See also:

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overhea ...

S-Class Foundation
The CL-Class is an impressive car for one very good reason: It has everything that helps the S-Class dominate the full-size luxury-sedan market. Stretched taut over a coupe form, the sedan's hands ...

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 Resea ...