LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Complete Engine (1 Of 2) -- 223 Chassis >> Testing & Repair >> Remove/Install Cylinder Head Cover >> Remove/Install Right Cylinder Head Cover - AR01.20-P-5012SVZ

Remove/Install Right Cylinder Head Cover - AR01.20-P-5012SVZ

Engine 279 in model 223 

G16189459Courtesy of MERCEDES-BENZ USA
G16189460Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.
AS18.00-Z-0001-01A
Notice  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on threaded connections with aluminum screws/bolts   AH00.00-P-0006-01RM
REMOVINGINSTALLING Remove/install     
1 Remove right charge air cooler.   AR09.41-P-6828SVZ
2 Remove right ignition coil.   AR15.12-P-2009SVZ
3.1 Disconnect electrical connector on camshaft Hall sensor (B6/3). When reusing cylinder head cover (6).  
3.2 Remove camshaft Hall sensor (B6/3). When replacing cylinder head cover (6). AR15.10-P-1999SVZ
4 Remove coolant hose (1) from coolant line (2). SPECIAL TOOL Hose clamp pliers Fig 1
5 Remove vacuum line (3) from cylinder head cover (6) and place to one side. INSTALLATION IMPORTANT Replace cable tie.  
6 Remove electrical wiring harness (4) from cylinder head cover (6) and place to one side. INSTALLATION IMPORTANT Replace cable tie.  
7 Remove vacuum line (5) from cylinder head cover (6) and place to one side. INSTALLATION IMPORTANT Replace cable tie.  
8 Disconnect electrical connection from secondary air pressure sensor (B89).    
9 Remove screw (7).    
10 Remove air pump with bracket.   AR14.30-P-7251SVZ
11 Remove electrical wiring harness (8) and place to front.    
12 Unscrew screws (9) in reverse order of tightening procedure and remove cylinder head cover (6).    
REFER TO BASIC KNOWLEDGE Tightening procedure for right cylinder head cover INSTALLATION IMPORTANT Ensure that cylinder head cover gasket is seated correctly.
INSTALLATION IMPORTANT Replace screws (9) and cylinder head cover gasket.
GF01.20-P-5012-01SVZ 
    TORQUE SPECIFICATION Screw/bolt, cylinder head cover to cylinder head *BA01.20-P-1001-01T 
13 Install in the reverse order.    
INSPECT Check     
14
REFER TO MAINTENANCE
Check, correct engine oil level.   AP18.00-P-1812A
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
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
15 Carry out engine test run and check engine for leak tightness.    
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 279
BA01.20-P-1001-01T Screw/bolt, cylinder head cover to cylinder head Stage 1 Nm 4
Stage 2 ∠° 120
Fig 1: Identifying Hose Clamp Pliers (454 589 00 37 00)
G16163101Courtesy of MERCEDES-BENZ USA