2015 Ward's 10 Best Interiors Nominee: Mercedes S550 Coupe

Brushed aluminum handle provides backseat access.

Like sedan, coupe offers massaging seats and ability to dial up intensity for lower or upper back.

Suggested retail price of '15 S550 4Matic coupe is $119,900, but options push sticker to $149,575.

Impeccable fit and finish is S550 hallmark.

Flat-bottom steering wheel unique to coupe.

Designo Bengal Red exclusive Nappa Leather costs extra $3,250.

Central controller intuitive, easy to use and carries over from sedan.

Glow Red one of seven shades of ambient lighting easily dialed up.

Ambient lighting wraps around instrument panel and into footwells and door handles.

Deep blue ambient lighting makes lasting impression.

Back seat reasonably comfortable for smallish adults.

Retracting lever presents seatbelt at startup.

Retracting lever presents seatbelt at startup.