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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Electrical System - Engine - 463 Chassis >> Testing & Repair >> Remove/Install Ignition Coils Of Left Cylinder Bank >> Remove/Install Ignition Coils Of Left Cylinder Bank - AR15.12-P-2008XGA

Remove/Install Ignition Coils Of Left Cylinder Bank - AR15.12-P-2008XGA

Engine 176 in model 463 

as of model year 2019 

MODIFICATION NOTES

20.01.2020 Remove heat shield (6). Operation step 6  
20.01.2020 Release side heat shield (7). Operation step 7  
Fig 1: Ignition Coils Of Left Cylinder Bank Components Location - Engine 176 In Model 463 As Of Model Year 2019
G13656572Courtesy of MERCEDES-BENZ USA
G13656573Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
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
  Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. AS00.00-Z-0035-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on avoiding damage to ignition system   AH15.10-P-0002-01V 
REMOVINGINSTALLING Remove/install     
1 Remove left-hand air filter housing.   AR09.10-P-1151XGA
2 Release and disconnect electrical connector (1) of ignition coil for cylinders 5 + 6 (T4/2).    
3 Remove screws (2). TORQUE SPECIFICATION Bolt, ignition coil to cylinder head cover *BA15.10-P-1001-04D 
4 Detach ignition coil for cylinders 5 + 6 (T4/2) upwards and remove. IMPORTANT Ignition coil for cylinders 5 + 6 (T4/2) and spark plug connectors form a unit and can only be removed together.  
5 Release and disconnect electrical connector (3) of ignition coil for cylinders 7 + 8 (T4/3).    
6 Remove heat shield (6). TORQUE SPECIFICATION Bolt, upper heat shield to bracket/side heat shield *BA09.40-P-1006-01ZA 
7 Release side heat shield (7). TORQUE SPECIFICATION Bolt, side heat shield to cylinder head cover *BA09.40-P-1007-01ZA 
8 Remove screws/bolts (4). TORQUE SPECIFICATION Bolt, ignition coil to cylinder head cover *BA15.10-P-1001-04D 
9 Detach ignition coil for cylinders 7 + 8 (T4/3) upwards and remove. IMPORTANT Ignition coil for cylinders 7 + 8 (T4/3) and spark plug connectors form a unit and can only be removed together.  
10 Check ignition coil for cylinders 5 + 6 (T4/2) and ignition coil for cylinders 7 + 8 (T4/3) for damage. If there is a problem,

Replace ignition coil for cylinders 5 + 6 (T4/2) and/or ignition coil for cylinders 7 + 8 (T4/3).
 
11 Discharge approx. Apply about 1 g of spark plug connector grease to the spark plug connector. NOTES
Apply spark plug connector grease to reduce pull-off and attachment forces Otherwise, spark plug connectors are damaged on renewed removal.
 
    Spark plug connector grease *BR00.45-Z-1102-06A 
12 Install in the reverse order.    
13 Read out and delete 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
14 Perform an engine test run and check the engine for proper function.    
TURBOCHARGER

Number Designation Engine 176
BA09.40-P-1006-01ZA Bolt, upper heat shield to bracket/side heat shield Nm 9
TURBOCHARGER

Number Designation Engine 176
BA09.40-P-1007-01ZA Bolt, side heat shield to cylinder head cover Nm 9
IGNITION COIL

Number Designation Engine 176
BA15.10-P-1001-04D Bolt, ignition coil to cylinder head cover Nm 9
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1102-06A Spark plug connector grease A 002 989 80 51