How does the first gear of Mercedes-Benz gl500 affect the second gear?

Solution to the impact of 1st gear on 2nd gear of Mercedes-Benz gl500;

1, the impact of shifting is that the power transmission process is not smooth, and whether the throttle is faulty, damaged or dirty needs to be repaired and cleaned.

2. Check whether the piston of the shock absorber is stuck. It is necessary to remove and inspect the valve body and shock absorber.

3. Check whether the electronic control unit sends control signals to the oil pressure solenoid valve. There is something wrong with the solenoid valve itself, which needs to be replaced, and there is something wrong with the circuit, which needs to be repaired.