The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
ESP+PML Control Unit Mercedes-Benz Bosch 0265109542 A2115406145
Vendors's code: A2115406145
Product code: 0265109542
Barcode:
Code 39:
ISBN:
€284.55
Price
€284.55
€350.00
Price
€350.00
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ESP+PML Control Unit Mercedes-Benz Bosch 0265109542 A2115406145
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ESP control unit A2115406145 – does it fit your Mercedes?
This is a used, working ESP+PML control unit made by Bosch, Mercedes number A2115406145, Bosch number 0265109542. Before buying, compare the numbers with the label on the control unit in your Mercedes-Benz.
ESP+PML Control Unit Mercedes-Benz Bosch A2115406145
The ESP control unit reads the signals from the wheel speed sensors, the steering angle sensor and the vehicle acceleration sensors, and if the car starts to skid it brakes selected wheels to keep it on course. It also handles the ABS and ASR functions. The PML marking on the label refers to the speed-sensitive power steering function (Parameterlenkung).
Part numbers to compare
- A2115406145 – Mercedes-Benz control unit number (on the label ZB A 211 540 61 45)
- 0265109542 – Bosch number, on the label: 0 265 109 542
- A2115455032 – hardware number (on the label HW A 211 545 50 32)
- A2114480453 – software number (on the label AS A 211 448 04 53)
- A2114480202 – software number (on the label VAFS A 211 448 02 02)
You will find all the numbers on the label on the control unit housing. The safest way to choose is by the Mercedes number marked ZB – many versions of ESP control units with different software were fitted to Mercedes-Benz cars.
Symptoms of a faulty ESP control unit
When the ESP control unit starts to fail, the most common symptoms are:
- ESP and ABS warning lights on,
- an ESP fault message on the display,
- ABS or ESP not working when braking,
- no communication with the control unit during diagnostics.
Before replacing it, read the fault codes with a diagnostic tool and check the wheel speed sensors, fuses and control unit connectors – a faulty sensor causes similar symptoms. After replacement, the control unit may need to be coded with a diagnostic tool.
Frequently asked questions
| Which vehicle does the ESP control unit A2115406145 fit? |
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| This control unit is for Mercedes-Benz cars. Match it by the Mercedes number A2115406145 on the label (marked ZB) – compare it with the label on the control unit in your car. |
| Which number is the Mercedes number and which is the Bosch number? |
| A2115406145 (on the label ZB A 211 540 61 45) is the Mercedes-Benz number, and 0265109542 (on the label 0 265 109 542) is the Bosch manufacturer number. The other numbers on the label identify the hardware (HW) and software (AS, VAFS). |
| Does the control unit need coding after fitting? |
| The control unit may need to be coded with a diagnostic tool – this depends on the version and equipment of the car. |
| What condition is this control unit in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Not sure whether this control unit fits your car? Send us a photo of the label on your old unit and we will check compatibility.
