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Mercedes-Benz E-Class

Orientation parameters

The Mercedes-Benz E-Class has 7 orientation parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Lateral acceleration MERCEDES_LAT_ACCConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-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 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

  1. The parameter's name and its ID in the OBDb. Confirmed shows when a response from a real car confirms the parameter.
  2. The clutch mark shows a Connectable, a parameter that Pelican surfaces in its interface.
  3. The service and PID/DID asked for, the control module it's sent to, and how often Pelican asks.
  4. The reply's bytes. The parameter's bytes are blue. Bytes for other parameters in the same reply are grayed out. Hover over a byte to see the parameter it represents.
  5. Where the parameter is in the response, and how Pelican converts the raw value into a value.
  6. A real reply, decoded. The raw value comes first, then the reading.
  7. Which model years have tested this parameter.

Lateral acceleration MERCEDES_LAT_ACCConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-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 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

Lateral acceleration MERCEDES_LAT_GConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-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 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

Longitudinal acceleration MERCEDES_LNG_GConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-Class.

Bits 8 to 23 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 192747) = 0 g

Formula
(val ÷ 192747)
Range
-0.17 to 0.17 g
Unit
g

Confirmed for 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

Longitudinal acceleration MERCEDES_LON_ACCConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-Class.

Bits 8 to 23 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 × 0.05 ÷ 1000) = 0 g

Formula
(val × 0.05 ÷ 1000)
Range
-1.63 to 1.63 g
Unit
g

Confirmed for 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

Master break cylinder pressure MERCEDES_MCYL_BREAKConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-Class.

Bits 96 to 111 of the reply, 16 bits. The value is signed.

0x037D = 893 → (893 ÷ 65.35883831) = 13.663034 bar

Formula
(val ÷ 65.35883831)
Range
-501.34 to 501.34 bar
Unit
bar

Confirmed for 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

Vaccuum cylinder pressure MERCEDES_VACC_BREAKConfirmed

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2021 Mercedes-Benz E-Class.

Bits 144 to 159 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 1000) = 0 bar

Formula
(val ÷ 1000)
Range
-32 to 32 bar
Unit
bar

Confirmed for 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

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.

  • Request22 20 02
  • Service 22DID 2002
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Bits 48 to 63 of the reply, 16 bits. The value is signed.

Formula
(val × 2 ÷ 32767)
Range
-2 to 2 rad
Unit
rad

Confirmed for 2017 to 2021. In testing for 1993 to 2001, 2003 to 2011, 2013 to 2015, 2022 to 2023. Not supported for 2002, 2012, 2016.

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