Possible causes of shocks when shifting gears in a Mercedes automatic transmission
Mechanical problems:
* Worn friction discs or bands
* Faulty solenoids or sensors
*Transmission fluid leak
* Torque converter problems
* Malfunction of automatic transmission control module
Electrical problems:
* Malfunction of engine or transmission speed sensors
* Damage to wiring or connectors
* Problems with the engine control unit
Software problems:
* Malfunctions in automatic transmission software
* Outdated or corrupted software
Other factors:
* Insufficient level or old transmission fluid
* Clogged automatic transmission oil filter
* Incorrect transmission fluid
* Excess weight or improper operation of the vehicle
Troubleshooting:
To eliminate shocks when shifting gears, professional diagnostics and repairs are required. Typically the procedure includes:
* Checking the level and condition of the transmission fluid
* Scan the system for fault codes
* Physical inspection of automatic transmission components
* Replacement of worn or faulty parts
* Reprogramming the automatic transmission control module
Preventing shocks:
The following tips can help prevent shifting shocks:
* Maintain your automatic transmission regularly, including changing the fluid and filter
* Avoid sudden acceleration and shifting
*Use the correct transmission fluid for your vehicle.
* Do not overload the car
*If you notice any signs of shaking, contact your auto repair shop immediately