I have decided to update the look of my car by doing 3 important upgrades:

1: Clear Corners
2: Headlights
3: Tail Lights

I know many members here have done this or are thinking of doing this. I read so much info on this subject and found so much information scattered everywhere (roughly 50 pages) and thought it might be nice to have it all in one place and that is why I am starting this thread...to help everyone as well as myself.

I urge all members to help with any supporting info/pics or corrections to help create a proper and accurate reference. I must also thank so many members for all the effort that was put into this subject and helped me compile this thread.

This particular thread will address:
1: Clear Corners

I want to buy the highest quality product for my Mercedes and I believe it to be Hella and Bosch . Here is a list of part numbers that I found:

Mercedes Benz OEM part numbers:

124 826 11 43 Lamp Left Front Blinker White
124 826 12 43 Lamp Right Front Blinker White ***or***

124 826 09 43 LF INDICATOR LAMP W124 CLEAR
124 826 10 43 RF INDICATOR LAMP W124 CLEAR

124 826 07 43 LF INDICATOR LAMP W124 CLEAR
124 826 08 43 RF INDICATOR LAMP W124 CLEAR

Which set are the correct/current OEM numbers?

HELLA part numbers:

1 124 826 09 43 or
2BA 004 693-031
Indicator Flasher lamp, left (white), with pre-fitted 12V bulb.

1 124 826 10 43 or
2BA 004 693-041
Indicator Flasher lamp, right (white), with pre-fitted 12V bulb

The arrows point to the HELLA logo to identify authentic Hella lights.



Robert Bosch GmbH part numbers:

1 305 233 936 LF INDICATOR LAMP W124 CLEAR
Properties: Lateral Mounting, Lamp Form P21W

1 305 233 937 RF INDICATOR LAMP W124 CLEAR
Properties: Lateral Mounting, Lamp Form P21W



Is it true that there is a difference in the color between the Hella and Bosch? I believe I read somewhere that the Hella are slightly darker.

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1989 300CE Astralsilber/Schwarz
1992 300CE Schwarz/Schwarz