See also:

2011 Mercedes-Benz GL-Class Review
Let's face it: If you're smitten by Mercedes' GL-Class full-size SUV, the recent run-up in prices at the pump probably rates somewhere between insignificant and unimportant in your car search. Wit ...

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 ...

Starting procedure with the SmartKey
- To start a gasoline engine: turn the SmartKey to position 3 in the ignition lock and release it as soon as the engine is running. - To start a diesel engine: turn the SmartKey to position 2 ...