How to Mercedes PSE Pump W210 W211 W220 Door Locks Won`t Lock - Repair & Modification how to Improve

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PSE ( Pneumatic System Equipment ) Central Locking PSE Vacuum Pump operates the doors, boot ( trunk ), headrests, Multi Contour Backrest (Lumbar Support Bladder all four seats) and fuel cap cover flap with pressure. It either increases or decreases the pressure in the lines causing the movement of pistons in actuators, which in turn move levers in these various latches. The PSE Pump can both create pressure or vacuum. The negative pressure (vacuum) pulled by the PSE Pump operates the retraction of various actuators but it can also function to retract the Boot/Trunk Handle.
This one is in a Mercedes E240
#MercedesPSEPump #MercedesEClass #AutomaticDoorLock #autorepair #diy #tutorial #howto #yepthatsit
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Mercedes A Class
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Mercedes E Class
Mercedes SUV
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Mercedes PSE Pump Modification PSE Pump Improvement using a 65deg Celcius Bi-Metal / Thermo Switch NC ( normally closed ) so it won`t overheat before you can get repair done or find where the leak is.
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Опубликовано:

28 сен 2024

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Комментарии : 65

@arifuddinmohammed7095 Год назад

Very helpful and explained very nicely..I hope everyone can get maximum information on how to fix central lock system

@YepThatsIt Год назад

thanks & cheers

@Jmjdit 4 года назад

you could consider offering a repair service for these in Australia, there are a few in USA doing it because the genuine replacements and rebuilt units are expensive and the internal failures usually limited to very cheap parts

@YepThatsIt 4 года назад

thanks and cheers

@ishmaelshumba920 2 года назад

Very informative and enlightening video. Will check mine for any obvious defects.

@YepThatsIt 2 года назад

thanks & cheers

@tchotto5613 4 года назад

Thanks for your vid and tricks to repair that MB vacuum pomp . One suggestion, though. With the money you saved by using the DIY method to fix it, please buy a better camera because our eyes hurt when watching it ! The thermical protection of that motor is a real security improvment of the system. 2020-05-18. Cheers !

@YepThatsIt 4 года назад

hi, sorry about the quality i use my phone camera. at this stage yt doesnt reward me enough to get fancy or high tech, however in time i hope to get better filming equipment. cheers

@khoinguyen88 4 года назад

Wtf... he spent his valuable time and you still complained???

@nikolaos9906 10 месяцев назад

I have the E240 Mercedes So I learned where this part is and how I can repair it myself

@YepThatsIt 10 месяцев назад

no worries, there is a link in description if i deserve a few beers. cheers

@nikolaos9906 10 месяцев назад

Congratulation very good work BRAVO ++++++++++ Frankfurt Germany NICK

@YepThatsIt 10 месяцев назад

thanks & cheers

@chewabledrapery 11 месяцев назад

Great video really informative I wouldn't have had a clue how to get the airlines off the PSE pump, so you've cleared that right up for me! I've just bought an W210 E55 AMG and the boot is a bit sluggish to open, maybe 5-10 seconds after unlocking it eventually pops, so i'll check all the lines and see if i can get some replacement o-rings. I'm wondering if a super-thin application of silicone o-ring grease might help with the seal?? Just a thought... Cheers mate!

@YepThatsIt 11 месяцев назад

hi, worth a try. thanks and cheers

@jalvarezv 2 года назад

Hello, I am also having problems with my PSE and found your video while looking for a solution. Before trying to fix it following your video, i am wondering if i should disconnect the batery before either removing or putting the PSE back in the car. Thank you in advance!

@YepThatsIt 2 года назад

hi, usually better to disconnect anything that has wires that may touch something it shouldnt, but entirely up to you to decide. cheers

@akakimtvralashvili3538 День назад

HELLO.i I own merceders w124 1994 year edtion.mine original locked pult works an I see when I pushed up red and green close and open on my door signalizacion,but do not hear the noise compressor do not works.and the button do not work too one push close the door.if you know what is my problem and what I should to see first?

