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AS you have not long had the car, you don’t know how old the blades are, if the are old, the rubber will become hardened and warped and the blade will be inclined to be pushed, causing chatter, and not dragged across the screen, no chatter. I wouldn’t bend or twist the blade arms at all...

I stand corrected thanks; don’t know how I follow the wrong key – sorry OP. Dec

Which key type do you have? Dec

Its always possible to have two faults going on at the same time, the remote locking is IR and the immobiliser is the chip inside the remote, worth checking out particularly if the remote was sent to Ireland, the may have opened it up. Dec

Have you ever opened the key, there is a transponder chip inside, if it is missing or dislodged from its position then the car wont start. Dec

The time is important; The time it takes the door pins to pop up should be less than a second. The time it takes the door pins to drop down should be less than a second. The time it takes for the vacuum pump to run when locking should be 2 seconds. The time it takes for the vacuum pump to...

There is what’s called Global locking and Selective locking on most modern Mercedes, it means you can program the remote key fob to unlock just the drivers door and fuel flap with one press of the unlock button on fob or unlock all of the car doors, boot and fuel flap with a second press of the...

There is a bead of mastic that goes round the windscreen when it’s fitted, the bead is maybe 4 or 5 mm thick, that’s what creates the gap. The VIN seems to be in the way so the mastic goes down much lower to avoid the VIN. Pictured is a W202, W124 is probably similar set up. Dec

Be careful the are not too tight a fit for the case because of the extra thickness. "The CR2025 and CR2032 are both 3V button cells, have identical diameters but the 2032 is 3.2mm thick while the 2025 is 2.5mm thick. With just 0.7mm of difference, for as long as either fits in the battery...

If you want to measure how long the pump runs for, place a smart phone close to the pump and set to record video or sound and then play back. That will give you a good idea if its 2 seconds or 10 seconds or whatever. In the video below, of a w210, the guy swaps over the door lock tubes to the...

Idealy, door pins, when locking or unlocking should pop up or drop down within less 1 second, the pump should run for 2 seconds and then shut down. Pressure/blowing unlocks the lock. Sucking/vacuum locks the lock. Dec

I suppose there is enough power in the car battery to start the car? How long has it been since it’s been started? Dec

Is your foot on the brake when u turn the key? Dec

Curious - What times are you getting when the pump runs; When locking? Unlocking? Dec

Could it be the coil inside the fob. See... Remote Key problems Dec

The links below, the 2nd in particular, show how to adjust the pump time out. Vacuum motor buzzing a lot r129 central locking problem Dec

What times are you getting when the pump runs; When locking? Unlocking? Dec

No mention of cut off times, just a list of error codes. Best not to open it if there are reports of a virus. Will report all posts with links, just to be on the safe side. Dec

It might be just a cheap from your local Mercedes dealer, worth a call. Dec

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