Check Lamps In Instrument Cluster And Interior Illumination - AP54.30-P-5453I

Model 206, 214, 223, 236, 254 

Courtesy of MERCEDES-BENZ USA

Shown on instrument cluster in model 223, CLASSIC view 

	Preparatory activity
1	Close the engine hood, the liftgate and all doors.
2	Switch electronic ignition lock control unit to position "2" (circuit 15).
	Check
3	Check preglow system indicator lamp (1).	Model 206 with engine 654 Model 214 with engine 654, 656 Model 223 with engine 656 Model 236 with engine 654 Model 254 with engine 654 The preglow system indicator lamp (1) must light up and then go out. If problems are determined, ↓ rectify the problems. After obtaining special order.
4	Check coolant temperature display (5) and coolant temperature warning lamp (4).	The coolant temperature display (5) can only be checked as of a coolant temperature of > 50°C. The display of the coolant temperature gauge (5) must show the corresponding coolant temperature and the coolant temperature warning lamp (4) must light up. If problems are determined, ↓ rectify the problems. After obtaining special order.
5	Check fuel display (8) and fuel reserve warning lamp (7).	The fuel display (8) must show the corresponding fuel level in the fuel tank, and the fuel reserve warning lamp (7) must light up. If problems are determined, ↓ rectify the problems. After obtaining special order.
6	Check multifunction display (6) for visible pixel faults, vertical stripes, failed segments or black points.	If problems are determined, ↓ rectify the problems. After obtaining special order.
7	Manually switch on the exterior lighting.
8	Operate instrument lighting brightness control.	The instrument illumination must be brighter or darker to match. If problems are determined, ↓ rectify the problems. After obtaining special order.
9	Check instrument lighting.	The tachometer (2) and speedometer (9) must be illuminated. If problems are determined, ↓ rectify the problems. After obtaining special order.
10	Manually switch off exterior lighting.
11	Switch on lamps in rear passenger compartment and check for proper operation.	Interior lights, Reading lamps, Mirror lamps, Glove compartment lamps. If problems are determined, ↓ rectify the problems. After obtaining special order.
12	Switch off lamps in rear passenger compartment.
	Finishing activity
13	Switch electronic ignition lock control unit to position "0".