@memeco50 7 месяцев назад

Finding out about it. My car almost got towed because alarm kept going off. It's been raining hard here. Old car so I was ok with one off the back door mechanism not working right. the light on the switch to lock/open doors is also on now. OK now I have an idea of what the problem might be. Thanks

@YepThatsIt 7 месяцев назад

no worries, thanks & cheers

@burlingtonsouth Год назад

Hi, I have 2007 Mercedes S550 but I could not locate the PSE pump on the left side of the trunk. Please help. Thank you in advance.

@YepThatsIt Год назад

hi, check under the seat ? cheers

@glennjareno8699 5 месяцев назад

mine got short circuit and the board looks bad do you think it is still fixable?

@YepThatsIt 4 месяца назад

hi, is in your hands to determine. cheers

@kashiomodashio6455 3 года назад

Quick question, hopefully your expertise can give some insight on my dilemma, my 03 s430 pse pump recently failed, no power locks, soft close doors, trunk and my rear head rest were not working, so I went to a local junkyard got a pse pump from a 05 s500, threw it in and everything except the trunk works, I noticed the s500 I removed the pump from had the power trunk feature that closes and opens automatically, could this possibly be why my trunk is not working since I have a manual trunk rather than the automatic one from the s500?

@YepThatsIt 3 года назад

sounds about right. cheers

@gwagenoverland1986 Год назад

Hello mate I have a 210 also ,rear headset goes down The car unlocks from the dash bottom but the unlock doesn’t work when I press it no sound comes out the pump I had the seats removed to check The unlock is fine tho I’ve both the car with one key The bottom on it don’t do anything I use it to start the car and open close manually the car The trunk stays open😢 Any idea mate I’ve checked the fuses all looks good

@YepThatsIt Год назад

hi, you probably have the pain in bum issue of finding where you have a leak on the hoses/plastic pipes that come from the pump.cheers

@ابراهيمالاسدي-خ7ذ 3 года назад

Thanks

@YepThatsIt 3 года назад

no worries, cheers

@Scorpion_overlord 2 года назад

Hello. I have a question about this model of vacuum pumps. in my mercedes W210, i have interrupted line of the SRU and it is currently "open" and works in vain. I was advised to put a small piece of tube to plug with something in front. in this case I put the "reserve" box for inflatable seats. My question is: does this "clogging" harm the pump in any way? What is the effect of clogging (if any) on the pump itself.

@YepThatsIt 2 года назад

hi, no harm will be to pump, just that line will not work by you plugging the line. cheers

@Scorpion_overlord 2 года назад

@@YepThatsIt the idea is that the owner before me changed the chip on the car, and cut the line purposefully. The pump orifice is left open, and it inflates when I give the ignition. the idea is to stop it from inflating and from working unnecessarily. To understand that the box I plugged into this hole (again - this is the box of those that stand for the inflatable seat reserve) works. I tried to plug it with a screw, but the pump inflated again (apparently the bolt was leaking) and for that I turned on the pipe with the tube straight.

@eyalbarmitzvah Год назад

The seat bolsters usually are the worst source of leaks over time so you can delete the lines to them with a plug or you can use star system to delete the feature. Another simple way is to set your seat button to 0 and tape it so nobody changes that.

@juanpablomarcelvivancomeri9310 9 месяцев назад

hi i already change the electric motor and now my control open and close my doors ,,,, but when doit that still zumbing the motor zzzzzzz . anyone knows why or if i have to do something before put in back all the lines ? thanks

@YepThatsIt 9 месяцев назад

hi, may still be a leak in lines somewhere. cheers

@mrspoiled2875 Год назад

mercedes benz 210 what to do if the car does not open and close

@YepThatsIt Год назад

hi, in extreme cases you will need a vehicle locksmith. cheers

@nikolaos9906 10 месяцев назад

this Part cost in MERCEDES 1110 EURO just 1300 US Dollars

@YepThatsIt 10 месяцев назад

yes expensive. cheers

@davidgoh3334 Год назад

Hi bro. I have a 2000 W210. When i press the door lock switch ftom inside the car it doesn't work. But unlocking works. Rear boot and fuel door lock has delayed opening after pressing the car unlock button on the remote. Can changing the motor alone solve these 3 issues? Kindly advise. Thks.

