Read Out Maintenance Data From Instrument Cluster And Reset Service Indicator - AP00.20-P-0043E

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Model 205, 253 (except 253.99)

Shown on model 253

Courtesy of MERCEDES-BENZ USA

	Dialing
1	Call up Workshop level in instrument cluster.	Model 205 up to model year 2019 Model 253 (except 253.99)	AP00.20-P-0046A
		Model 205 as of model year 2019	AP00.20-P-0046B
2	Press scroll back button (4) repeatedly until "ASSYST PLUS" is highlighted.
3	Switch electronic ignition lock control unit to position "2" (circuit 15).
4	Confirm selection "ASSYST PLUS" with OK button (3).	The tabs "Service data" and "Full service" appear on the multifunction display (6).
	Read out maintenance data
5	Select "Service data" tab and confirm with OK button (3).	Note down the workshop codes (e.g. 505) and the service code (e.g. A) that appear on the multifunction display (6) in the reception report. The codes are required for generation of the vehicle-specific service sheets in the WIS/MSS.
6	Press scroll forward button (7) 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
7	Press scroll back button (4) to highlight "Full service" and confirm selection with OK button (3).	The current service items are shown on the multifunction display (6).
8	Press scroll back button (4) repeatedly until "Confirm Serv." is highlighted in multifunction display (6) and confirm selection with OK button (3).	The oil selection or "Service carried out?" appears on the multifunction display (6).
9	Select specification for engine oil used with scroll forwards button (7) and confirm selection with the OK button (3).
10	Press scroll back button (4) until "Yes" is highlighted and confirm selection with OK button (3).	"Reset not possible" is shown on the multifunction display (6).
11	Press scroll back button (4) until "Confirm" is highlighted and confirm selection with OK button (3).	"Full service completed" is shown on the multifunction display (6). If the service is not performed or only partly performed after resetting the maintenance computer. ↓ Reset the maintenance computer to the default value again.
	Deactivation
12	Close workshop level on instrument cluster.	Model 205 up to model year 2019 Model 253 (except 253.99)	AP00.20-P-0046A
		Model 205 as of model year 2019	AP00.20-P-0046B