Mercedes-Benz GLK body resonance, seat numbness how to return a responsibility?

There are three main reasons for this phenomenon: 1, excessive carbon deposition; 2. The engine is on fire; 3. The rubber pier of mechanical claw is aging.

If there is too much carbon deposit, the service technician needs to remove the throttle and intake manifold to observe whether there is too much carbon deposit in the throttle and intake manifold.

If there is an engine fire, the maintenance technician needs to retrieve the engine fire data with a special automobile detection computer to judge whether the car body vibrates due to the fire.

If the claw-shaped rubber pier is found to be aging, the maintenance technician needs to hoist the car with a winch to observe whether the claw-shaped rubber pier is lowered, cracked and aging, resulting in abnormal sound of the car body.