics are handicapped.
Streamliner prefers the 6 cylinder engine primarily because the car feels more nimble & less front heavy while having sufficient power. I am V8 fan because of the torque and power. Our GTC has more power and yet is more nimble and agile than the SL450. Part of the reason is the front-mid engine. The SL engine sits on top of the front axle while the GT ones sit behind the axle.
It’s also faster than the SL63 while having better traction due to the transaxle (transmission is not attached to the engine and sits on the rear axle via carbon fibre driveshaft. Plus rear wheel steering.
What is missing on that car is the practicality and the ride is AMG-firm. The new SL will likely have variable AWD with torque vectoring and will be softer. So what not to like?
The usual culprits. Softtop and 2+2. Since these spy pics have been posted here a few times before, I will repeat my thoughts.
1. The soft top appears a reality but the spy pics also reveal a high lift trunk lid. This is not needed for a soft top unless a tonneau cover will be used to cover the soft top when down.
2. 2+2. I know people have been complaining about it but am not certain that the cabin size in the spy pics actually can support this. If it's just a piece of upholstery that looks like seats without any actually seating space I am fine with that. That is also nothing new for SL's and nobody complained about those before (R107)
I for one am exited about the car. It will be latest tech for a change. The only thing that will change with a certain degree of certainty is the price. It will go up.
Last edited by Wolfman; May 8, 2020 at 09:29 PM.
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Last edited by slk55er; May 9, 2020 at 05:03 PM.








The R231 full top with mechanics likely clocks in at about 250 lbs or so. A soft top stores in half the space and weighs around 50 lbs. A hardtop mechanism a la Ferrari, McLaren or C8 at around 80 lbs.
If true that the cars cabin grows (more seats), the hard top weight would increase and so would the trunk size unless the roof top is split into two panels (Volvo, BMW 4 series). This adds more complexity, reliability issues, weight and design issues with a glass roof.
While few people in the US care, German companies must comply with environmental regulations in the EU and can be fined Billions of Dollars (well Euros) if they miss CO2 emission targets. This is not some future lofty goal to go after; they have to do this now. So far it looks like Mercedes is missing the 2021 target and is likely facing a 999 Million Euro fine.
https://eandt.theiet.org/content/art...sions-targets/
This is where weight savings and new, smaller engines come into play, even for AMG models. For example, the new AMG C63s will move from a V8 engine down to a 4 cylinder hybrid.
Last but not least, the smaller folding size of a soft top offers more design flexibility. A hard top limits of how the rear-end of the car can be designed.





Said said, in my eyes the AMG feels more like the successor of the original 1957 SL300 roadster than the current SL. A real sports car, endless hood, feel of the road with its suspension, awesome sound, great steering, nimble. So I don't mind Mercedes using the platform and make it luxurious.
So far, the best SL has always been the next one. I am optimistic this will continue




