Bring up workshop level on instrument cluster - AP00.20-P-0046A

WARNING: This page does not describe the selected car, but rather 203 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz S65 AMG, and 2020 Mercedes-Benz GLA250. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 117, 166, 172, 176, 190, 197, 205, 207, 212, 217, 218, 222, 231, 246

MODEL 204 with CODE 442 (Luxury multifunction steering wheel)

Fig 1: Identifying System Selection Button, Accept Phone Call Button & Scroll Forward/Back Button - Model 204 With Code 442

Courtesy of MERCEDES-BENZ USA

Shown on model 212.002, valid for model 197, 204 with code 442 (Comfort multifunction steering wheel), 207, 212

Fig 2: Identifying System Selection Button, Accept Phone Call Button & Scroll Forward/Back Button - Shown On Model 212.002

Courtesy of MERCEDES-BENZ USA

Shown on model 172, valid for model 117, 166, 172, 176, 218, 231, 242, 246

Fig 3: Identifying System Selection Button, Accept Phone Call Button & Scroll Forward/Back Button - Shown On Model 172

Courtesy of MERCEDES-BENZ USA

Shown on model 222, valid for model 190, 205, 217, 222

	Open workshop level
1	Close engine hood, doors and trunk lid or liftgate
2	Switch electronic ignition lock control unit to position "1" (circuit 15R)	There must be no fault messages in the multifunction display (6).
3	Press system selection button (1) repeatedly until menu item "Trip" is highlighted in multifunction display (6), and then confirm with OK button. (3)
4	Press scroll forward/back button (4) repeatedly until standard "Total distance" display appears in "Trip" menu in multifunction display (6)	Operation step 5 must be performed within approx. 5 s after the standard "Total distance" display appears.
5	First press and hold down accept phone call button (2), then within 1 s additionally press OK button. (3) and hold down for approx. 5 s	The workshop menu with the following tabs appears in the multifunction display (6): "Vehicle data", "Dynamometer test", "Change brake lining" (depending on equipment installed), "ASSYST PLUS", "Head-up-display" (depending on equipment installed).
	Close workshop level
6	Press "Back" button (5) repeatedly until standard display (total distance) appears in multifunction display (6)
7	Switch electronic ignition lock control unit to position "0"