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.
CD MP3 radio Mercedes A2118703889 MH3511
Vendors's code: A2118703889
Product code: 437E-135D5
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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How do you check whether this part fits your Mercedes?
This is a used, working part: CD MP3 radio for the Mercedes - numbers A 211 870 38 89 / A2118703889; MH3511. Before buying, compare the numbers with the label on the unit in your car.
CD MP3 radio Mercedes
The part in this listing (CD MP3 radio) comes from a Mercedes (2005). It is a used unit, working and in good condition.
Numbers to compare
- A 211 870 38 89 / A2118703889 - Mercedes number (OEM)
- MH3511 - additional part number
Fitment
Compare the number A 211 870 38 89 in full with the number on your unit. Different versions of radios were fitted to the same models, so the number decides, not the model and year alone.
Signs of a faulty unit
- sound comes only from some of the speakers,
- radio reception is weak although the aerial is fine,
- the radio does not switch on or switches itself off,
- the display is unreadable or segments go out.
Before you buy a radio, check the fuse, power supply, earth and aerial - a damaged wiring loom or a corroded connector can cause similar symptoms.
Questions and answers
| How do I check whether the radio will fit my car? |
|---|
| Compare the model, year and numbers of the unit fitted in your car with the numbers in the description. You can also send us a photo. |
| What should I check on delivery? |
| Check that the numbers on the unit match the description and that the connectors, buttons and housing show no visible damage. |
| What does "used, working" mean? |
| We sell it as a used part, working and in good condition, with a 6-month warranty. |
Write to contact@auto24parts.com with your model, year and the number from your radio - we will check the fitment.