Crankcase Ventilation Systems: Maintenance

On all models except 280 & 280C, every 12, 000 miles, clean flame arrestor(s) and check all hoses for chafing and condition. Replace components as necessary.

Fig 1: MERCEDES-BENZ CRANKCASE VENTILATION (FUEL INJECTION MODELS)

Courtesy of MERCEDES-BENZ USA

Fig 2: MERCEDES-BENZ CRANKCASE VENTILATION (280 & 280C MODELS)

Courtesy of MERCEDES-BENZ USA