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Home >> Mercedes Benz >> 2020 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbocharging - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Charge Air Manifold - AR09.41-P-1310LFA

Remove/Install Charge Air Manifold - AR09.41-P-1310LFA

Engine 276.8 in model 217, 222 

G15362355Courtesy of MERCEDES-BENZ USA
Fig 1: Charge Air Manifold/Distributor Components Location - Engine 276.8 In Model 222
G15362356Courtesy of MERCEDES-BENZ USA
G15362357Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove upper engine cover    
2 Remove right and left air filter housing (1, 2)   AR09.10-P-1150LFA 
3 Detach ME-SFI [ME] control unit (N3/10)   AR07.08-P-7008LFA
4 Disconnect electrical connection from pressure sensor downstream of throttle valve (B28/7)    
5 Detach check valve (4) at charge air distributor (3) INSTALLATION IMPORTANT:  Replace seal.  
6 Detach engine wiring harness for removal of cylinder head cover   AR01.00-P-2410-02LFA
7 Unfasten clamp (5) on throttle valve actuator (M16/6)    
8 Disconnect electrical connection at throttle valve actuator (M16/6)    
9 Remove screw/bolts (7) and detach charge air manifold (3) with throttle valve actuator (M16/6) INSTALLATION IMPORTANT:  Replace seals (8). Tighten screw/bolts (7) cross-wise from inside to outside.  
    TORQUE SPECIFICATION Screw/bolt, charge air distributor to intermediate flange *BA09.41-P-1001-01R 
10 Detach throttle valve actuator (M16/6) from charge air distributor (3) If necessary.  
      AR07.51-P-1401LFA
11 Remove right adapter (10) or left adapter (11) If necessary.  
    INSTALLATION IMPORTANT:  Replace seals between cylinder head and the respective adapter (10, 11). Tighten screw/bolts (9) from the inside to the outside.  
    TORQUE SPECIFICATION Screw/bolt, intermediate flange to cylinder head *BA09.41-P-1004-01R 
12 Remove sealant residue on both sides on adapters (10, 11) and on cylinder head If necessary.
NOTES
The sealing surfaces on the adapters (10, 11) and on the cylinder head must not have any foreign objects, scratches or grooves. Non-observance leads to leaks between the intermediate flanges (10, 11) and cylinder head, or charge air distributor (3).
 
13 Install in the reverse order    
DANGER 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
14 Perform an engine test run; in doing so check engine for proper operation and leaktightness    
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 276.8
BA09.41-P-1001-01R Screw/bolt, charge air distributor to intermediate flange Nm 9
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 276.8
BA09.41-P-1004-01R Screw/bolt, intermediate flange to cylinder head Nm 9