The newcomer posted a post for the first time, asking for a lot of advice. I bought this small Benz from a second-hand car dealer near my home in mid-August 2023, and it has been in use for nearly 2 months.
Let’s share my personal experience:
Car purchase process:
At that time, the paint was very good in the second-hand exhibition hall, and the interior was also very new, but I felt that the engine was very shocking as soon as I hit the car, and even more so when I turned on the air conditioner. The reception told me at that time that there was something wrong with the machine mat, and the follow-up help was ready. Later, I continued to look at the report and maintenance records, and there was only one (rear bumper spray painting), and then several pairs of ordinary spray paint. The maintenance record is only 1W km of 4S, then there is no maintenance record. At that time, the actual meter was more than 5W km. I checked the kilometers of the computer and the mileage of the ignition switch. There was no problem with the whole car. It is that the number of ownership transfers is a bit high (at the beginning, I still doubt whether the real meter is really 5W + km, and there is a general argument behind it), the comprehensive kilometer and this year are hot-headed, and then I handed in the money and took it. It is said that this insurance is really expensive, because considering that there are many trucks that often run on the national highway, so buy full insurance 300W + car damage insurance, traffic insurance itself, except for traffic insurance, the price of commercial insurance still goes to 9K. Heartache
two。 Experience of using:
The last car was driven by a Honda crv 2.0. the biggest advantage of this car is that it won’t break down. I haven’t changed the light bulb for seven years, but the disadvantage is also obvious. in terms of workmanship, the power and the texture of the soundproof chassis are really poor, mainly because I still feel almost interesting when running on the highway, but the power is general, but I may be bored with it, so I feel like I’m using a German car in my heart, and I don’t have much budget. Gu chose this E200L and actually checked the relevant information before buying it. Except for a few common faults, this M274 does not seem to have any serious problems. I feel that I should be able to handle it. In fact, what I am most afraid of buying the old German system is to throw you by the side of the road every three days. This kind of thing should be more embarrassing to anyone who encounters it. After buying it, I began to study in the forum. During this period, I collected the maintenance experiences of many other riders. I collected them one by one. On the second day of picking up, I ran a long distance of 300 + kilometers. at that time, when the legs were ready, the effect was completely different from what I had seen that day. The whole car was as stable as without a car. After running on the highway, the experience was good, steady and solid, and it could give a different feeling, including the interior decoration opened the door or felt the luxury of that year, and the materials did not shrink. At that moment, the OS in my heart was worth it.
3. The road to preparation:
In the forum to learn the strict version / he version of the content reply, as well as the experience of other riders, as well as some recommended stores, a falling I have a collection, according to the above guidelines I began to buy a complete series of things: the first thing to get back is oil / machine filter / air conditioning filter / differential oil / gearbox oil filter element / brake oil / brake pad Kylin complete set / spark plug The engine oil uses the man brand of machine filter (5W40 bought by jd). The air-conditioning filter is recommended by Hebei merchants in strict edition, and the main hit is cheap. Differential oil uses Mott GR300 (as if I bought 2 bottles and then off the shelves, then out of stock, I don’t know if it’s out of production, bought at X Bao E Station) gearbox oil and gearbox filter / gearbox gasket are also replaced by a full set of 9L sets bought by Mercedes-Benz House recommended by the forum. Brake pads are the classic Golden Kirin full set purchase installation, spark plugs from the purchase of X Cat NGK. Aika Forum is really a good thing, it can really make people take a lot of detours, and after it is determined, the construction will begin. The post is relatively long (including maintenance / repair / minor modification, etc.), and my language expression ability is not good. I hope this post will be helpful to friends who want to start. Ladies and gentlemen, here comes the big picture:
Wash it clean and drive it to transfer ownership
I have to say that the car wash is really clean, and the engine compartment is no different from the new car.
Run more than 300 kilometers with fuel consumption.
Take the car to add the mileage of the first tank of oil.
As mentioned above, the car was trembling when I saw the car for the first time, and the dealer had a cooperative repair shop and changed a full set of feet for me. After I went to pick up the car, I saw the box on the ground and looked at it. Except that the foot of the gearbox is “owl’s”, the other two feet do not seem to see the box, and it is not clear what fake goods have been exchanged for me, anyway, it is like changing a car. (anyway, I didn’t pay for it here, so I’ll exchange it for whatever.)
The following is the beginning of the whole equipment is their own back to the maintenance, replaced the JD water and oil slope shell 5W40 dosage: 6L (on the middle line, so did not add)
When picking it up for the first time on the shelf for maintenance, this picture changes the gearbox oil (the torque converter screws removed according to the guidelines of the forum), which should release a total of 9L of oil. I bought a full set of gearbox filter element + gearbox gasket + full set of gearbox screws + torsion screws + amount of 9L gearbox oil. All pushed in, OS: the store doesn’t have a torque wrench. I mean, look at the feel. It seems to have been open for two months.
A total of 9L original gearbox oil was used.
The spark plug removed seems to have not been replaced by the original factory. Following the above (5W + km real table), here is the first confirmation point. No problem is replaced by NGK SILZKFR8E7 (my engine is M2749202.0T). You should check the other engines yourself.
