Orientation parameters
The Mercedes-Benz S-Class has 7 orientation parameters.
● Confirmed◆ In testing○ Supported× Not supported
Lateral acceleration MERCEDES_LAT_ACCConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 24 to 39 of the reply, 16 bits. The value is signed.
0x0000 = 0 → (0 × 15.625 ÷ 1000) = 0 g
- Formula
(val × 15.625 ÷ 1000)- Range
- -512 to 511 g
- Unit
- g
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Lateral acceleration MERCEDES_LAT_GConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 24 to 39 of the reply, 16 bits. The value is signed.
0x0000 = 0 → (0 ÷ 627.6) = 0 g
- Formula
(val ÷ 627.6)- Range
- -52.21 to 52.21 g
- Unit
- g
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Longitudinal acceleration MERCEDES_LNG_GConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Bits 8 to 23 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 192747)- Range
- -0.17 to 0.17 g
- Unit
- g
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Longitudinal acceleration MERCEDES_LON_ACCConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 8 to 23 of the reply, 16 bits. The value is signed.
0x0200 = 512 → (512 × 0.05 ÷ 1000) = 0.0256 g
- Formula
(val × 0.05 ÷ 1000)- Range
- -1.63 to 1.63 g
- Unit
- g
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Master break cylinder pressure MERCEDES_MCYL_BREAKConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 96 to 111 of the reply, 16 bits. The value is signed.
0x0461 = 1121 → (1121 ÷ 65.35883831) = 17.151468 bar
- Formula
(val ÷ 65.35883831)- Range
- -501.34 to 501.34 bar
- Unit
- bar
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Vaccuum cylinder pressure MERCEDES_VACC_BREAKConfirmed
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 144 to 159 of the reply, 16 bits. The value is signed.
0x04DD = 1245 → (1245 ÷ 1000) = 1.245 bar
- Formula
(val ÷ 1000)- Range
- -32 to 32 bar
- Unit
- bar
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.
Yaw rate MERCEDES_YAW_RATEConfirmed
The angular velocity of the car around its vertical axis. Indicates how quickly the car is rotating to its left or right.
- Request
22 20 02 - Service 22
DID 2002 - Module
7E2 → 7EA - Every
250 ms - Testing
Example reply from a 2016 Mercedes-Benz S-Class.
Bits 48 to 63 of the reply, 16 bits. The value is signed.
0x004D = 77 → (77 × 2 ÷ 32767) = 0.0047 rad
- Formula
(val × 2 ÷ 32767)- Range
- -2 to 2 rad
- Unit
- rad
Confirmed for 2016. In testing for 1988 to 2007, 2009 to 2015, 2017 to 2020, 2022 to 2023, 2025 to 2026. Not supported for 2008, 2021, 2024.