What is the difference between benz s550 and cls 550 engine?

Probably Fuse 38

It's not the best of charts
https://www.mercedesmedic.com/sl-class-r230-fuse-chart/

Fuses - Mercedes-Benz 2011 SL550 Roadster Operator's ...

https://www.manualslib.com > ... > Operator's manual
Mercedes-Benz 2011 SL550 Roadster Manual Online: Fuses. Introduction The electrical fuses in your vehicle serve to switch off malfunctioning power circuits.

Fuse Box Diagram Mercedes-Benz

https://fuse-box.info > Home > Mercedes-Benz
Fuse box diagram (location and assignment of electrical fuses and relay) for Mercedes-Benz CLS-Class (CLS220, CLS250, CLS350, CLS400, CLS500, CLS63) (W218/X218; ...

https://www.google.com/search?q=2011+Mercedes+SL550.+fuse+garage+door+controller

....

Operate the HAZARD switch to toggle them off.

check e/parking brake is off -problem can be a few reasons this forum explains most https://mbworld.org/forums/s-class-w221/221407-first-problem-my-08-s63-any-s550-had.html

The best way to reset it is to have the problem repaired that caused it to come on. Another way is to disconnect the battery negative cable for a few minutes and then reconnect it. This may cause other problems - loss of presets on the radio, and possibly loss of radio functionality if you don't have the appropriate code. And, depending on what caused the light to come on initially, it may just come back on soon after you start driving again.

http://www.benzworld.org/forums/w221-s-class/1528377-how-reset-service-d-reminder-s550.html

Try the above link. Read it all and you should get there.
Good luck

In the owner's manual.

Like this...

It could be a vacuum hose leaking.

Yes Mercedes Definetily offers a lease program for them, HOWEVER, the dealers will try to push for you to lease a New-they will say cheaper-believe it IS NOT you can save Big Bucks going with a Brand Spanking Used Lease. Good Luck
My Ride.
2007 CLS 550 Blk/Blk AMG Package Fully Loaded MSRP $80,000
39 Month 10K $1178per month Toyal Out pf Pocket Was $3000.00