Exhaust system — general information (Mercedes-Benz S-Class W140)

Typical design of the exhaust system (using the example of models with the M119 series engine)
G3/4 - Right pre-catalytic lambda probe; G3/4x1 - Contact connector for the wiring of the right pre-catalytic lambda probe; G3/3 - Left pre-catalytic lambda probe; G3/3x1 - Contact connector for the left pre-catalytic lambda probe wiring; 18 - Suspension