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How to change headlight bulb on MERCEDES-BENZ W124 Coupe (C124) – replacement guide
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Recommended replacement interval for the part category Headlight bulb : 12 month / 15000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE, MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 230 CE Cat (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE (124.050), MERCEDES-BENZ W124 Coupe (C124) 320 CE (124.052), MERCEDES-BENZ W124 Coupe (C124) 220 CE (124.042), MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE, MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 230 CE Cat (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE (124.050), MERCEDES-BENZ W124 Coupe (C124) 320 CE (124.052), MERCEDES-BENZ W124 Coupe (C124) 220 CE (124.042), MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043) … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Headlight Bulb for W124 Coupe (C124) and other MERCEDES-BENZ models
Alternative products

Dielectric grease
Fender cover
Replacement: headlight bulbs – MERCEDES-BENZ COUPE (C124). Professionals recommend:
- All work should be done with the engine stopped.
Replacement: headlight bulbs – MERCEDES-BENZ COUPE (C124). Take the following steps:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3
Remove the headlight rear cover.Please note!The replacement procedure is identical for the left and right headlight bulbs. - Step 4
Detach the fog light connector. - Step 5
Pull aside the retainer of the fog light bulb. - Step 6
Remove the fog light bulb. - Step 7
Detach the connector of the low and high beam bulb. - Step 8
Pull aside the retainer of the low and high beam bulb. - Step 9
Remove the low and high beam bulb. - Step 10
Detach the turn signal light bulb holder by turning it approx. 30°. - Step 11
Remove the turn signal light bulb. - Step 12
Treat the bulb connectors. Use dielectric grease. - Step 13
Install a new turn signal light bulb in the socket. - Step 14
Install the turn signal light bulb holder by turning it approx. 30°. - Step 15
Install a new low and high beam bulb.Replacement: headlight bulbs – MERCEDES-BENZ COUPE (C124). AUTODOC recommends:Avoid touching the bulb glass. The finger marks left on it may cause failure. - Step 16
Fit the retainer of the low and high beam bulb. - Step 17
Attach the connector of the low and high beam bulb. - Step 18
Install a new fog light bulb.AUTODOC recommends:Avoid touching the bulb glass. The finger marks left on it may cause failure. - Step 19
Fit the retainer of the fog light bulb.
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