See also:

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Researc ...

Special seat belt retractor
All seat belts except the driver's seat belt are equipped with a special seat belt retractor. When activated, the special seat belt retractor ensures the seat belt will not slacken once the chi ...

Features & Pricing
The CLS550 starts at $71,300, which seems rather high considering its standard rear-wheel drive; it's $73,800 with all-wheel drive. The E550 with the same engine has standard all-wheel drive for a ...