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Home >> Mercedes Benz >> 2018 >> G550 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Electrical System - Engine - 463 Chassis >> Testing & Repair >> Remove/Install Ignition Coils Of Right Cylinder Bank >> Remove/Install Ignition Coils Of Right Cylinder Bank - AR15.12-P-2009XGA

Remove/Install Ignition Coils Of Right Cylinder Bank - AR15.12-P-2009XGA

Engine 176 in model 463 

as of model year 2019 

MODIFICATION NOTES

20.01.2020 Unclip retaining clip (9). Operation step 4  
Fig 1: Ignition Coils Of Right Cylinder Bank Components Location - Engine 176 In Model 463 As Of Model Year 2019
G13656575Courtesy 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 right air filter housing.   AR09.10-P-1152XGA
2 Remove screw (2) and place cable duct (3) to one side. TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
3 Release and disconnect electrical connector (1) of ignition coil for cylinders 1 + 2 (T4).    
4 Unclip retaining clip (9).    
5 Remove screws (4). TORQUE SPECIFICATION Bolt, ignition coil to cylinder head cover *BA15.10-P-1001-04D 
6 Detach ignition coil for cylinders 1 + 2 (T4) upwards and remove. IMPORTANT Ignition coil for cylinders 1 + 2 (T4) and spark plug connectors form a unit and can only be removed together.  
7 Remove bolts (5). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
8 Remove vacuum line (6) from vacuum pump, seal openings with suitable stop plugs and place vacuum line (6) to one side. SPECIAL TOOL Record plug Fig 2
9 Release and disconnect electrical connector (7) of ignition coil for cylinders 3 + 4 (T4/1).    
10 Remove bolts (8). SPECIAL TOOL Bolt, ignition coil to cylinder head cover *BA15.10-P-1001-04D 
11 Detach ignition coil for cylinders 3 + 4 (T4/1) upwards and remove. IMPORTANT Ignition coil for cylinders 3 + 4 (T4/1) and spark plug connectors form a unit and can only be removed together.  
12 Check ignition coil for cylinders 1 + 2 (T4) and ignition coil for cylinders 3 + 4 (T4/1) for damage. If problems exist,

Replace ignition coil for cylinders 1 + 2 (T4) and/or ignition coil for cylinders 3 + 4 (T4/1).
 
13 Discharge approx. Apply about 1 g of spark plug connector grease to the spark plug connector. NOTES Apply spark plug connector grease to reduce removal and attachment forces. Otherwise, spark plug connectors are damaged on renewed removal.  
    Spark plug connector grease *BR00.45-Z-1102-06A 
14 Install in the reverse order.    
15 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
16 Perform engine test run and check engine for proper operation.    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 9 13
IGNITION COIL

Number Designation Engine 176
BA15.10-P-1001-04D Bolt, ignition coil to cylinder head cover Nm 9
Fig 2: Identifying Record Plug (129 589 00 91 00)
G13656576Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

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