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Pelican Technical Article:

Seat Removal

Tom Morr

Time:

30 minutes30 mins

Tab:

$0

Talent:

*

Tools:

E12 Torx socket, 17mm wrench or socket, ratchet, extension

Applicable Models:

Mercedes-Benz R170 (1998-04)

Performance Gain:

Access to repair seat mechanisms, upholstery and carpeting
Original equipment Recaro seats in R170 SLKs are premium thrones. As such, most owners will likely want to repair them should their mechanisms or controls fail or their leather upholstery sustain damage.

The job is fairly straightforward. Four male Torx bolts secure each seat to the floor. An additional bolt holds the seatbelt to the seat's frame. The most difficult part of the job is possibly lifting the seat out of the car without scraping its frame on other parts of the car. 

Even if you choose to have someone else work on your seats, they're easy enough to remove yourself. We used the passenger's seat to demonstrate. The driver's side has additional electrical connections and requires more agility to extract with the steering wheel in the picture.
Move the seat all the way back and remove the plastic covers from the front mounting rails.
Figure 1

Move the seat all the way back and remove the plastic covers from the front mounting rails. The forward bolts are then accessible (one per side).

Next, move the seat all the way forward to uncover the two rear mounting bolts.
Figure 2

Next, move the seat all the way forward to uncover the two rear mounting bolts.

The manual specifies unbolting the seatbelt â€Ã...
Figure 3

The manual specifies unbolting the seatbelt "end fitting" (secured under the plastic cap) before undoing the seat's rear mounting bolts. We went rogue and freed the seat first.

Tilting the seat creates room for a socket.
Figure 4

Tilting the seat creates room for a socket. Otherwise, a wrench will need to be used, since clearance between the belt bolt and door sill is tight.

Next, connections for the seat heaters and power adjusters can be unplugged.
Figure 5

Next, connections for the seat heaters and power adjusters can be unplugged.

The seat is now free.
Figure 6

The seat is now free. The manual recommends sliding the seat rearward on its mounting rails. This should minimize the potential for scraping the rails on the car's body during removal.

The hydraulic height-adjustment system is now accessible, should it need repair or replacement.
Figure 7

The hydraulic height-adjustment system is now accessible, should it need repair or replacement. Reinstallation involves inserting the "arresting bolts" (arrows) in the holes on the floor. Torque specs are 50 Nm for the seat bolts and 35 Nm for the seatbelt fitting.

The job requires an E12 (female) Torx socket and a 17mm wrench or ratchet/socket/extension.
Figure 8

The job requires an E12 (female) Torx socket and a 17mm wrench or ratchet/socket/extension.

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Comments and Suggestions:
martin Comments: Hi. Slk230 2001 both of my electric seat stop working check fuses ok.. I read about k24 relay that control both seats but I can't find it, l open the entire front left by the cluster and is no there .....any ideas . Suggestions thank
February 21, 2016
  Followup from the Pelican Staff: I don’t have the location info.

I would grab a repair manual. It will have it.

Give our parts specialists a call at 1-888-280-7799. - Nick at Pelican Parts
 
Kelley Comments: I have a 2001 SLK 230 with power seats when I ran the drivers seat all the way forward I could not move it back all other controls on the seat work I can't get to the front bolts to remove the seat. Any suggestions
December 5, 2015
  Followup from the Pelican Staff: You will have to remove the manually move the seat. Remove the drive motor and turn the adjustment gear by hand. - Nick at Pelican Parts  
Josh Comments: Great article. My hydraulic height adjuster is leaking and no longer lifts up and down on the passenger seat. 98 slk230 R170. Do you sell the replacement strut/adjuster?
August 25, 2015
  Followup from the Pelican Staff: We can get you something. Give our parts specialists a call at 1-888-280-7799. They can help you find the right part.
- Nick at Pelican Parts
 
David Comments: On that last response - I want to remove 2000 SLK230 manual driver seat to repair seat heater - do I need a MB scan tool to reset an error? Is this available other than dealer? I have a cheap Harbor Freight OBD/CAN scanner now.
August 19, 2015
  Followup from the Pelican Staff: You will need an advanced scan tool to clear the fault. Mercedes-Benz shops should have one. - Nick at Pelican Parts  
Laurie Comments: Wanting to take seats out of my 1998 SLK230 to put seat covers on. Is there any other issues I could run into except what has been mentioned above?
June 5, 2015
  Followup from the Pelican Staff: Other than setting airbag faults, no. - Nick at Pelican Parts  
klatu Comments: Nick I don't have power seats in my slk230 they are manual operated. Can't get the seat to slide forward or the knob on the back support to rotate for and aft
T
December 31, 2014
  Followup from the Pelican Staff: OK. You can try releasing the sliding track. Reach under the seat and locate the lever, it will connect to both side of the seat rail. Try to manually release it. - Nick at Pelican Parts  
klatu Comments: My driver side seat is stuck and will not move forward. Suggestions? Manual seats 2000 230 slk. Tried lubricant on seat rail no luck. Replace seat?
December 31, 2014
  Followup from the Pelican Staff: This could be a bad switch or module. I would start by checking the vehicle for fault codes. If the system is not working properly, a fault code will be set. This will be your best bet when diagnosing.
- Nick at Pelican Parts
 
lee Comments: Was wondering if removing a seat from a 1998 Mercedes slk 230 would trip a airbag light or srs light and if so are the lights self resetting?
September 23, 2014
  Followup from the Pelican Staff: Yes it can. You will need a Mercedes-Benz scan tool to reset the light. - Nick at Pelican Parts  

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