Ml270cdi 2003

[dav65uk]

Have noticed just recently occasionally transmission holds onto first gear when first starting of in morning and won’t allow you to use tiptronic gears
If you restart engine then fine , will gearbox oil change help car only done 133k
Any advice appreciated

 

[mersum1es]

Usual check list for 5G transmission problems; oil level, TCU and socket oil contamination. Then oil change if not done recently.