Recommended replacement interval for the part category Oil filter : 12 month / 15000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ SLK (R171) 300 (171.454), MERCEDES-BENZ SLK (R171) 350 (171.458), MERCEDES-BENZ SLK (R171) 280 (171.454), MERCEDES-BENZ SLK (R171) 350 (171.456) … 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

All the parts you need to replace – Oil Filter for SLK (R171) and other MERCEDES-BENZ models

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Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Tools you need:

                      Wire brush
                    
                      All-purpose cleaning spray
                    
                      Torque wrench
                    
                      Combination spanner #13
                    
                      Drive socket # 8 
                    
                      Drive socket # 13 
                    
                      Oil filter cup socket 74/15F
                    
                      Ratchet wrench
                    
                      Oil drain pan
                    
                      Funnel
                    
                      Flat Screwdriver
                    
                      Microfibre towel
                    
                      Fender cover

Buy tools

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Tip from AUTODOC:

Replace the oil filter every time when changing motor oil.
Use only new O-rings during installation.
Wear gloves to prevent contact with hot liquid.
Please note: all work on the car – MERCEDES-BENZ SLK (R171) V6 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the hood.

Step 2

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

Step 3

Unscrew the oil filler plug.
Step 4

Lift the car using a jack or place it over an inspection pit.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Professionals recommend:
The vehicle must be on even keel, and if it is at an angle, the drain plug must be at the lowest point.
Step 5

Undo the fasteners of the oil pan lower cover. Use a drive socket #8. Use a ratchet wrench.
Step 6

Remove the oil pan cover.
Step 7

Put a waste oil container with at least 9 l capacity under the drainage hole.
Step 8

Clean the area of the oil pan drainage hole. Use a wire brush. Use all-purpose cleaning spray.
Step 9

Unscrew the drain plug. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
Step 10

Drain the used oil.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Tip from AUTODOC:
Caution! The oil may be hot.Wait until the oil has completely drained from the drainage hole.
Step 11

Clean the oil filter housing cap.
Step 12

Unscrew the filter housing cap together with the old filter element. Use the 74/15F socket. Use a ratchet wrench.
Step 13

Prepare a container for the old oil filter.

Step 14

Put the old oil filter in the container.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. AUTODOC recommends:
Move up the container. The oil starts to drain out of the drainage hole immediately after you have removed the oil filter.
Step 15

Cover the oil filter housing with a microfibre towel to prevent dirt and foreign objects from getting into the system.

Step 16

Detach the oil filter from the filter cover.
Step 17

Remove old o-rings from the oil filter cover. Use a flat screwdriver.
Step 18

Clean the oil filter housing cap. Use all-purpose cleaning spray.
Step 19

Install new O-rings and a new oil filter to their mounting seats on the filter cover.

Please note!
Make sure to install the filter correctly. Don't mix up the sides of the part.
Step 20

Lubricate the rubber seal of the new filter with a little amount of fresh oil.

Step 21

Remove the microfibre towel from the oil filter housing.

Step 22

Install a new oil filter housing cover and tighten it. Use the 74/15F socket. Use a torque wrench. Tighten it to 25 Nm torque.
Step 23

Clean the area of the oil pan drainage hole.
Step 24

Screw in the new drainage plug and tighten it. Use a drive socket #13. Use a torque wrench. Tighten it to 30 Nm torque.
Step 25

Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
Step 26

Reinstall the oil pan lower cover.
Step 27

Tighten the fasteners of the oil pan lower cover. Use a drive socket #8. Use a ratchet wrench.
Step 28

Lower the car.

Step 29

Remove the oil filler cap.
Step 30

Insert the funnel.
Step 31

Pour oil into the engine through the filler. Required amount of oil: 8 L.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Tip:
Use the oil recommended by the manufacturer.
Step 32

Install the oil filler cap.
Step 33

Tighten the oil filler cap.
Step 34

Switch on the ignition.

Step 35

Check the oil level using the on-board computer. Top up oil if necessary.

Step 36

Run the engine for a few minutes. After the oil pressure warning light goes out, stop the engine. Switch off the ignition.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. AUTODOC experts recommend:
Make sure that the oil filler cap is properly tightened.Check the threaded plug of the drainage hole and the oil filter seal for tightness. If necessary, carefully tighten them up.
Step 37

Remove the fender protection cover.

Step 38

Close the hood.

Replacement: engine oil and filter – MERCEDES-BENZ SLK (R171) V6. Tip from AUTODOC:
Note that oil pressure warning light, which indicates insufficient pressure in the lubrication system, may be on for a longer time than usual. After a few seconds, the oil will fill all the channels, and the light will go out. To protect the environment from pollution, be sure to dispose of the used filters at special collection points.

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