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Home >> Mercedes Benz >> 2020 >> 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 Right Boost Pressure Sensor Upstream Of Throttle Valve - AR09.41-P-1021MNL

Remove/Install Right Boost Pressure Sensor Upstream Of Throttle Valve - AR09.41-P-1021MNL

Engine 176 in model 217, 222 

Fig 1: Right Boost Pressure Sensor Upstream Of Throttle Valve Components Location - Engine 176 In Model 222
G15362342Courtesy 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
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove right air filter housing.   AR09.10-P-1152MNL 
2 Remove cable duct (4), and place to side TORQUE SPECIFICATION M6 *BA00.10-P-1002-01A 
3 Release and disconnect electrical connection (5)    
4 Unscrew screws/bolts (6), and remove pressure sensor upstream of right throttle valve (B28/21) INSTALLATION IMPORTANT:  Replace sealing ring.  
    TORQUE SPECIFICATION Bolt, boost pressure sensor upstream/downstream of throttle valve *BA09.41-P-1005-01X 
5 Seal opening at charge air cooler using a suitable stop plug SPECIAL TOOL Record plug Fig 2
6 Install in the reverse order    
7 Read out and erase fault memory    
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
8 Perform an engine test run and check engine for proper function    
HEADLESS SCREWS: BOLTS AND NUTS, COARSE-PITCH THREAD

Number Designation Model all (4xWD, CAR, smart)
BA00.10-P-1002-01A M6 8.8 Galvanized Nm 9
Phosphated Nm 9
10.9 Galvanized Nm 13
Phosphated Nm 12
12.9 Galvanized Nm 16
Phosphated Nm 14
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