Check warning and function indicator lamps in instrument cluster - AP54.30-P-5451P

MODEL 203 

Fig 1: Identifying Warning And Function Indicator Lamps (Model 203)

Courtesy of MERCEDES-BENZ USA

	Check
1	Switch off engine and switch on ignition	Engine hood, trunk lid or liftgate and all doors closed.
2	Operate parking brake
3	Check warning lamps (5, 7, 8, 9, 11) and indicator lamp (10) for proper operation	In the event of complaints: ↓ Determine and rectify cause, subject to separate repair order
4	Manually switch on low beams	The low beams indicator lamp (4) must light up and there must not be a lamp failure message in the multifunction display (12). In the event of complaints: ↓ Determine and rectify cause, subject to separate repair order
5	Switch on high beam	High beam indicator lamp (3) must light up and there must be no lamp failure signal in the multifunction display (12). In the event of complaints: ↓ Determine and rectify cause, subject to separate repair order
6	Engage reverse gear and press service brake	No bulb failure message in the multifunction display (12).
7	Switch off ignition and exterior lights
8	Switch on hazard warning flasher	The left and right turn signal indicator lamps (1, 2) flash in unison. In the event of complaints: ↓ Determine and rectify cause, subject to separate repair order
9	Switch off hazard warning flasher