A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Comfort control module Mercedes W170 R170 SLK A1708200126
Vendors's code: A1708200126
Product code: A1708200126
Barcode:
Code 39:
ISBN:
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Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Part number A1708200126 - is it the right choice?
Used, working part: comfort control module for Mercedes W170 R170 SLK - numbers A1708200126. Compare the numbers with the label of the part currently in your car.
Comfort control module Mercedes W170 R170 SLK
If several body functions in your Mercedes W170 R170 SLK have stopped working at once, the module may be the cause. We sell a used, working unit in good condition.
When to replace the part
- the system returns to normal after the battery is disconnected,
- warning lights on the dashboard come on for no reason,
- electrical faults appear after rain or a car wash,
- some functions work only intermittently.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
Function in the car
The comfort control module controls body functions such as interior lighting, central locking, windows or wipers; the exact scope depends on the make and version of the car.
Numbers to compare
- A1708200126 - Mercedes-Benz number (OEM)
Application according to the listing
- Mercedes W170 R170 SLK - model
Fitment
Compare number A1708200126 in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model alone.
Questions before buying
| Where can I find the number on the part? |
|---|
| The number is on the label or housing, usually visible after removing the part from the car. If you cannot read it, send us a photo. |
| What should I check on delivery? |
| Check that the numbers match the description and that the connectors and housing show no cracks or corrosion. |
If you have questions about the application, write to contact@auto24parts.com and give the number from the label.