Mirror, steering column adjustment, heated mirrors (MSC) diagnosis troubleshooting · ad8879p5000b · Mercedes-Benz WIS

AD88.79-P-5000B

Mirror, steering column adjustment, heated mirrors (MSC) diagnosis troubleshooting

8.4.97

MODEL 202 as of 1.6.97 with CODE (249a) Interior rearview mirror automatic dimming

MODEL 208, 210.081 /281,
210 as of 1.3.97
with CODE (249a) Interior rearview mirror automatic dimming
with CODE (275a) Memory package (driver's seat, steering column, mirror)

	Mirror, steering column adjustment, heated mirrors (MSC) diagnosis, previous knowledge		AD88.79-P-2000B
	Troubleshooting
Complaint	Possible cause	Note	Remedy/Test step
Complete mirror adjustment inoperative	Voltage supply, lower control field control module (N72)		AD00.19-P-6000A
Steering column adjustment inoperative	Steering column switches (S91/2s11, S91/2s12) Steering column adjustment motor group (M20)		AD88.79-P-3001B
Driver-side outside rearview mirror, adjustment inoperative	Outside mirror adjustment switches (N70s6, N70s7, N70s8) Driver-side outside mirror motors (M21/6)		AD88.79-P-3001B AD88.79-P-6000-02B AD88.79-P-6000-18BA
Driver-side outside rearview mirror, up/down adjustment transposed	Driver-side front door control module (N69/1) incorrectly coded		AD88.79-P-2000-05B
Front passenger-side outside rearview mirror, adjustment inoperative	Outside mirror adjustment switches (N70s6, N70s7, N70s8) Passenger-side outside mirror motors (M21/7)		AD88.79-P-3001B AD88.79-P-6000-18BB AD88.79-P-6000-19BA
Driver-side outside mirror heater inoperative	Driver-side outside mirror, voltage supply		AD88.79-P-6000-13A
Passenger-side outside mirror heater inoperative	Passenger-side outside mirror, voltage supply		AD88.79-P-6000-14A
Steering column adjustment inoperative	Steering column adjustment switch		AD88.79-P-3001B
Mirror and steering column adjustment, memory inoperative	Potentiometer of driver-side outside mirror Potentiometer of passenger-side outside mirror Potentiometer/Hall sensor of steering column adjustment motor group (M20)		AD88.79-P-3001B
Mirror fold-in/out feature inoperative (garage position)	Exterior mirror adjustment switch with mirror fold-in/out (S50/1) Driver-side mirror folding motor (M21/6m3) Passenger-side mirror folding motor (M21/7m3)		AD88.79-P-6000-15A AD88.79-P-6000-16A AD88.79-P-6000-17A
Interior rearview mirror dimming inoperative	Voltage supply, electronic dimming		AD88.79-P-6000-19BB
Outside rearview mirror dimming inoperative (driver-side)	Voltage supply, electronic dimming		AD88.79-P-6000-22B

Referenced documents

ad0019p6000a Extended vehicle network (GVN), electrical system test
ad8879p200005b MSC diagnosis previous knowledge notes on version coding
ad8879p2000b Mirror, steering column adjustment, heated mirrors (MSC) diagnosis previous knowledge
ad8879p3001b Mirror, steering column adjustment, heated mirrors (MSC) diagnosis operational check actual values
ad8879p600002b MSC test of electrical system driver exterior mirror up/down motor actuation
ad8879p600013a MSC test of electrical system driver exterior mirror heater
ad8879p600014a MSC test of electrical system passenger exterior mirror heater
ad8879p600015a MSC test of electrical system exterior folding mirror
ad8879p600016a MSC test of electrical system driver exterior mirror fold-in motor
ad8879p600017a MSC test of electrical system passenger exterior mirror fold-in motor
ad8879p600018ba MSC test of electrical system driver exterior mirror memory
ad8879p600018bb MSC test of electrical system driver exterior mirror memory
ad8879p600019ba MSC test of electrical system passenger exterior mirror memory
ad8879p600019bb MSC test of electrical system passenger exterior mirror memory
ad8879p600022b MSC test of electrical system reverse gear signal