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Hello.

I have retrofitted MRCC for my CX5 2017, it worked but have a problem with Stop&Go.
- In case, if AutoHold is turn off (not enable) I got this message: "Mazda Radar Cruise Control Disabled under 20 mph".



- If AuoHold is turn on (enable), no message at any speed, MRCC working well and can decrease to 5km/h, but not complete stop, I must manual depress the brake pedal to stop.

I dont know why I need to turn on Auto Hold to using MRCC because Stop&Go MRCC will take care of it automatically no mater your auto-hold is already enable or not.
 

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I decided to retrofit my Mazda 3 2018 with MRCC

After some research yesterday I finally complete the retrofit

I ordered these parts besides the radar.

Controller
GHP9-67-YA0
1
Cover (R) Sensor
GRT6-67-Z31A
1
Cover (L) Sensor
GRT6-67-Z32A
1
Bracket Rad.Grille
B63C-50-716
1
Cord Short
GHP9-67-SH0
1
Rear Channel Upper Bolt
9974-00-510B
6
Lock Support Bolt
9KK8-00-620B
8
Ornament
DD2F-51-730
1
Bracket Radar Sensor
B63C-67-XA2
1
Stay Bracket
GHP9-67-Z71
2

The Radiator support core for the non MRCC model is different and is missing the bolts to attach the brackets. so I had to think on a solution for this.

so I made the nuts with a M6 rivet nut kit that I ordered on amazon https://www.amazon.com/gp/product/B01M59GTH8/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1


then I had to do the wiring. so I added two lines for the can hi and can lo on a joint connector that is located near the windshield water tank.
add ground and +12v ignition from the correct circuit.

I also added the as-build values for mrcc and distance support.

the only thing left is the calibration that I hope will get done this night.
BAEK-67-XA1C and yes it works
List of items for CX-5 2017-2018 second generation

Distance Sensor
KD7J-67-XA1A
X 1

Bracket Rad. Grille
KB8B-50-721
X 1

Cord Short
GHP9-67-SH0
X 1

Rear Channel Upper Bolt
9974-00-510B
X 7

Lock Support Bolt
9KK8-00-620B
X 4

Ornament Emblem
TK79-51-730
X 1

Bracket Radar Sensor
KB8C-67-XA2
X 1

Cruise Switch
B68T-66-4M0A
X 1
Hi, whats the part number of MRCC Stop & Go Mazda CX5?
 
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