Read out maintenance data from instrument cluster and reset service indicator - AP00.20-P-0043EL

MODEL 117, 156, 166, 172, 176, 205, 218, 231, 242, 246 

Shown on model 172 

Fig 1: Identifying Instrument Cluster And Reset Service Indicator Components - Shown On Model 172

Courtesy of MERCEDES-BENZ USA

	Menu entry
1	Close engine hood
2	Close doors and trunk lid or liftgate
3	Turn transmitter key in electronic ignition lock control unit to position "1"	The standard display (total distance) must appear in the multifunction display (6); if necessary, repeatedly press the scroll forward/back button (4).
4	Repeatedly press system selection button (1) until menu item "Trip" is highlighted in multifunction display (6)	"Trip" remains selected for approx. 5 s. Operation step 5 must be carried out within this time.
5	First press and hold down accept and end phone call button (2), then within 1 s also press OK button (3) and hold down for approx. 5 s	The workshop menu with the tabs "Vehicle data", "Dynamometer test", "Change brake lining" (only model 166, 172, 176, 231, 246) and "ASSYST PLUS" appears on the multifunction display (6).
6	Press scroll forward/back button (4) repeatedly until "ASSYST PLUS" is highlighted and confirm selection by pressing OK button (3)	The tabs "Service data" and "Full service" appear on the multifunction display (6).
	Read out maintenance data
7	Select "Service data" tab and confirm with OK button (3)	In the reception report, note down the workshop code (e.g. 505) and the service code (e.g. A) that appear on the multifunction display (6). The codes are required for generation of the vehicle-specific service sheet in the WIS/MSS.
8	Press scroll forward button (4) repeatedly and read out remaining time, remaining distance and oil data record (e.g. 01 1F 00)	Note down read out data in reception protocol.
	Reset service data
9	Press scroll forward/back button (4) to highlight "Full Service" and confirm selection with OK button (3)	The current service items appear on the multifunction display (6).
10	Press scroll forward/back button (4) repeatedly until "Confirm service" is highlighted on the multifunction display (6) and confirm selection by pressing OK button (3)	The oil selection or "Service carried out?" appears on the multifunction display (6).
11	Select specification of engine oil used with scroll forward button of scroll forward/back button (4) and confirm selection by pressing OK button (3)	On vehicles with oil selection In order to achieve the maximum kilometer interval, engine oil for gasoline engines must be used and confirmed as per Specifications for Operating Fluids specification 229.5 and engine oil for diesel engines must be used and confirmed as per Specifications for Operating Fluids specification 229.51.
12	Press scroll forward/back button (4) repeatedly until "Yes" is highlighted and confirm selection with the OK button (3)	"Reversal not possible" appears on the multifunction display (6).
13	Press scroll forward/back button (4) repeatedly until "Confirmation" is highlighted and confirm selection with the OK button (3)	"Full service completed" appears on the multifunction display (6). If the service is not performed or only partly performed after resetting the maintenance computer, then the maintenance computer has to be reset to the default value again. ↓
		Reset service indicator to previous service	AP00.20-P-0044A
	Menu exit
14	Press "Back" and VCS OFF button (5) repeatedly until standard display (total distance) appears on multifunction display (6)
15	Turn transmitter key in electronic ignition lock control unit to position "0"