Model 124T, model 129T, model 140 (up to approx. 02.94), model 202 (sedan up to approx. 05/96), model 140 (as of approx. 03.94), model 170, model 202 (sedan as of approx. 06/96 and T-sedan) |
a | Marking for low beam/high beam |
c | Marking for fog light or model 124.036 high beam headlamp |
a | Marking for low beam/high beam |
a | Marking for low beam |
b | Marking for high beam |
c | Marking for fog light (except coupe) |
a | Marking for low beam |
b | Marking for fog light (except coupe model 140 and model 170) |
c | Marking for high beam |
P82.10-0212-02
| Check | ||
Warning | 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. | |
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Danger | 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 on xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning caused by inhalation of mercury vapors and by swallowing of/skin contact with toxic salts and mercury compounds. | 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 danger zone. Ensure sufficient ventilation in the working area. | |
1 | Check tire pressure, correct if necessary | ||
2 | Park the vehicle on a horizontal, level surface | Vehicle must be in curb condition (curb weight, fuel tank full or corresponding additional weight). | |
3 | Occupy driver seat with a person or load the seat with 75 kg | Except vehicles with code 491 (USA version) or vehicles with level control system or ADS | |
4 | Run engine at moderate speed for approx. 30 s | On vehicles with level control system or ADS. | |
5.1 | Align headlamp adjuster with vehicle and set height according to markings in lens | Model 124, 129, 140, 170, 202 | |
Precisely observe operating instructions for headlamp adjustment testing unit. | |||
Commercially available devices/tools: | |||
5.2 | Align headlamp adjuster with vehicle and set height according to center of lens | MODEL 170, 208, 210 | |
Precisely observe operating instructions for headlamp adjustment testing unit. | |||
Commercially available devices/tools: | |||
6 | Run engine and switch on low beam | ||
7.1 | Check headlamp range control for proper function | With standard headlamps. | |
Except vehicles with code 491 (USA version) | |||
Model 124 | |||
The light beams from both headlamps should adjust uniformly. Headlamp range adjustment nonfunctional: | |||
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Check pneumatic headlamp range adjustment | |||
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7.2 | Check headlamp range adjustment for proper operation through placement of additional weights in the luggage compartment | With xenon headlamps. | |
| Electric headlamp range adjustment (HRA) diagnosis, function check | Models 202, 208, 210 | |
Model 129, 140 | |||
8.1 | Set headlamp range adjustment switch to 0 | With standard headlamps. | |
8.2 | Remove additional weight | With xenon headlamps. | |
With xenon headlamps. | |||
9 | Check low beam and adjust if necessary |
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Model 129, 140, 202 with code 491 (USA version) up to approx. 03/96 | |||
| Modified lamp unit | Model 140 | |
| Location of fog lamps and high beams reversed in headlamp unit | Model 202Sedan | |
The common reflector unit on model 140 sedan as of approx. 03.94 and model 202 also adjusts low beam, remote and fog light. | |||
Vehicles with code 491 (USA version) model 210 and 208, 129, 140, 170, 202 as of approx. 04/96, model 210: | |||
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See owner's manual. | |||
10.1 | Check high beam adjustment | High beam adjustment | |
10.2 | Check high beam headlamp adjustment | High beam headlamp adjustment | |
Model 124.036 | |||
11 | Check fog light |