It's the vehicles blind spot monitoring system alerting the driver that there is another vehicle in their blind spot and they shouldn't change lanes.
A car. I have a gl550.
No.... like every other Mercedes, it currently does not. I have a ML 350 and no touch screen is the worst part of the car.
Mitsubishi galant, Mercedes g550, gl550. Pontiac g5,g6
There is no such thing as a GL450 AMG. In fact, Mercedes does not make an AMG GL-Class. There is the more powerful GL550 but otherwise there is the ML63 AMG and G55 AMG GL450~$62k+ GL550~$85k+ ML63 AMG~$95k+ G55 AMG~$124k+
A car. I have a gl550.
The correct weight is listed in your owners manual and possibly of the oil fill cap. The brand you use is your choice. I would recommend 100% Synthetic (any major brand) for this car.
If your referring to Suzuki GS550L. According to a NGK master catalog I have a 198e Gs550, Standard plug is a NGK D8ES, Gold tip NGKD8EV and Platinum NGKD8EVX All gapped ar .028