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Home >> Mercedes Benz >> 2009 >> CLS63 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Electrical System, Equipment & Instruments - 219 Chassis >> Maintenance >> Check lamps in instrument cluster and interior illumination - AP54.30-P-5453T

Check lamps in instrument cluster and interior illumination - AP54.30-P-5453T

MODEL 211, 219 

Fig 1: Display - Instrument Cluster Lamps
G10767120Courtesy of MERCEDES-BENZ USA
INSPECT Check     
1 Switch on ignition and check preglow indicator lamp (3) If installed.
IMPORTANT The preglow indicator lamp (3) must light up for a lengthy period to match the coolant temperature and then go out.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
2 Check coolant temperature display (7) and coolant temperature warning lamp (8) IMPORTANT The pointer of the coolant temperature display (7) must indicate the corresponding coolant temperature and the coolant temperature warning lamp (8) must light up.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
3 Check tire pressure monitor warning lamp (4) If installed.
IMPORTANT The tire pressure monitor warning lamp (4) must light up
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
4 Check fuel level and reserve indicator (12) IMPORTANT The pointer of the fuel level and reserve indicator (12) must indicate the corresponding fuel level in the fuel tank.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
5 Manually switch on the exterior lights    
6 Check instrument illumination IMPORTANT All pointer instruments (2, 5, 9) must be illuminated and for the given displays (6, 7, 10, 11, 12) the background illumination must be activated.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
7 Turn brightness control for instrument illumination and reset button (1) IMPORTANT The instrument illumination must be brighter or darker to match.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
8 Check displays (6, 7, 10, 11, 12) for visible pixel errors If displays are fitted (6, 7, 10, 11, 12) check to see if they exhibit true vertical strips, missing segments or black dots:
↓
Determine and rectify cause, subject to separate repair order.
 
9 Manually switch off exterior lights    
10 Switch on lamps in passenger compartment and check for proper operation IMPORTANT Check inside rearview mirror, reading, mirror and glove compartment lamps.
If there are problems:
↓
Determine and rectify cause, subject to separate repair order.
 
11 Switch off lamps in passenger compartment and ignition