When to replace the Spark Plug on your MERCEDES-BENZ A-CLASS
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W169) A 170 (169.032, 169.332), MERCEDES-BENZ A-Class (W169) A 150 (169.031, 169.331), MERCEDES-BENZ A-Class (W169) A 200 (169.033, 169.333), MERCEDES-BENZ A-Class (W169) A 160 (169.031, 169.331), MERCEDES-BENZ A-Class (W169) A 180 (169.032, 169.332) View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Replacement: spark plugs – MERCEDES-BENZ A-CLASS (W169). Tools you need:
High-temperature anti-seize lubricant
Drive socket # E11
Drive socket # 16
Ratchet wrench
Torque wrench
Fender cover
Replacement: spark plugs – MERCEDES-BENZ A-CLASS (W169). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – MERCEDES-BENZ A-CLASS (W169). Recommended sequence of steps:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Mercedes W169 2004 - free PDF and video manuals
    Detach the connector from the ignition coil.
  2. Step 4
    How to replace MERCEDES-BENZ A-Class (W169) A 180 CDI 2.0 (169.007, 169.307) 2005 Spark Plug - step-by-step manuals and video guides
    Unscrew the ignition coil bracket. Use a drive socket #E11. Use a ratchet wrench.
  3. Step 5
    Mercedes W169 A 150 1.5 (169.031, 169.331) 2006 Spark Plug replacement: free workshop manuals
    Take out the ignition coil from the spark plug well.
  4. Step 6
    Changing Spark Plug on MERCEDES-BENZ A-Class (W169) A 160 CDI 2.0 (169.006, 169.306) 2007 by yourself
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  5. Step 7
    How to remove MERCEDES-BENZ A-CLASS A 200 CDI 2.0 (169.008, 169.308) 2008 Spark Plug - online easy-to-follow instructions
    Take out the spark plugs.
  6. Step 8
    How to replace Spark Plug on MERCEDES-BENZ A-Class (W169) 2009: download PDF manuals and video instructions
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Mercedes W169 A 200 2.0 (169.033, 169.333) 2010 - download illustrated guide
    Install the new spark plugs into their mounting seats.
  8. Step 10
    Need to know how to renew Spark Plug on MERCEDES-BENZ A-CLASS 2011? This free workshop manual will help you to do it yourself
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 25 nm torque.
    Replacement: spark plugs – MERCEDES-BENZ A-CLASS (W169). Professionals recommend:
    Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
Comments – 1
  • M. H.
    24.04.2023 15:16
    This tutorial is incorrect for a150 w169, there are two coil packs and they are separate from the sparkplugs
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DIY MERCEDES-BENZ A-Class (W169) Spark Plug replacement - online guide
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