What causes rough o r hard gear shifts in my Mercedes-Benz E-Class after 80,000+ km in Pakistan?

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What causes rough o r hard gear shifts in my Mercedes-Benz E-Class after 80,000+ km in Pakistan?

After crossing around 80,000–100,000 km, some E-Class vehicles in Pakistan begin to experience hard o r rough shifts, especially between lower gears like 2nd to 3rd o r 3rd to 4th. Is this due to worn transmission mounts, old ATF Automatic Transmission Fluid, o r software issues in the 7G-Tronic o r 9G-Tronic systems? Are Pakistani mechanics skipping transmission fluid changes during routine service?

Talha Kyanii asked on 11 Oct 2025 12:54:29 pm

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Gari Master - on 11 Oct 2025 12:55:27 pm

After crossing 80,000–100,000 km, many E-Class vehicles especially W212 and early W213 in Pakistan begin to shift roughly due to wear and neglected maintenance. Reasons include:

Old o r burnt transmission fluid – not changing ATF in time causes friction and solenoid wear.

Worn engine o r transmission mounts – rough roads and speed bumps cause them to wear quickly.

Software calibration issues – after battery replacement o r sensor failure, the gearbox may need adaptation reset.

Carbon buildup o r sensor misreadings – poor fuel quality and dirty intake sensors can affect transmission behavior indirectly.

What Pakistani drivers should do:

Change ATF and transmission filter every 60,000 km, not just when problems occur.

Ask for a gearbox adaptation reset after servicing can only be done via STAR system.

Use Mercedes 236.14 / 236.15-approved ATF – not just Dexron III.

Have engine and transmission mounts inspected every 30,000–40,000 km, especially if you hear clunks o r feel vibrations during gear changes.