FAQs—Mercedes Benz R320
I was driving my Mercedes Benz R320 one night when my engine suddenly stalled. I had to pull over in a shoulder to check what's going on. I tried starting my engine again, but it just won't crank. I had to call the towing services to bring my car home. I still haven't figured out what's wrong with my vehicle. I haven't brought it to the repair shop. What should I look for?
There are several causes for your engine to stall. One of the most common for this particular vehicle is a failed crankshaft position sensor. This sensor is responsible for recording how fast the crankshaft is spinning. The speed is important to notify the car's internal computer for proper fuel injection and ignition. When this part fails, your Check Engine light will most likely illuminate and cause you difficulty in starting your engine. The solution to this is to replace the faulty crankshaft sensor with a new one. It is important to have it replaced immediately to avoid further problems with your engine. When neglected, you may experience cylinder misfiring, acceleration hesitation, and engine vibrations. All these can cause further engine damage, which is costly.
Yesterday was the most embarrassing moment for my Mercedes-Benz R320. My vehicle got stranded in the middle of the highway, under the heat of the sun. I didn't know what's wrong since I've been regularly taking my car to the dealer for care and maintenance. I was really disappointed how it just stopped and won't turn on. What's wrong with my vehicle?
It is such a shame when your vehicle, not to mention that it is a luxury car, suddenly stops and leaves you stranded on the road. While there could be various reasons for this to happen, one of the most common for this particular make and model is due to a failed transmission drive selector module. This module is a very important component as it helps your vehicle to calculate when to change gears for optimum driving performance. When this part fails, it can leave the vehicle stranded. The only solution to this is to have the module replaced with a new one.
I was driving to work yesterday, and it was terribly hot. Suddenly, I operated the fan and it won't switch speed. It worked in high speed, but it didn't work in lower speeds. Should I replace any part of my HVAC system?
Yes. If you have a manual temperature control, then the problem is likely caused by a failed blower motor resistor. This part is important as it controls the speed of the blower motor or fan. This is a common problem, but repair of this part is not that expensive. It becomes faulty overtime when corrosion eats it up. It is also caused by water entry through the cabin air filter areas, especially when it is raining or snowing. When this happens, your resistor fails and needs immediate replacement before it affects the other parts of your HVAC system.