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Home >> Mercedes Benz >> 2016 >> Metris Van Cargo >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine -- Mixture Formation (1 Of 2) -- 447 Chassis >> Testing & Repair >> Remove/Install Oxygen Sensor Downstream Of Catalytic Converter - AR07.04-S-0085EG

Remove/Install Oxygen Sensor Downstream Of Catalytic Converter - AR07.04-S-0085EG

Model 447, 448 with engine 274 

Fig 1: Oxygen Sensor Downstream Of Catalytic Converter Components Location - Model 447 With Engine 274
G16484717Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
REMOVINGINSTALLING Remove/install     
1 Remove air filter housing   AR09.10-S-1150EG
2 remove electrical connection (1) from bracket (2)    
3 Remove electrical line (3) from clamp (4)    
4 Disconnect electrical connection (1)    
5 Remove oxygen sensor downstream of catalytic converter (G3/21) INSTALLATION IMPORTANT : Apply heat-resistant lubricant to the thread of oxygen sensor downstream of catalytic converter (G3/21).
TORQUE SPECIFICATION Oxygen sensor downstream of catalytic converter
*BA07.04-Z-1003-01KON 
    Paste, hot lubrication 1 kg, DBL 6879.20 *BR00.45-Z-1005-06A 
6 Install in the reverse order    
INSPECT Check     
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
7 Check leaktightness of exhaust system when engine is running IMPORTANT Visual inspection only.  
SENSORS

Number Designation Engine 274 in model 447 Engine 274 in model 448
BA07.04-Z-1003-01KON Oxygen sensor downstream of catalytic converter Nm 50 50
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste, hot lubrication 1 kg, DBL 6879.20 A 000 989 76 51