sfaber

I can't warm my car up at standing still. I only get heat pumping while driving. I replaced the Thermostat but still have the same problem. I would be nice to warm the car up. I have a GLE and the steering wheel and seat heaters only work while driving too!

Scottwax

iTrader: (8)

You shouldn't have to warm up a modern car, let it idle 30 seconds if really cold, then drive away. Warms up faster when driving because the engine is working harder and gets up to temperature quicker. If it warms up normally when driving, not sure there is a problem with your car.

DennisMik

iTrader: (2)

When the engine is idling, there are 2 reasons that combine to not give you heat.

One - the engine is idling. The cylinders are firing at the slowest rate the engine is capable of. Combine this with the fact the engine is not working hard, which means there is a minimum amount of heat being generated.

Two - the engine is idling. The rpm is low and the water pump is not pumping as much water through the heater core.

If the coolant level is low, this also will reduce the heat when the engine is at idle. Check the coolant level in the radiator when the engine is cold before you start the car. If the radiator is not 100% full, you have air pockets and need to bleed the cooling system to get them out.