Hi-

I am having a stall at red lights / occasional difficulty starting (no start on first try second try usually good). Planning to replace the CPS- 2 questions:

1. Is there a specific part number I should look for? Mercedesshop doesn't have it in stock.
2. Roughly where on my car is this located?- 1998 E430.

Thanks

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98 e430, 55K