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 Research ...

Seat belts
Display messages After starting the engine, the red seat belt warning lamp lights up for six seconds. Possible causes/consequences and ► Solutions The seat belt warning lamp reminds the ...

Safety
The CLS has not been crash-tested by either the federal government or the Insurance Institute for Highway Safety. It comes equipped with seat-mounted side airbags for front passengers and side-c ...