Mercedes gives the S550 a seven-speed automatic; there are small buttons at the steering wheel that let you manually shift this gearbox, but these are largely pointless.

The relentless stop-and-go is the perfect opportunity to let Mercedes-Benz 's brand-new flagship sedan, the 2007 S550, show what it can do.

OUR TAKE: The S-Class ushers us back to a time when Mercedes banked its reputation on over-engineered, vault-tight vehicles that felt like they would run forever and never fall apart, with doors ...

The 2007 Mercedes-Benz S550 is definitely more luxurious, definitely sportier, and definitely more expensive. However, it may be the most luxurious sedan of its class, which makes that last "more ...

I told the women to beware of the seats. The front seats in the 2007 Mercedes-Benz S550 sedan can be awfully familiar. They grab, caress and hold you tight about the waist. They sometimes massage ...

Caddy. The S550 deserves praise for its maneuverability and comfort. Certain of my colleagues don't appreciate a Mercedes as much because they're not as sporty as a BMW or an Audi. I won't start ...

ANDREW LUU: For me, the Mercedes-Benz S-Class always had that extra edge in curb appeal compared to the likes of a BMW 750i and Audi A8 and this S500 replacement, the S550, succeeds on taking this ...