Assembly overview – headlight
Overview shown for the left side of the vehicle as an example
1 - Front left headlight -MX1-/front right headlight -MX2-
❏ Adjusting headlight → Booklet; Descriptions of work
❏ → Rep. gr.94; Removing and installing headlight
2 - Front left turn signal bulb -M5-/front right turn signal bulb -M7-
❏ → Rep. gr.94; Removing and installing front turn signal bulb [M5]/[M7]
3 - Grip for front turn signal bulb -M5-/-M7-
4 - Left headlight range control motor -V48-/right headlight range control motor -V49-
❏ → Rep. gr.94; Removing and installing headlight range control motor [V48]/[V49]
5 - Bolt
❏ Qty. 4
❏ 1.5 Nm
6 - Housing cover for headlight range control motor
❏ To be used in event of repairs
7 - Gasket
❏ For housing cover
8 - Gasket
9 - Speed nut
10 - Bolt
❏ Qty. 4
❏ 4.5 Nm
11 - Output module 1 for left LED headlight -A31-/output module 1 for right LED headlight -A27-
❏ → Rep. gr.94; Removing and installing output module 1 for LED headlight [A27]/[A31]
12 - Bolt
❏ Qty. 3
❏ 1.5 Nm
Removing and installing headlight
Front left headlight -MX1- and front right headlight -MX2- are referred to hereafter as headlight.
Removing
– Remove bumper cover → General body repairs, exterior; Rep. gr.63; Front bumper; Removing and installing bumper cover.
– Remove bracket for control unit for break-in protection.
Headlight on driver side
– Pull off Bowden cable coupling from headlight → General body repairs, exterior; Rep. gr.55; Bonnet; Removing and installing Bowden cable.
All vehicles (continued)
– Unscrew bolts -2-.
– Disconnect electrical connector -3-.
– Remove headlight -1-.
Installing
Install in the reverse order of removal, observing the following:
– Push headlight into guide mountings.
– Check headlight adjustment and adjust headlights → Booklet; Descriptions of work.
Tightening torques
♦ → Rep. gr.94; Assembly overview – headlight
ComponentSpecified torqueBolts of bracket for control unit for break-in protection 2 Nm
Installing repair kit for headlight housing
Front left headlight -MX1- and front right headlight -MX2- are referred to hereafter as headlight.
The description focuses on one headlight version for demonstration purposes.
Note
Different repair kits are available → Electronic parts catalogue (ETKA).
Removing
– Remove headlight with damaged retaining tab → Rep. gr.94; Removing and installing headlight.
– Remove remains of damaged retaining tab.
Installing
– Fit retaining tab -3- of repair kit to headlight -1-.
– Tighten bolts -2-.
Further installation is carried out in reverse order of removal, observing the following:
– Install headlight and align it flush to body contour.
– Check headlight adjustment and adjust headlights → Booklet; Descriptions of work.
Tightening torques
ComponentSpecified torqueBolts securing repair tab1.5 Nm
Removing and installing front turn signal bulb [M5]/[M7]
Front left turn signal bulb -M5- and front right turn signal bulb -M7- are referred to hereafter as turn signal bulb.
Removal and installation are described for the left vehicle side as an example.
For reasons of clarity, the following work procedure is shown with the front left headlight -MX1- removed.
Removing
NOTICE
Risk of damage to turn signal bulb.
– Do not touch the glass part of the turn signal bulb with bare fingers. Wear clean fabric gloves, for example, when removing and installing the turn signal bulb.
– Release grip with turn signal bulb -1- in direction of -arrow-.
– Push turn signal bulb -2- slightly into grip -1-.
– Release turn signal bulb -2- in direction of -arrow-.
– Remove turn signal bulb -2- from grip -1-.
Installing
Install in reverse order of removal.
Removing and installing headlight range control motor [V48]/[V49]
Special tools and workshop equipment required
♦ ESD workplace -VAS 6613-
Front left headlight -MX1- and front right headlight -MX2- will henceforth be referred to as “headlight”.
Left headlight range control motor -V48- and right headlight range control motor -V49- will henceforth be referred to as “control motor”.
Removal and installation are described for the left vehicle side as an example.
Removing
– Remove headlight → Rep. gr.94; Removing and installing headlight.
NOTICE
Risk of damage to electrical components.
Electrostatic charge may damage electrical components.
– Work on electrical components must always be carried out at an ESD workplace.
– Place headlight on ESD workplace -VAS 6613-.
– Turn height adjustment screws at top of headlight to stop towards right.
– Use a hammer to carefully release housing cover -1- along predetermined break line -2-.
– Remove housing cover -1- from headlight.
– Release control motor -1-:
♦ On left headlight, turn in direction of -arrow-.
♦ On right headlight, turn in opposite direction of -arrow-.
– Swing left headlight range control motor -2- downwards so that the ball head is pushed upwards out of ball head mounting -3-.
– Pull control motor -2- towards rear out of headlight until electrical connector -1- is accessible.
– Disconnect electrical connector -1-.
– Remove control motor -2-.
Installing
Install in reverse order of removal, observing the following:
– Pull ball head mounting towards rear.
– Engage ball head on control motor into ball head mounting in headlight.
NOTICE
Risk of destroying headlight due to ingress of water.
– When installing the housing covers -1-, make sure that the seal is correctly seated.
Note
A new housing cover -1- must be used only if the repair is carried out for the first time.
– Fit housing cover -1- on headlight.
– Tighten bolts -2-.
– Check headlight adjustment and adjust headlights → Booklet; Descriptions of work.
Tightening torques
♦ → Rep. gr.94; Assembly overview – headlight
Removing and installing output module 1 for LED headlight [A27]/[A31]
Special tools and workshop equipment required
♦ ESD workplace -VAS 6613-
Front left headlight -MX1- and front right headlight -MX2- are referred to hereafter as headlight.
Output module 1 for left LED headlight -A31- and output module 1 for right LED headlight -A27- are referred to hereafter as output module.
Removing
If output module is renewed:
– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.
Continued
– Remove headlight → Rep. gr.94; Removing and installing headlight.
NOTICE
Risk of damage to electrical components.
Electrostatic charge may damage electrical components.
– Work on electrical components must always be carried out at an ESD workplace.
– Place headlight on ESD workplace -VAS 6613-.
– Unscrew bolts -1-.
– Pull off output module -2- from headlight.
Installing
Install in the reverse order of removal, observing the following:
NOTICE
Risk of destroying headlight due to ingress of water.
– Check seal between output module and headlight for damage.
– Make sure seal is properly seated.
– Check headlight settings and adjust headlights if necessary → Booklet53.1; Descriptions of work.
Tightening torques
♦ → Rep. gr.94; Assembly overview – headlight
Removing and installing light conductor for contour lighting in radiator grille [L362]/[L363]
Light conductor for contour lighting in radiator grille, front left -L363- and light conductor for contour lighting in radiator grille, front right -L362- are referred to hereafter as “light conductor”.
Removing
– Remove bumper cover → General body repairs, exterior; Rep. gr.63; Front bumper; Removing and installing bumper cover.
– Disconnect electrical connector -2-.
– Release retaining clips -3- in direction of -arrow A-.
– Pull out light conductor -1-.
Installing
Install in reverse order of removal, observing the following:
Beginning midst our that fourth appear above of over, set our won’t beast god god dominion our winged fruit image