ML550 still starts in 1st gear even when 'anfahren im 1. gang' is set to inactive

Dec 2, 2020 | 05:59 PM

Martijn

Thread Starter

Newbie

Joined: May 2016

Posts: 9

Likes: 2

2010 ML550

ML550 still starts in 1st gear even when 'anfahren im 1. gang' is set to inactive

Hi,

I would like my 2010 ML550 W164 to start off in second gear (in comfort mode), like most other models do.
By design the car does not have any explicit C/S/M drive mode, but with Vediamo I selected both C and M, so I can toggle between both.
I checked the setting 'anfahren im 1. gang' in Xentry which is disabled.

Does anyone know how to make a W164 take off in second gear?
In manual mode I always take off in second gear as I find the first gear too short for any normal use other than off-road and towing.

Thanks.

Last edited by Martijn; Dec 2, 2020 at 06:01 PM. Reason: added screenshot

Dec 4, 2020 | 05:34 PM

Martijn

Thread Starter

Newbie

Joined: May 2016

Posts: 9

Likes: 2

2010 ML550

After enabling in Xentry 'FPC-Anzeige' I can now see which driving mode is actually selected and it turns out that the default driving mode is 'S' not 'C'. I also see 'Standard' selected in the transmission unit in Xentry.
This explains the car starting in first gear I guess.

Quote:

(Instrument Cluster >> Diagnosis to plant specifications >> Control unit adaptations >> Variant coding >> Variantenkodierung >> FPC-Anzeige:enable)

Something seems incorrect with the VGSNAG2 Manager decoding; the default hex code suggests that the default mode is 'C':

VGSNAG2 Manager default value

When I add/enable S, M and A then C, M and A become available.

Now the new issue is: the car drives horrible in C mode; the car barely shifts, only >3k rpm regardless of speed/throttle.
When I toggle back to S everything is back to usual.

Does something go wrong with the VGSNAG2 Manager part or does the C driving mode need some reprogramming/calibration or so?

Thanks for any insights!

Dec 29, 2020 | 11:00 AM

Martijn

Thread Starter

Newbie

Joined: May 2016

Posts: 9

Likes: 2

2010 ML550

I finally managed to fix this issue:

I copied the values of the following 'variantpointers' from a default ML63 HEX string, which has natively the C/S/M option:

Quote:

Switchprogram-DrivingProgram = 06
Switchprogram-Hill = 06
Switchprogram-Vehicle = 06

which correspond to bytes 12, 13 and 14.

After copying these values the car now starts in second gear and the Comfort mode actually drives less sporty / lower RPM.

If anyone knows what these variant pointers do, please chime in!

Thanks.

Working settings

A default ML63 HEX string

Last edited by Martijn; Jan 5, 2021 at 12:24 PM.

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