Where is the high-pressure head of the Mercedes-Benz R350 air conditioning system located?
2 Answers
The high-pressure head of the Mercedes-Benz R350 air conditioning system is located under the hood, on the left side of the engine. The operation method is as follows: Open the driver's door of the Mercedes-Benz R350, pull the hood release lever located on the left side of the driver's leg area, lift the engine hood upwards, and secure it with the support rod. Ensure the support is sufficiently firm to avoid any unnecessary hazards. The Mercedes-Benz R350 is a station wagon launched by Mercedes-Benz with a top speed of 230 kilometers per hour, a maximum engine power of 200 kilowatts, and a maximum torque of 350 Newton-meters. It is currently available in three colors: champagne gold, silver gray, and black.
I know this is a pretty common question, since I own an old Mercedes-Benz R350 myself. The high-pressure port for the AC system is usually located in the engine compartment, near the AC compressor, marked by a red cap. When you open the hood, look from the driver's side—it's on the pipeline next to the firewall and can easily be blocked by other components. Once when I tried to recharge the refrigerant myself, I almost couldn't find it and wasted half a day. The pressure at the high-pressure port is extremely high, and improper handling could cause gas to spray out, potentially harming people or damaging parts. So, it's best not to mess with it yourself and let professionals at a repair shop handle it safely. AC maintenance involves refrigerant chemicals, and any leakage could pose health risks. Specifically, it's located on the right front side of the engine, near the battery box area—Mercedes designs are generally like this, not too far off. Just remember the location; no need to handle it yourself.
