Recommended replacement interval for the part category Spark plug : 2 year / 20000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ 190 (W201) E 1.8 (201.018), MERCEDES-BENZ 190 (W201) E 2.0 (201.024), MERCEDES-BENZ 190 (W201) E 2.0 (201.024), MERCEDES-BENZ 190 (W201) 2.0 (201.023), MERCEDES-BENZ 190 (W201) 2.0 (201.023), MERCEDES-BENZ 190 (W201) E 2.0, MERCEDES-BENZ 190 (W201) E 2.3, MERCEDES-BENZ 190 (W201) E 2.3 (201.028), MERCEDES-BENZ 190 (W201) 2.3, MERCEDES-BENZ 190 (W201) 2.3 E … View more

The steps may slightly vary depending on the car design.

How to change spark plug, ignition lead and coil on MERCEDES W201 [TUTORIAL AUTODOC]

Alternative products

Spark plug

Replacement: spark plugs – Mercedes W201. Tools you'll need:

                      Wire brush
                    
                      High-temperature anti-seize lubricant
                    
                      Dielectric grease
                    
                      Torque wrench
                    
                      Combination spanner #10
                    
                      Drive socket # 10
                    
                      Spark plug socket # 16
                    
                      Ratchet wrench
                    
                      Phillips screwdriver
                    
                      Crow bar
                    
                      Fender cover

Buy tools

Replacement: spark plugs – Mercedes W201. Professionals recommend:

The replacement procedure is the same for all spark plugs.
Warning! Shut down the engine before starting any work – Mercedes W201.

Carry out replacement in the following order:

Step 1

Open the bonnet.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

Disconnect the earth cable terminal from the battery. Use a combination spanner #10.
Step 4

Unscrew the inlet pipe fasteners. Use a Phillips screwdriver. Use a drive socket #10. Use a ratchet wrench.
Step 5

Remove the fastening bolts.
Step 6

Remove the inlet pipe.
Step 7

Disconnect the spark plug wires from the spark plugs.
Step 8

Clean dirt, dust and debris from inside the spark plug wells.
Step 9

Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
Step 10

Take out the spark plugs.
Step 11

Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
Step 12

Install the new spark plugs into their mounting seats.
Step 13

Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 22 nm torque.

Replacement: spark plugs – Mercedes W201. AUTODOC recommends:
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.
Step 14

Connect the spark plug wires to the spark plugs.

AUTODOC recommends:
Follow the installation sequence.
Step 15

Attach the inlet pipe.
Step 16

Install the fastening bolts.
Step 17

Screw in the inlet pipe fasteners. Use a Phillips screwdriver. Use a drive socket #10. Use a ratchet wrench.
Step 18

Connect the earth cable terminal to the battery.
Step 19

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.
Step 20

Shut off the engine.

Step 21

Remove the fender protection cover.
Step 22

Close the bonnet.

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