When to run the compressor on a Mercedes Benz?
The compressor will run when the vehicle exceeds a specified speed between 25 and 35 mph. If a reservoir is low or depleted, it will run the compressor while the engine is idling. If you’ve replaced the fuse and relay for the compressor and it now works, look at the current draw.
Why are the engine mounts on Mercedes Benz cars oil filled?
Engine mounts on Mercedes-Benz cars are oil filled. Their main purpose is to keep the engine vibrations from being transmitted to the cabin. Because they are oil filled, around 100,000 miles, they start to fail and lose the oil.
Why is the compressor not working on my Mercedes W164?
If a reservoir is low or depleted, it will run the compressor while the engine is idling. If you’ve replaced the fuse and relay for the compressor and it now works, look at the current draw. Like all electric motors, when the electric motor starts, it draws about twice the amount of amperage to get the pump moving.
How long does it take to replace motor mount on Mercedes Benz?
Replacing the motor mounts can take between 4 and 6 hours labor. New vs. old engine mount. Failed engine mounts can cause excessive cabin vibrations. Ball joint / front control arm. Ball joints, sway bar link, control arm bushings on used Mercedes-Benz wear out much sooner than you would expect.
What should I replace my ML350 AC compressor with?
Since the root cause of the AC failure was the radiator suction fan, and the 11 year old ML350 had 163,000 on the clock, decided to replace this component as well. Not found on PartsGeek, or PelicanParts; so looked on FCPEuro and OEM Parts.com. OEM was definitely less expensive than FCP, but still spendy at $468.
How much does it cost to replace a ML350 condenser?
At a minimum, replace the compressor and condenser – filled with correct PAG 100 oil ($10), evacuate and recharge with fresh 134a refrigerant ($36). For parts, DENSO is the OEM for the ML350. Called DENSO to order correct model, but they were out of stock.
What causes a cylinder to misfire in a Mercedes?
In most cases, a cylinder misfire is caused either due to old spark plugs that need to be replaced. A failed ignition coil or a bad spark plug wires. If none of the above fixes your misfire problem carefully analyze the fault codes, it is possible that misfire may be indirectly caused by another problem in the engine.
What happens when catalytic converter is clogged in Mercedes?
If your catalytic converter is clogged you will notice a drastic drop in fuel efficiency and real struggle getting your Mercedes to accelerate. If the cat is completely clogged your car won’t even start.