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Home >> Mercedes Benz >> 2014 >> CLS550 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 159 (Electrical System - Body - Maintenance) >> Electrical System - Body - Maintenance >> Check and correct the adjustment of the headlamps >> Check and correct the adjustment of the headlamps - AP82.10-P-8260RT

Check and correct the adjustment of the headlamps - AP82.10-P-8260RT

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MODEL 251 

INSPECT Check     
DANGER Risk of death  due to high voltage in xenon headlamps. Risk of explosion/risk of fire  caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury  caused by UV light, hot components at xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning  caused by inhalation of mercury vapors and by toxic salts and mercury compounds being ingested or coming into contact with skin Do not touch parts conducting high voltage. Persons with active electronic implants  (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the hazard area. Ensure sufficient ventilation in the working area. AS82.10-Z-0001-01A
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
1 Park the vehicle on a horizontal, level surface    
2 Put vehicle in ready-to-drive condition IMPORTANT Vehicle in ready-to-drive condition means:
  • Curb weight
  • Correct tire pressure
  • Vehicle at normal level
  • Steering is in straight-ahead position
 
3 Open engine hood    
REFER TO TESTING & REPAIR     AR88.40-P-1000RT
4 Prepare headlamp aimer    
IMPORTANT Notes on determining headlamp aiming values   AH82.10-P-1005-01A
    IMPORTANT Align headlamp aimer approx. 10 to max. 30 cm in front of the headlamps parallel to the vehicle at the height of the light source.
Adjust specified headlamp inclination on scale of headlamp aimer.
Headlamp aimer gotis://E_82_01.0 
 
5 Occupy driver seat with a person or load the seat with 75 kg On vehicles with halogen headlamps and without level control system at front and rear axle  
6 Check fill level of fuel tank On vehicles with halogen headlamps and without level control system at front and rear axle
IMPORTANT If the fuel tank is not full, compensate for the missing weight by placing appropriate additional weights in the luggage compartment.
 
7 Switch on low beam at exterior lights switch IMPORTANT The turn signal lamps and rear fog lamp must not  be switched on!  
8 Check headlamp range control for proper function   AP82.10-P-8250EW 
For vehicles with halogen headlamps, after completion of function test of headlamp range adjustment:
↓
Move headlamp range controller to 0 position.
 
9 Switch on ignition    
10 Check low beam setting and adjust if necessary Except CODE 494 (USA version)
IMPORTANT On vehicles with CODE 494 (USA version):
Since the low beams and high beams share the same reflector unit, they are adjusted simultaneously.
For vehicles with xenon headlamps:
↓
Conduct zero position adjustment of headlamp subject to separate repair order.
AP82.10-P-8260-01RT
11 Check setting of high beam   AP82.10-P-8260-02RT
12 Check fog lamp setting and adjust if necessary On vehicles with front fog lamps AP82.10-P-8260-04RT
13 Switch off lights and ignition IMPORTANT Put the vehicle back in its original condition.  
14 Adjust headlamp range controller to load condition On vehicles with halogen headlamps  
15 Close engine hood    
REFER TO TESTING & REPAIR     AR88.40-P-1000RT