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Your emulator has adjustable switches inside which allow you to adjust the settings to best match your specific seat.

Carefully open the rear of the emulator by peeling back the label, and opening the cover.

You will see 3 adjustable switches.

Changing the settings will not harm your vehicle. The most common settings are below, but failing that you can try all 8 possible variations.

W176 - Type 6 (Pre-Facelift), 5, 4, 3

W204 - Type 3 (Pre-Facelift), 5, 6

W212 - Type 6 (Pre-Facelift), 5, 4 ,3

Procedure:

1. Turn the ignition off, take out the key.
2. Change the switch position.
3. Turn the ignition on.
4. Read the codes using diagnostic software (that would be good if you took a photo of them before resetting).
5. Reset the codes.

If it is ok, leave this switch position as it works for your car.

If the seat mat fault code can’t be erased or goes back, repeat the procedure with another switch setting.

How to disconnect it, it's not removable...

Before you go crazy about one of the most common problems – if you have one of the many Mercedes models that has a large yellow connector (including W204, W205, W212, W213, W176, W246, W166 and more) and you can’t disconnect the plugs from this connector in order to connect the emulator, in the video below we present our method:

Click on selected model to scroll to the photos of the seat mat plug:

A-Class:
W168 1997-2004
W169 2004+(two-wired mat)
W169 2004+ (three-wired mat)
W176 (three-wired mat)

B-Class:
W245 2004+ (two-wired mat)
W245 2004+ (three-wired mat)
W246 (three-wired mat)

C-Class:
W202 1997-2001
W203 2000-2004/6
W203 2004/6-2007
W204 2007-2014 (three-wired mat)

CLK-Class:
W208 1997-2003
W209 2002-2003/4
W209 2006-2009

ML-Class:
W163 1998-2005
W164 2005-2011
W166 (three-wired mat)

S-Class:
W220 1998-2005
W221 2005-2013

E-Class:
W210 1995-2003
W211 2002-2003
W211 2003/4-2009
W212 S212 C207 A207 2009-2016
W213

R-Class:
R251 2005-2013

SLK-Class:
R171 2004-2011

Vito / Viano:
W638 1995-2003
W639 2003-2014

A-Class W168

Click on the picture to enlarge

Above, we present pictures of a classic three-wire mat in A-Class.

Sometimes in W168 it may happen that there are five wires in the plug. Such a case is presented in the pictures below:

The emulator should be connected to three wires (white, red, brown). Two black wires leave unchanged.

It is best to connect the emulator outside of the presented connector. For this purpose, cut the mat wires (white, red, brown) and connect the emulator towards the car installation by soldering wires or using little clamp connectors.
Thanks to the fact that the plug visible in the picture stays connected, the two black wires remain connected without any changes.

A-Class W169 and B-Class W245 (two-wired mat)

Click on the picture to enlarge

A-Class W169 and B-Class W245 (three-wired mat)

A-Class W176

The emulator supplied by us has wires in the following colors: white, red, brown.
3 wired seat mat in W176 usually has wires: blue, brown, black.
This information is not important if the emulator is equipped with a plug – just unplug the mat and connect the emulator plug.

• If the seat mat on your car has 2 wires, don’t try to connect 3-wired emulator. As it is written in the item description in the listing, it doesn’t work with 2-wired version.

To connect the emulator which is ended with terminals (not plug), replace the wires in the plug accordingly to the diagram below:

Brown – brown – „GND”
Black – red – „+12V”
Blue – white – signal

Watch our short installation video - it looks very similar as in W212:

B-Class W246 (three-wired mat)

The emulator supplied by us has wires in the following colors: white, red, brown.
The seat mat in W246 usually has wires in the following colors: blue, brown, black.
This information is not important if the emulator is equipped with a plug – just unplug the mat and connect the emulator plug.

To connect the emulator which is ended with terminals (not plug), replace the wires in the plug accordingly to the diagram below:

Brown – brown – „GND”
Black – red – „+12V”
Blue – white – signal

Watch our short installation video:

C-Class W202

C-Class W203 2000-2004/6 mat connector 3 pin
AND CLK-CLASS W209 2002-2003/4

Below we present the connection of the latest version of the emulator – 2in1. The seat mat and seat belt emulator are put in one enclosure which is easier to hide under the seat. The seat mat emulator plug was connected in place of the mat, the seat belt emulator plug – in place of the seat belt buckle.

C-Class W203 2004/6-2007 mat connector 4 pin
and CLK-Class W209 2006-2009

Watch our short installation video:

C-Class W204 (three-wired mat)
and E-Class W212 (three-wired mat)

In W204 and W212, the three-wire mat has two color versions of wires, as shown in the pictures below:

Watch our short installation video:

CLK-Class W208

Click on the picture to enlarge

ML-Class W163

Watch our short installation video:

S-Class W220

S-Class W221

E-Class W210

E-Class W211 2002-2003

E-Class W211 2003/4-2009

Watch our short installation video:

E-Class W213

ML-Class W164 AND R-Class R251

ML W166 (3 wired mat)

In ML W166, the three-wired mat may have two color versions of wires, as shown in the pictures below:

Watch our short installation video - W166 looks similar to W212:

SLK-Class R171

If you bought emulator ended with a plug, before connecting it, check if there is exactly the same color order of wires in the seat mat plug and in the emulator plug. Sometimes the wires order in the plug in the car was different, in this case the wiring sequence should also be changed in the emulator plug before connecting.

Vito W638

Viano W639