21
PREVENTIVE DAILY MAINTENANCE  
G5 E6g G716c 
FUEL SYSTEM LEAKS 
Check the fuel system for leaks, includ-
ing the drain plug of the fuel tank.  Re-
pair any leaks immediately.  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ENGINE OIL LEVEL 
The oil dip-stick is situated at the right-
hand side of the engine.  After unscrew-
ing and removing the oil dip-stick check 
the oil quantity in the engine and then 
check the connection of the engine lubri-
cation system for leaks. Maintain the oil 
level between the dip-stick marks.  
 
 
 
 
 
 
 
 
 
 
 
COOLING SYSTEM 
Check the connection of the engine cool-
ing system for leaks and the coolant 
quantity in the expansion tank.  
The expansion tank is accessible after 
lifting of the front hood. Replenish the 
missing quantity up to the upper mark 
indicated MAX. The minimum acceptable 
cooling liquid level is indicated by the 
MIN mark.  
Only release the overpressure 
plug when the coolant has cooled 
down! There is a danger of scald-
ing!