@YepThatsIt Год назад

hi, check the plastic hoses arent leaking. those pumps have vac and pressure. cheers

@FisherCatProductions 2 года назад

Excellent video .Hopefully this will help me diagnose and repair my locks--sluggish or not working at all in cold weather. I'm guessing pump is struggling when cold. Probably not a vacuum leak or it would happen in warm weather also. Thanks and cheers from the US.

@YepThatsIt 2 года назад

hi, on these pressure or vacuum leak can be like a parasitic draw. the pump can only make x amount of pressure and/or vac, so something else needs to suffer. hope that makes sense. cheers

@yasserhadid8173 4 года назад

Hello mine w210 wont close trunk. Doors open and close perfectly. What could be the problem. Thank you

@YepThatsIt 4 года назад

hi, check for pressure/vac leaks. cheers

@keyo525 5 лет назад

Hi mate, good video. I have an R129 late model SL500 1999 and it has the same era of pump on your with the same plugs that you showed how to remove video. Wonder if you can help. The car unlocks with the keyfob but will not lock with the keyfob. When pressing the lock button on the fob you can see the lock knob move down slightly and the car lights flash so it is detecting the signal off the fob. The car also can be manual locked with key in the door barrel and also if sitting in the car there is a lock button which also is locking the car. Do you think it my pump mate? Cheers .

@YepThatsIt 5 лет назад

hi, sounds like it could be pump, however firstly, pull rear seat up and try plugging one line on the PSE at a time to find which one is playing up or leaking just incase one of the seals are leaking. cheers

@keyo525 5 лет назад

Ok thanks for your help looks it is the pump after all, Ive sourced a refurbished one, is it a straight swap out no programming needed etc. cheers

@MilanRandjelovic2211 3 года назад

I have a w210, everything works great, only the trunk I can't open with the remote. I can't open the trunk even with that switch behind the gear lever. Can you tell me what to do?

@YepThatsIt 3 года назад

hi, have you watched the vid? cheers

@troychrisman2312 Год назад

You can pop open the trunk with a bike tire pump if you need to .

@Cyb3rG 2 года назад

Oh cool I always wondered because I was messing with the fuses and nothing could fix that problem yet so I'm going to try this I'm excited

@YepThatsIt 2 года назад

hi, if helps then a few beers are always well received ! link is in description thanks & cheers

@Cyb3rG 2 года назад

@@YepThatsIt lol perfect

@manpreetsandhu7310 4 года назад

So, what's the outcome of the switch - will it turn off the whole PSE unit, shut off the vehicle? There should be some ventilation for the PSE unit for the fan to cool it down, like a few small holes in the housing. Great vid, good info.

@YepThatsIt 4 года назад

hi, thanks....point of switch is so it turns off circuit when the temp gets too high for whatever reason it does. cheers

@manpreetsandhu7310 4 года назад

@@YepThatsIt so when the circuit turns off, will that prevent doors from opening? Will car still run normally even though switch turned circuit off?

@YepThatsIt 4 года назад

@@manpreetsandhu7310 switch will work as usual when it cools down. its just like a backup to stop pump motor from burning out. when your system is operating properly it will hold pressure and vacuum so you can open doors, locks, fuel cap, boot, head rests etc. if there is a leak in the lines it will burn out your pump in a short period of time. this is why i add the temp switch. hope that makes sense cheers

@jacksabbath7986 3 года назад

Hello Mate, We have a 2000 Mercedes S500, and the 20 amp fuse was blown in the compartment on the right side of the rear seat down low at ones feet. I replaced the 20 amp fuse that was blown, then all the doors would lock & unlock....& the trunk would open & close with the KEY FOB, as it did when new. Even the cheap after-market radio that came with this S500 I recently purchased, began to work. The problem is.... the PSE pump will not turn off, as it keeps making noise even after the doors have been closed & the trunk is locked. I can hear it from outside. When I touch the 20 amp fuse...it is extremely hot...so I am sure that is how it blew in the first place since these locking systems did not work when we bought this car 2 weeks ago. The PSE pump keeps running.....even after I have shut down the car & removed my keys from the ignition. Is this caused by leaks in the pneumatic lines, or leaks "ON THE PUMP ITSELF", or a failing pump that needs replacing? I am keeping the fuse out so we do not cause any more damage. Any ideas what to chase after first? Thank you.....

@YepThatsIt 3 года назад

hi, you have leak in the lines. cheers