After removing the spark plug, I asked the boss to take a look at the endoscope. Before I saw it, I thought there should be a lot of carbon accumulation. after reading it, I saw it clearly with the QR code (here is the second confirmed real table). The owner of the repair shop also said that according to the removed maintenance and maintenance parts and the overall car condition, it is worthy of this mileage.
Forum differential recommended oil, Mott GEAR300, bought at X Bao E home, just bought off the shelves the next day, may be doomed for me to change this , later learned from the forum has stopped production, bought a total of 2L, the rest should be about 300ML, according to the method of the forum cleaning operation, and then released (here it is suggested that the brothers who have not been changed have been changed, the oil released by the original factory is darker than gutter oil)
Uh.. Differential here twist screw does not seem to be very easy to twist, a little angle, forgot to fight no torque, anyway, there is no oil leakage.
A full set of gold Kirin brake pads recommended by the strict edition of the forum
Replacement of brake pads + four-wheel maintenance, maintenance set sent by Golden Kirin. Put it on.
Replacing. The axle head is polished and greased. This picture doesn’t seem to have been taken. I stared at the repairman all the time.
I started to buy the guard plate on the left side of the cab, because one day I saw a hole below, so I bought it and changed it.
The owner of the auto repair shop and I laughed at the back. The second-hand car can always surprise you. Here on the right, the original owner just hung up and cut it. So quickly X Bao bought it and asked the boss SF Express to come over and continue to replace it (here to replace two chassis shields.
Uh, uh… When I was checking when changing the chassis guard, the surprise came again, and I found that the right balance lever was broken. At that time, I was more anxious to do it together. Taobao asked for 3 days. I bought one with the owner of the auto repair shop (made in Guangzhou: Ekas balance lever). I was familiar with the boss. 90 yuan gave me no money, and he told me that the warranty was 2 years. Of course, just listen to it. It’s too bad to find him. The one on the left should still be able to use it for a while. Let’s talk about it next time if it breaks down.
Here back to 4S, is one day driving flameout can always smell gasoline, after checking the recall, the original car recall did not do. Contact 4S has been done, here is to replace the high-pressure pump low-pressure tubing, disassemble has found oil leakage, as I asked before is the same
Here we break up the steering column grounding recall. I heard that if you don’t do it, the airbag lights will be on. Anyway, I don’t know how to do it for free.
The following is the beginning of the above preparation for about 3 weeks, the first time found that there is a problem with this thermostat is that the above 4S recall told me that you reported the fault code (the problem reported is what heating to the ground short circuit, in fact, it is broken), but my water temperature is normal, so I ignored him, but also asked the maintenance price in 4S, I remember correctly that the quotation was 5600 yuan. Uh… Benjiao can not be consumed, after going back to the slightly obsessive-compulsive disorder, I still bought spare parts to go downstairs to the familiar shop to repair, although did not change before the water temperature is all normal, but still changed, afraid to run long distance shelved on the road.
Forum summed up the common fault is right, (M274 thermostat and water pump) removed to look at the picture has found that the interface is broken, there are a lot of pink slag, look at it should be antifreeze. Three bottles of original antifreeze were bought here, and the pure water was added at 1:1.
Now I hope the pump doesn’t break down so fast. It’s so embarrassing.
I took a look here, it’s a little more visceral than the cylinder, and the owner of the maintenance shop said it was fine, but I didn’t have to do it. There was no walnut sand here, but they were all sprayed with oil detergent to soften + electric brush to deal with it.
Because the project is relatively large, everything we can think of has been dealt with together. The front of the throttle does not seem to be dirty, and the back is slightly black. Wipe it clean with paper towels.
450 man-hours for replacement of thermostat + 4-wheel brake pads + maintenance
The rear shock absorber cover is damaged, and I have to do it for him with obsessive-compulsive disorder.
Checked the relevant information, there is a batch of 14-15 years using spring rubber covers, 10 cars 9 are broken, the back of the new 213 are bucket-type shock absorbers, I changed this is more expensive, 45 75 150 want to dismantle once, changed 150 / right, in order to protect it better, to change the original factory, I am afraid I can not stand the purse
Here began to make a little change, the treble head has been replaced by Harman L7 to dismantle the car, there is still a difference, listening to the human voice is a little clearer and louder than the original, (tuning according to the strict version of 606 is very nice) by the way bought two Haman stickers , the treble is the same as Haman
Behind the Harman who dismantled the car is a green capacitor.
Installed with a tiger tire pressure, or accustomed to a digital display, so take a look at the heart is not panicked. I’m not sure about the feeling of the original car. After getting home, according to the cold tire pressure of the forum, the tire pressure was put back to 2.0, comfortable.
Disassemble the steering wheel and change the panel
I took the biodegradable plastic of the original car. I looked uncomfortable and changed it.
The new one is close to 200 ocean.
End: life lies in twists and turns. I haven’t changed my light bulbs for 7 years before I drive a Japanese car. I studied in the forum for 2 months before I bought a car. I started the twists and turns road after starting. The process is happy, painful, and I don’t understand. The process of growing up is also an experience. Finally, I wish you all good health and all the best.
Ben Jiao is in Dongguan, those who have car friends can also chat together.
WernerBaldwin 
5 
September 3, 2024 
