Mercedes-Benz GLK-Class: Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant.
Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-conditioning system.
Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has a high viscosity, this means that it is thick; a low viscosity means that it is thin. Select an engine oil with an SA ...Brake fluid
WARNING Over a period of time, the brake fluid absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in th ...See also:
Cleaning the sensors
Location of the front sensors
Location of the rear sensors
The sensors must be cleaned regularly to
ensure that they work properly. Clean them with water and a suitable car washing
detergent ...
Manual transmission
Manual transmission
The manual transmission is a fully synchromeshed,
5-forward-speed and 1-reverse-
speed transmission.
The shift pattern is shown on the shift
lever knob. When shifting f ...
The radar sensor and its limitations
In addition to being used by ACC, the radar
sensor is also used by Distance Alert (see
page 164) and Collision Warning with Full
Auto-brake and Pedestrian Detection (see
page 172). This sensor ...