LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Boost Pressure Sensor >> Remove/Install Left Boost Pressure Sensor Downstream Of Throttle Valve - AR09.41-P-1030MNL

Remove/Install Left Boost Pressure Sensor Downstream Of Throttle Valve - AR09.41-P-1030MNL

Engine 176 in model 217, 222 

MODIFICATION NOTES

04.05.2021 Check sealing ring at pressure sensor downstream of left throttle valve (B28/22) for damage. Operation step 6.  
Fig 1: Left Boost Pressure Sensor Downstream Of Throttle Valve Components Location - Engine 176 In Model 222
G15362346Courtesy 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
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove left charge air cooler. Engine 176 in model 217, 222 With small lower coolant expansion reservoir for low-temperature circuit AR09.41-P-6827MNL 
    Engine 176 in model 217, 222 With large lower coolant expansion reservoir for low-temperature circuit AR09.41-P-6827MNP 
2 Release electrical connector (1) at pressure sensor downstream of left throttle valve (B28/22) and disconnect. Engine 176 in model 217, 222 With small lower coolant expansion reservoir for low-temperature circuit  
3 Remove screws (2). TORQUE SPECIFICATION Bolt, boost pressure sensor upstream/downstream of throttle valve *BA09.41-P-1005-01X 
4 Remove pressure sensor downstream of left throttle valve (B28/22).    
5 Seal opening with suitable stop plug. SPECIAL TOOL Record plug Fig 2
6 Check sealing ring at pressure sensor downstream of left throttle valve (B28/22) for damage. If there are problems,
↓
Replace pressure sensor downstream of left throttle valve (B28/22).
 
7 Install in the reverse order.    
8 Read out fault memory and delete if necessary.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
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
9 Perform an engine test run and check the engine for proper function.    
CHARGE AIR LINE/CHARGE AIR COOLING

Number Designation Engine 176
BA09.41-P-1005-01X Bolt, boost pressure sensor upstream/downstream of throttle valve Nm 6
Fig 2: Identifying Record Plug (129 589 00 91 00)
G12078802Courtesy of MERCEDES-BENZ USA