Preliminary Work
WARNING: This page is about a different variant/trim than selected.
- Read out the fault memory.
Refer to WM, 033500 ON-BOARD DIAGNOSIS FAULT MEMORY .
- Only for Cabriolet:
Move convertible top into service position.
Refer to the appropriate service information.
- Disconnect the battery ground line and cover battery terminals or battery.
270619 REMOVING AND INSTALLING BATTERY/VEHICLE ELECTRICAL SYSTEM
- Drain coolant.
- Drain refrigerant.
Refer to WM, 870317 DRAINING AND FILLING REFRIGERANT R1234YF .
Refer to WM, 870317 DRAINING AND FILLING REFRIGERANT R134A .
- Loosen rear wheel bolts/central bolts (do not unscrew fully).
- Remove charge-air cooler.
- Remove struts.