A. Inspect Alternator

1. Vehicles with engine 112: Check the manufacturer of the alternator using a mirror (arrow, Figure 1).

^ If the alternator is manufactured by Valeo:

This campaign is completed, no further action needs to be taken.

^ If the installed alternator is made by Bosch (A) replace regulator:

For models 211 4Matic/ 220: Proceed to Subject B.
For model 211: Proceed to Subject C.

2. Vehicles with engine 113: Replace regulator:

^ For models 163/211 4Matic/ 215/220/463: Proceed to Subject B.

^ For models 209/211/219/230: Proceed to Subject C.

Note:

^ IT IS NOT NECESSARY TO CHECK THE MANUFACTURER OF THE ALTERNATOR ON VEHICLES EQUIPPED WITH ENGINE 113.

^ ALL 113 ENGINES ARE EQUIPPED WITH BOSCH ALTERNATORS AND REQUIRE REGULATOR REPLACEMENT.